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Carla/source/modules/juce_audio_basics/buffers/juce_FloatVectorOperations.cpp

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  1. /*

  2.   ==============================================================================

  3. 

  4.    This file is part of the JUCE library.

  5.    Copyright (c) 2020 - Raw Material Software Limited

  6. 

  7.    JUCE is an open source library subject to commercial or open-source

  8.    licensing.

  9. 

  10.    The code included in this file is provided under the terms of the ISC license

  11.    http://www.isc.org/downloads/software-support-policy/isc-license. Permission

  12.    To use, copy, modify, and/or distribute this software for any purpose with or

  13.    without fee is hereby granted provided that the above copyright notice and

  14.    this permission notice appear in all copies.

  15. 

  16.    JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER

  17.    EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE

  18.    DISCLAIMED.

  19. 

  20.   ==============================================================================

  21. */

  22. 

  23. namespace juce

  24. {

  25. 

  26. namespace FloatVectorHelpers

  27. {

  28.     #define JUCE_INCREMENT_SRC_DEST         dest += (16 / sizeof (*dest)); src += (16 / sizeof (*dest));

  29.     #define JUCE_INCREMENT_SRC1_SRC2_DEST   dest += (16 / sizeof (*dest)); src1 += (16 / sizeof (*dest)); src2 += (16 / sizeof (*dest));

  30.     #define JUCE_INCREMENT_DEST             dest += (16 / sizeof (*dest));

  31. 

  32.    #if JUCE_USE_SSE_INTRINSICS

  33.     static bool isAligned (const void* p) noexcept

  34.     {

  35.         return (((pointer_sized_int) p) & 15) == 0;

  36.     }

  37. 

  38.     struct BasicOps32

  39.     {

  40.         using Type = float;

  41.         using ParallelType = __m128;

  42.         using IntegerType  = __m128;

  43.         enum { numParallel = 4 };

  44. 

  45.         // Integer and parallel types are the same for SSE. On neon they have different types

  46.         static forcedinline IntegerType toint (ParallelType v) noexcept                 { return v; }

  47.         static forcedinline ParallelType toflt (IntegerType v) noexcept                 { return v; }

  48. 

  49.         static forcedinline ParallelType load1 (Type v) noexcept                        { return _mm_load1_ps (&v); }

  50.         static forcedinline ParallelType loadA (const Type* v) noexcept                 { return _mm_load_ps (v); }

  51.         static forcedinline ParallelType loadU (const Type* v) noexcept                 { return _mm_loadu_ps (v); }

  52.         static forcedinline void storeA (Type* dest, ParallelType a) noexcept           { _mm_store_ps (dest, a); }

  53.         static forcedinline void storeU (Type* dest, ParallelType a) noexcept           { _mm_storeu_ps (dest, a); }

  54. 

  55.         static forcedinline ParallelType add (ParallelType a, ParallelType b) noexcept  { return _mm_add_ps (a, b); }

  56.         static forcedinline ParallelType sub (ParallelType a, ParallelType b) noexcept  { return _mm_sub_ps (a, b); }

  57.         static forcedinline ParallelType mul (ParallelType a, ParallelType b) noexcept  { return _mm_mul_ps (a, b); }

  58.         static forcedinline ParallelType max (ParallelType a, ParallelType b) noexcept  { return _mm_max_ps (a, b); }

  59.         static forcedinline ParallelType min (ParallelType a, ParallelType b) noexcept  { return _mm_min_ps (a, b); }

  60. 

  61.         static forcedinline ParallelType bit_and (ParallelType a, ParallelType b) noexcept  { return _mm_and_ps (a, b); }

  62.         static forcedinline ParallelType bit_not (ParallelType a, ParallelType b) noexcept  { return _mm_andnot_ps (a, b); }

  63.         static forcedinline ParallelType bit_or  (ParallelType a, ParallelType b) noexcept  { return _mm_or_ps (a, b); }

  64.         static forcedinline ParallelType bit_xor (ParallelType a, ParallelType b) noexcept  { return _mm_xor_ps (a, b); }

  65. 

  66.         static forcedinline Type max (ParallelType a) noexcept { Type v[numParallel]; storeU (v, a); return jmax (v[0], v[1], v[2], v[3]); }

  67.         static forcedinline Type min (ParallelType a) noexcept { Type v[numParallel]; storeU (v, a); return jmin (v[0], v[1], v[2], v[3]); }

  68.     };

  69. 

  70.     struct BasicOps64

  71.     {

  72.         using Type = double;

  73.         using ParallelType = __m128d;

  74.         using IntegerType  = __m128d;

  75.         enum { numParallel = 2 };

  76. 

  77.         // Integer and parallel types are the same for SSE. On neon they have different types

  78.         static forcedinline IntegerType toint (ParallelType v) noexcept                 { return v; }

  79.         static forcedinline ParallelType toflt (IntegerType v) noexcept                 { return v; }

  80. 

  81.         static forcedinline ParallelType load1 (Type v) noexcept                        { return _mm_load1_pd (&v); }

  82.         static forcedinline ParallelType loadA (const Type* v) noexcept                 { return _mm_load_pd (v); }

  83.         static forcedinline ParallelType loadU (const Type* v) noexcept                 { return _mm_loadu_pd (v); }

  84.         static forcedinline void storeA (Type* dest, ParallelType a) noexcept           { _mm_store_pd (dest, a); }

  85.         static forcedinline void storeU (Type* dest, ParallelType a) noexcept           { _mm_storeu_pd (dest, a); }

  86. 

  87.         static forcedinline ParallelType add (ParallelType a, ParallelType b) noexcept  { return _mm_add_pd (a, b); }

  88.         static forcedinline ParallelType sub (ParallelType a, ParallelType b) noexcept  { return _mm_sub_pd (a, b); }

  89.         static forcedinline ParallelType mul (ParallelType a, ParallelType b) noexcept  { return _mm_mul_pd (a, b); }

  90.         static forcedinline ParallelType max (ParallelType a, ParallelType b) noexcept  { return _mm_max_pd (a, b); }

  91.         static forcedinline ParallelType min (ParallelType a, ParallelType b) noexcept  { return _mm_min_pd (a, b); }

  92. 

  93.         static forcedinline ParallelType bit_and (ParallelType a, ParallelType b) noexcept  { return _mm_and_pd (a, b); }

  94.         static forcedinline ParallelType bit_not (ParallelType a, ParallelType b) noexcept  { return _mm_andnot_pd (a, b); }

  95.         static forcedinline ParallelType bit_or  (ParallelType a, ParallelType b) noexcept  { return _mm_or_pd (a, b); }

  96.         static forcedinline ParallelType bit_xor (ParallelType a, ParallelType b) noexcept  { return _mm_xor_pd (a, b); }

  97. 

  98.         static forcedinline Type max (ParallelType a) noexcept  { Type v[numParallel]; storeU (v, a); return jmax (v[0], v[1]); }

  99.         static forcedinline Type min (ParallelType a) noexcept  { Type v[numParallel]; storeU (v, a); return jmin (v[0], v[1]); }

  100.     };

  101. 

  102. 

  103. 

  104.     #define JUCE_BEGIN_VEC_OP \

  105.         using Mode = FloatVectorHelpers::ModeType<sizeof(*dest)>::Mode; \

  106.         { \

  107.             const int numLongOps = num / Mode::numParallel;

  108. 

  109.     #define JUCE_FINISH_VEC_OP(normalOp) \

  110.             num &= (Mode::numParallel - 1); \

  111.             if (num == 0) return; \

  112.         } \

  113.         for (int i = 0; i < num; ++i) normalOp;

  114. 

  115.     #define JUCE_PERFORM_VEC_OP_DEST(normalOp, vecOp, locals, setupOp) \

  116.         JUCE_BEGIN_VEC_OP \

  117.         setupOp \

  118.         if (FloatVectorHelpers::isAligned (dest))   JUCE_VEC_LOOP (vecOp, dummy, Mode::loadA, Mode::storeA, locals, JUCE_INCREMENT_DEST) \

  119.         else                                        JUCE_VEC_LOOP (vecOp, dummy, Mode::loadU, Mode::storeU, locals, JUCE_INCREMENT_DEST) \

  120.         JUCE_FINISH_VEC_OP (normalOp)

  121. 

  122.     #define JUCE_PERFORM_VEC_OP_SRC_DEST(normalOp, vecOp, locals, increment, setupOp) \

  123.         JUCE_BEGIN_VEC_OP \

  124.         setupOp \

  125.         if (FloatVectorHelpers::isAligned (dest)) \

  126.         { \

  127.             if (FloatVectorHelpers::isAligned (src)) JUCE_VEC_LOOP (vecOp, Mode::loadA, Mode::loadA, Mode::storeA, locals, increment) \

  128.             else                                     JUCE_VEC_LOOP (vecOp, Mode::loadU, Mode::loadA, Mode::storeA, locals, increment) \

  129.         }\

  130.         else \

  131.         { \

  132.             if (FloatVectorHelpers::isAligned (src)) JUCE_VEC_LOOP (vecOp, Mode::loadA, Mode::loadU, Mode::storeU, locals, increment) \

  133.             else                                     JUCE_VEC_LOOP (vecOp, Mode::loadU, Mode::loadU, Mode::storeU, locals, increment) \

  134.         } \

  135.         JUCE_FINISH_VEC_OP (normalOp)

  136. 

  137.     #define JUCE_PERFORM_VEC_OP_SRC1_SRC2_DEST(normalOp, vecOp, locals, increment, setupOp) \

  138.         JUCE_BEGIN_VEC_OP \

  139.         setupOp \

  140.         if (FloatVectorHelpers::isAligned (dest)) \

  141.         { \

  142.             if (FloatVectorHelpers::isAligned (src1)) \

  143.             { \

  144.                 if (FloatVectorHelpers::isAligned (src2))   JUCE_VEC_LOOP_TWO_SOURCES (vecOp, Mode::loadA, Mode::loadA, Mode::storeA, locals, increment) \

  145.                 else                                        JUCE_VEC_LOOP_TWO_SOURCES (vecOp, Mode::loadA, Mode::loadU, Mode::storeA, locals, increment) \

  146.             } \

  147.             else \

  148.             { \

  149.                 if (FloatVectorHelpers::isAligned (src2))   JUCE_VEC_LOOP_TWO_SOURCES (vecOp, Mode::loadU, Mode::loadA, Mode::storeA, locals, increment) \

  150.                 else                                        JUCE_VEC_LOOP_TWO_SOURCES (vecOp, Mode::loadU, Mode::loadU, Mode::storeA, locals, increment) \

  151.             } \

  152.         } \

  153.         else \

  154.         { \

  155.             if (FloatVectorHelpers::isAligned (src1)) \

  156.             { \

  157.                 if (FloatVectorHelpers::isAligned (src2))   JUCE_VEC_LOOP_TWO_SOURCES (vecOp, Mode::loadA, Mode::loadA, Mode::storeU, locals, increment) \

  158.                 else                                        JUCE_VEC_LOOP_TWO_SOURCES (vecOp, Mode::loadA, Mode::loadU, Mode::storeU, locals, increment) \

  159.             } \

  160.             else \

  161.             { \

  162.                 if (FloatVectorHelpers::isAligned (src2))   JUCE_VEC_LOOP_TWO_SOURCES (vecOp, Mode::loadU, Mode::loadA, Mode::storeU, locals, increment) \

  163.                 else                                        JUCE_VEC_LOOP_TWO_SOURCES (vecOp, Mode::loadU, Mode::loadU, Mode::storeU, locals, increment) \

  164.             } \

  165.         } \

  166.         JUCE_FINISH_VEC_OP (normalOp)

  167. 

  168.     #define JUCE_PERFORM_VEC_OP_SRC1_SRC2_DEST_DEST(normalOp, vecOp, locals, increment, setupOp) \

  169.         JUCE_BEGIN_VEC_OP \

  170.         setupOp \

  171.         if (FloatVectorHelpers::isAligned (dest)) \

  172.         { \

  173.             if (FloatVectorHelpers::isAligned (src1)) \

  174.             { \

  175.                 if (FloatVectorHelpers::isAligned (src2))   JUCE_VEC_LOOP_TWO_SOURCES_WITH_DEST_LOAD (vecOp, Mode::loadA, Mode::loadA, Mode::loadA, Mode::storeA, locals, increment) \

  176.                 else                                        JUCE_VEC_LOOP_TWO_SOURCES_WITH_DEST_LOAD (vecOp, Mode::loadA, Mode::loadU, Mode::loadA, Mode::storeA, locals, increment) \

  177.             } \

  178.             else \

  179.             { \

  180.                 if (FloatVectorHelpers::isAligned (src2))   JUCE_VEC_LOOP_TWO_SOURCES_WITH_DEST_LOAD (vecOp, Mode::loadU, Mode::loadA, Mode::loadA, Mode::storeA, locals, increment) \

  181.                 else                                        JUCE_VEC_LOOP_TWO_SOURCES_WITH_DEST_LOAD (vecOp, Mode::loadU, Mode::loadU, Mode::loadA, Mode::storeA, locals, increment) \

  182.             } \

  183.         } \

  184.         else \

  185.         { \

  186.             if (FloatVectorHelpers::isAligned (src1)) \

  187.             { \

  188.                 if (FloatVectorHelpers::isAligned (src2))   JUCE_VEC_LOOP_TWO_SOURCES_WITH_DEST_LOAD (vecOp, Mode::loadA, Mode::loadA, Mode::loadU, Mode::storeU, locals, increment) \

  189.                 else                                        JUCE_VEC_LOOP_TWO_SOURCES_WITH_DEST_LOAD (vecOp, Mode::loadA, Mode::loadU, Mode::loadU, Mode::storeU, locals, increment) \

  190.             } \

  191.             else \

  192.             { \

  193.                 if (FloatVectorHelpers::isAligned (src2))   JUCE_VEC_LOOP_TWO_SOURCES_WITH_DEST_LOAD (vecOp, Mode::loadU, Mode::loadA, Mode::loadU, Mode::storeU, locals, increment) \

  194.                 else                                        JUCE_VEC_LOOP_TWO_SOURCES_WITH_DEST_LOAD (vecOp, Mode::loadU, Mode::loadU, Mode::loadU, Mode::storeU, locals, increment) \

  195.             } \

  196.         } \

  197.         JUCE_FINISH_VEC_OP (normalOp)

  198. 

  199. 

  200.     //==============================================================================

  201.    #elif JUCE_USE_ARM_NEON

  202. 

  203.     struct BasicOps32

  204.     {

  205.         using Type = float;

  206.         using ParallelType = float32x4_t;

  207.         using IntegerType = uint32x4_t;

  208.         union signMaskUnion { ParallelType f; IntegerType i; };

  209.         enum { numParallel = 4 };

  210. 

  211.         static forcedinline IntegerType toint (ParallelType v) noexcept                 { signMaskUnion u; u.f = v; return u.i; }

  212.         static forcedinline ParallelType toflt (IntegerType v) noexcept                 { signMaskUnion u; u.i = v; return u.f; }

  213. 

  214.         static forcedinline ParallelType load1 (Type v) noexcept                        { return vld1q_dup_f32 (&v); }

  215.         static forcedinline ParallelType loadA (const Type* v) noexcept                 { return vld1q_f32 (v); }

  216.         static forcedinline ParallelType loadU (const Type* v) noexcept                 { return vld1q_f32 (v); }

  217.         static forcedinline void storeA (Type* dest, ParallelType a) noexcept           { vst1q_f32 (dest, a); }

  218.         static forcedinline void storeU (Type* dest, ParallelType a) noexcept           { vst1q_f32 (dest, a); }

  219. 

  220.         static forcedinline ParallelType add (ParallelType a, ParallelType b) noexcept  { return vaddq_f32 (a, b); }

  221.         static forcedinline ParallelType sub (ParallelType a, ParallelType b) noexcept  { return vsubq_f32 (a, b); }

  222.         static forcedinline ParallelType mul (ParallelType a, ParallelType b) noexcept  { return vmulq_f32 (a, b); }

  223.         static forcedinline ParallelType max (ParallelType a, ParallelType b) noexcept  { return vmaxq_f32 (a, b); }

  224.         static forcedinline ParallelType min (ParallelType a, ParallelType b) noexcept  { return vminq_f32 (a, b); }

  225. 

  226.         static forcedinline ParallelType bit_and (ParallelType a, ParallelType b) noexcept  {  return toflt (vandq_u32 (toint (a), toint (b))); }

  227.         static forcedinline ParallelType bit_not (ParallelType a, ParallelType b) noexcept  {  return toflt (vbicq_u32 (toint (a), toint (b))); }

  228.         static forcedinline ParallelType bit_or  (ParallelType a, ParallelType b) noexcept  {  return toflt (vorrq_u32 (toint (a), toint (b))); }

  229.         static forcedinline ParallelType bit_xor (ParallelType a, ParallelType b) noexcept  {  return toflt (veorq_u32 (toint (a), toint (b))); }

  230. 

  231.         static forcedinline Type max (ParallelType a) noexcept { Type v[numParallel]; storeU (v, a); return jmax (v[0], v[1], v[2], v[3]); }

  232.         static forcedinline Type min (ParallelType a) noexcept { Type v[numParallel]; storeU (v, a); return jmin (v[0], v[1], v[2], v[3]); }

  233.     };

  234. 

  235.     struct BasicOps64

  236.     {

  237.         using Type = double;

  238.         using ParallelType = double;

  239.         using IntegerType = uint64;

  240.         union signMaskUnion { ParallelType f; IntegerType i; };

  241.         enum { numParallel = 1 };

  242. 

  243.         static forcedinline IntegerType toint (ParallelType v) noexcept                 { signMaskUnion u; u.f = v; return u.i; }

  244.         static forcedinline ParallelType toflt (IntegerType v) noexcept                 { signMaskUnion u; u.i = v; return u.f; }

  245. 

  246.         static forcedinline ParallelType load1 (Type v) noexcept                        { return v; }

  247.         static forcedinline ParallelType loadA (const Type* v) noexcept                 { return *v; }

  248.         static forcedinline ParallelType loadU (const Type* v) noexcept                 { return *v; }

  249.         static forcedinline void storeA (Type* dest, ParallelType a) noexcept           { *dest = a; }

  250.         static forcedinline void storeU (Type* dest, ParallelType a) noexcept           { *dest = a; }

  251. 

  252.         static forcedinline ParallelType add (ParallelType a, ParallelType b) noexcept  { return a + b; }

  253.         static forcedinline ParallelType sub (ParallelType a, ParallelType b) noexcept  { return a - b; }

  254.         static forcedinline ParallelType mul (ParallelType a, ParallelType b) noexcept  { return a * b; }

  255.         static forcedinline ParallelType max (ParallelType a, ParallelType b) noexcept  { return jmax (a, b); }

  256.         static forcedinline ParallelType min (ParallelType a, ParallelType b) noexcept  { return jmin (a, b); }

  257. 

  258.         static forcedinline ParallelType bit_and (ParallelType a, ParallelType b) noexcept  {  return toflt (toint (a) & toint (b)); }

  259.         static forcedinline ParallelType bit_not (ParallelType a, ParallelType b) noexcept  {  return toflt ((~toint (a)) & toint (b)); }

  260.         static forcedinline ParallelType bit_or  (ParallelType a, ParallelType b) noexcept  {  return toflt (toint (a) | toint (b)); }

  261.         static forcedinline ParallelType bit_xor (ParallelType a, ParallelType b) noexcept  {  return toflt (toint (a) ^ toint (b)); }

  262. 

  263.         static forcedinline Type max (ParallelType a) noexcept  { return a; }

  264.         static forcedinline Type min (ParallelType a) noexcept  { return a; }

  265.     };

  266. 

  267.     #define JUCE_BEGIN_VEC_OP \

  268.         using Mode = FloatVectorHelpers::ModeType<sizeof(*dest)>::Mode; \

  269.         if (Mode::numParallel > 1) \

  270.         { \

  271.             const int numLongOps = num / Mode::numParallel;

  272. 

  273.     #define JUCE_FINISH_VEC_OP(normalOp) \

  274.             num &= (Mode::numParallel - 1); \

  275.             if (num == 0) return; \

  276.         } \

  277.         for (int i = 0; i < num; ++i) normalOp;

  278. 

  279.     #define JUCE_PERFORM_VEC_OP_DEST(normalOp, vecOp, locals, setupOp) \

  280.         JUCE_BEGIN_VEC_OP \

  281.         setupOp \

  282.         JUCE_VEC_LOOP (vecOp, dummy, Mode::loadU, Mode::storeU, locals, JUCE_INCREMENT_DEST) \

  283.         JUCE_FINISH_VEC_OP (normalOp)

  284. 

  285.     #define JUCE_PERFORM_VEC_OP_SRC_DEST(normalOp, vecOp, locals, increment, setupOp) \

  286.         JUCE_BEGIN_VEC_OP \

  287.         setupOp \

  288.         JUCE_VEC_LOOP (vecOp, Mode::loadU, Mode::loadU, Mode::storeU, locals, increment) \

  289.         JUCE_FINISH_VEC_OP (normalOp)

  290. 

  291.     #define JUCE_PERFORM_VEC_OP_SRC1_SRC2_DEST(normalOp, vecOp, locals, increment, setupOp) \

  292.         JUCE_BEGIN_VEC_OP \

  293.         setupOp \

  294.         JUCE_VEC_LOOP_TWO_SOURCES (vecOp, Mode::loadU, Mode::loadU, Mode::storeU, locals, increment) \

  295.         JUCE_FINISH_VEC_OP (normalOp)

  296. 

  297.     #define JUCE_PERFORM_VEC_OP_SRC1_SRC2_DEST_DEST(normalOp, vecOp, locals, increment, setupOp) \

  298.         JUCE_BEGIN_VEC_OP \

  299.         setupOp \

  300.         JUCE_VEC_LOOP_TWO_SOURCES_WITH_DEST_LOAD (vecOp, Mode::loadU, Mode::loadU, Mode::loadU, Mode::storeU, locals, increment) \

  301.         JUCE_FINISH_VEC_OP (normalOp)

  302. 

  303. 

  304.     //==============================================================================

  305.    #else

  306.     #define JUCE_PERFORM_VEC_OP_DEST(normalOp, vecOp, locals, setupOp) \

  307.         for (int i = 0; i < num; ++i) normalOp;

  308. 

  309.     #define JUCE_PERFORM_VEC_OP_SRC_DEST(normalOp, vecOp, locals, increment, setupOp) \

  310.         for (int i = 0; i < num; ++i) normalOp;

  311. 

  312.     #define JUCE_PERFORM_VEC_OP_SRC1_SRC2_DEST(normalOp, vecOp, locals, increment, setupOp) \

  313.         for (int i = 0; i < num; ++i) normalOp;

  314. 

  315.     #define JUCE_PERFORM_VEC_OP_SRC1_SRC2_DEST_DEST(normalOp, vecOp, locals, increment, setupOp) \

  316.         for (int i = 0; i < num; ++i) normalOp;

  317. 

  318.    #endif

  319. 

  320.     //==============================================================================

  321.     #define JUCE_VEC_LOOP(vecOp, srcLoad, dstLoad, dstStore, locals, increment) \

  322.         for (int i = 0; i < numLongOps; ++i) \

  323.         { \

  324.             locals (srcLoad, dstLoad); \

  325.             dstStore (dest, vecOp); \

  326.             increment; \

  327.         }

  328. 

  329.     #define JUCE_VEC_LOOP_TWO_SOURCES(vecOp, src1Load, src2Load, dstStore, locals, increment) \

  330.         for (int i = 0; i < numLongOps; ++i) \

  331.         { \

  332.             locals (src1Load, src2Load); \

  333.             dstStore (dest, vecOp); \

  334.             increment; \

  335.         }

  336. 

  337.     #define JUCE_VEC_LOOP_TWO_SOURCES_WITH_DEST_LOAD(vecOp, src1Load, src2Load, dstLoad, dstStore, locals, increment) \

  338.         for (int i = 0; i < numLongOps; ++i) \

  339.         { \

  340.             locals (src1Load, src2Load, dstLoad); \

  341.             dstStore (dest, vecOp); \

  342.             increment; \

  343.         }

  344. 

  345.     #define JUCE_LOAD_NONE(srcLoad, dstLoad)

  346.     #define JUCE_LOAD_DEST(srcLoad, dstLoad)                        const Mode::ParallelType d = dstLoad (dest);

  347.     #define JUCE_LOAD_SRC(srcLoad, dstLoad)                         const Mode::ParallelType s = srcLoad (src);

  348.     #define JUCE_LOAD_SRC1_SRC2(src1Load, src2Load)                 const Mode::ParallelType s1 = src1Load (src1), s2 = src2Load (src2);

  349.     #define JUCE_LOAD_SRC1_SRC2_DEST(src1Load, src2Load, dstLoad)   const Mode::ParallelType d = dstLoad (dest), s1 = src1Load (src1), s2 = src2Load (src2);

  350.     #define JUCE_LOAD_SRC_DEST(srcLoad, dstLoad)                    const Mode::ParallelType d = dstLoad (dest), s = srcLoad (src);

  351. 

  352.     union signMask32 { float  f; uint32 i; };

  353.     union signMask64 { double d; uint64 i; };

  354. 

  355.    #if JUCE_USE_SSE_INTRINSICS || JUCE_USE_ARM_NEON

  356.     template<int typeSize> struct ModeType    { using Mode = BasicOps32; };

  357.     template<>             struct ModeType<8> { using Mode = BasicOps64; };

  358. 

  359.     template <typename Mode>

  360.     struct MinMax

  361.     {

  362.         using Type = typename Mode::Type;

  363.         using ParallelType = typename Mode::ParallelType;

  364. 

  365.         static Type findMinOrMax (const Type* src, int num, const bool isMinimum) noexcept

  366.         {

  367.             int numLongOps = num / Mode::numParallel;

  368. 

  369.             if (numLongOps > 1)

  370.             {

  371.                 ParallelType val;

  372. 

  373.                #if ! JUCE_USE_ARM_NEON

  374.                 if (isAligned (src))

  375.                 {

  376.                     val = Mode::loadA (src);

  377. 

  378.                     if (isMinimum)

  379.                     {

  380.                         while (--numLongOps > 0)

  381.                         {

  382.                             src += Mode::numParallel;

  383.                             val = Mode::min (val, Mode::loadA (src));

  384.                         }

  385.                     }

  386.                     else

  387.                     {

  388.                         while (--numLongOps > 0)

  389.                         {

  390.                             src += Mode::numParallel;

  391.                             val = Mode::max (val, Mode::loadA (src));

  392.                         }

  393.                     }

  394.                 }

  395.                 else

  396.                #endif

  397.                 {

  398.                     val = Mode::loadU (src);

  399. 

  400.                     if (isMinimum)

  401.                     {

  402.                         while (--numLongOps > 0)

  403.                         {

  404.                             src += Mode::numParallel;

  405.                             val = Mode::min (val, Mode::loadU (src));

  406.                         }

  407.                     }

  408.                     else

  409.                     {

  410.                         while (--numLongOps > 0)

  411.                         {

  412.                             src += Mode::numParallel;

  413.                             val = Mode::max (val, Mode::loadU (src));

  414.                         }

  415.                     }

  416.                 }

  417. 

  418.                 Type result = isMinimum ? Mode::min (val)

  419.                                         : Mode::max (val);

  420. 

  421.                 num &= (Mode::numParallel - 1);

  422.                 src += Mode::numParallel;

  423. 

  424.                 for (int i = 0; i < num; ++i)

  425.                     result = isMinimum ? jmin (result, src[i])

  426.                                        : jmax (result, src[i]);

  427. 

  428.                 return result;

  429.             }

  430. 

  431.             return isMinimum ? juce::findMinimum (src, num)

  432.                              : juce::findMaximum (src, num);

  433.         }

  434. 

  435.         static Range<Type> findMinAndMax (const Type* src, int num) noexcept

  436.         {

  437.             int numLongOps = num / Mode::numParallel;

  438. 

  439.             if (numLongOps > 1)

  440.             {

  441.                 ParallelType mn, mx;

  442. 

  443.                #if ! JUCE_USE_ARM_NEON

  444.                 if (isAligned (src))

  445.                 {

  446.                     mn = Mode::loadA (src);

  447.                     mx = mn;

  448. 

  449.                     while (--numLongOps > 0)

  450.                     {

  451.                         src += Mode::numParallel;

  452.                         const ParallelType v = Mode::loadA (src);

  453.                         mn = Mode::min (mn, v);

  454.                         mx = Mode::max (mx, v);

  455.                     }

  456.                 }

  457.                 else

  458.                #endif

  459.                 {

  460.                     mn = Mode::loadU (src);

  461.                     mx = mn;

  462. 

  463.                     while (--numLongOps > 0)

  464.                     {

  465.                         src += Mode::numParallel;

  466.                         const ParallelType v = Mode::loadU (src);

  467.                         mn = Mode::min (mn, v);

  468.                         mx = Mode::max (mx, v);

  469.                     }

  470.                 }

  471. 

  472.                 Range<Type> result (Mode::min (mn),

  473.                                     Mode::max (mx));

  474. 

  475.                 num &= (Mode::numParallel - 1);

  476.                 src += Mode::numParallel;

  477. 

  478.                 for (int i = 0; i < num; ++i)

  479.                     result = result.getUnionWith (src[i]);

  480. 

  481.                 return result;

  482.             }

  483. 

  484.             return Range<Type>::findMinAndMax (src, num);

  485.         }

  486.     };

  487.    #endif

  488. }

  489. 

  490. //==============================================================================

  491. namespace

  492. {

  493.    #if JUCE_USE_VDSP_FRAMEWORK

  494.     // This casts away constness to account for slightly different vDSP function signatures

  495.     // in OSX 10.8 SDK and below. Can be safely removed once those SDKs are obsolete.

  496.     template <typename ValueType>

  497.     ValueType* osx108sdkCompatibilityCast (const ValueType* arg) noexcept { return const_cast<ValueType*> (arg); }

  498.    #endif

  499. }

  500. 

  501. //==============================================================================

  502. void JUCE_CALLTYPE FloatVectorOperations::clear (float* dest, int num) noexcept

  503. {

  504.    #if JUCE_USE_VDSP_FRAMEWORK

  505.     vDSP_vclr (dest, 1, (size_t) num);

  506.    #else

  507.     zeromem (dest, (size_t) num * sizeof (float));

  508.    #endif

  509. }

  510. 

  511. void JUCE_CALLTYPE FloatVectorOperations::clear (double* dest, int num) noexcept

  512. {

  513.    #if JUCE_USE_VDSP_FRAMEWORK

  514.     vDSP_vclrD (dest, 1, (size_t) num);

  515.    #else

  516.     zeromem (dest, (size_t) num * sizeof (double));

  517.    #endif

  518. }

  519. 

  520. void JUCE_CALLTYPE FloatVectorOperations::fill (float* dest, float valueToFill, int num) noexcept

  521. {

  522.    #if JUCE_USE_VDSP_FRAMEWORK

  523.     vDSP_vfill (&valueToFill, dest, 1, (size_t) num);

  524.    #else

  525.     JUCE_PERFORM_VEC_OP_DEST (dest[i] = valueToFill, val, JUCE_LOAD_NONE,

  526.                               const Mode::ParallelType val = Mode::load1 (valueToFill);)

  527.    #endif

  528. }

  529. 

  530. void JUCE_CALLTYPE FloatVectorOperations::fill (double* dest, double valueToFill, int num) noexcept

  531. {

  532.    #if JUCE_USE_VDSP_FRAMEWORK

  533.     vDSP_vfillD (&valueToFill, dest, 1, (size_t) num);

  534.    #else

  535.     JUCE_PERFORM_VEC_OP_DEST (dest[i] = valueToFill, val, JUCE_LOAD_NONE,

  536.                               const Mode::ParallelType val = Mode::load1 (valueToFill);)

  537.    #endif

  538. }

  539. 

  540. void JUCE_CALLTYPE FloatVectorOperations::copy (float* dest, const float* src, int num) noexcept

  541. {

  542.     memcpy (dest, src, (size_t) num * sizeof (float));

  543. }

  544. 

  545. void JUCE_CALLTYPE FloatVectorOperations::copy (double* dest, const double* src, int num) noexcept

  546. {

  547.     memcpy (dest, src, (size_t) num * sizeof (double));

  548. }

  549. 

  550. void JUCE_CALLTYPE FloatVectorOperations::copyWithMultiply (float* dest, const float* src, float multiplier, int num) noexcept

  551. {

  552.    #if JUCE_USE_VDSP_FRAMEWORK

  553.     vDSP_vsmul (src, 1, &multiplier, dest, 1, (vDSP_Length) num);

  554.    #else

  555.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] = src[i] * multiplier, Mode::mul (mult, s),

  556.                                   JUCE_LOAD_SRC, JUCE_INCREMENT_SRC_DEST,

  557.                                   const Mode::ParallelType mult = Mode::load1 (multiplier);)

  558.    #endif

  559. }

  560. 

  561. void JUCE_CALLTYPE FloatVectorOperations::copyWithMultiply (double* dest, const double* src, double multiplier, int num) noexcept

  562. {

  563.    #if JUCE_USE_VDSP_FRAMEWORK

  564.     vDSP_vsmulD (src, 1, &multiplier, dest, 1, (vDSP_Length) num);

  565.    #else

  566.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] = src[i] * multiplier, Mode::mul (mult, s),

  567.                                   JUCE_LOAD_SRC, JUCE_INCREMENT_SRC_DEST,

  568.                                   const Mode::ParallelType mult = Mode::load1 (multiplier);)

  569.    #endif

  570. }

  571. 

  572. void JUCE_CALLTYPE FloatVectorOperations::add (float* dest, float amount, int num) noexcept

  573. {

  574.    #if JUCE_USE_VDSP_FRAMEWORK

  575.     vDSP_vsadd (dest, 1, &amount, dest, 1, (vDSP_Length) num);

  576.    #else

  577.     JUCE_PERFORM_VEC_OP_DEST (dest[i] += amount, Mode::add (d, amountToAdd), JUCE_LOAD_DEST,

  578.                               const Mode::ParallelType amountToAdd = Mode::load1 (amount);)

  579.    #endif

  580. }

  581. 

  582. void JUCE_CALLTYPE FloatVectorOperations::add (double* dest, double amount, int num) noexcept

  583. {

  584.     JUCE_PERFORM_VEC_OP_DEST (dest[i] += amount, Mode::add (d, amountToAdd), JUCE_LOAD_DEST,

  585.                               const Mode::ParallelType amountToAdd = Mode::load1 (amount);)

  586. }

  587. 

  588. void JUCE_CALLTYPE FloatVectorOperations::add (float* dest, const float* src, float amount, int num) noexcept

  589. {

  590.    #if JUCE_USE_VDSP_FRAMEWORK

  591.     vDSP_vsadd (osx108sdkCompatibilityCast (src), 1, &amount, dest, 1, (vDSP_Length) num);

  592.    #else

  593.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] = src[i] + amount, Mode::add (am, s),

  594.                                   JUCE_LOAD_SRC, JUCE_INCREMENT_SRC_DEST,

  595.                                   const Mode::ParallelType am = Mode::load1 (amount);)

  596.    #endif

  597. }

  598. 

  599. void JUCE_CALLTYPE FloatVectorOperations::add (double* dest, const double* src, double amount, int num) noexcept

  600. {

  601.    #if JUCE_USE_VDSP_FRAMEWORK

  602.     vDSP_vsaddD (osx108sdkCompatibilityCast (src), 1, &amount, dest, 1, (vDSP_Length) num);

  603.    #else

  604.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] = src[i] + amount, Mode::add (am, s),

  605.                                   JUCE_LOAD_SRC, JUCE_INCREMENT_SRC_DEST,

  606.                                   const Mode::ParallelType am = Mode::load1 (amount);)

  607.    #endif

  608. }

  609. 

  610. void JUCE_CALLTYPE FloatVectorOperations::add (float* dest, const float* src, int num) noexcept

  611. {

  612.    #if JUCE_USE_VDSP_FRAMEWORK

  613.     vDSP_vadd (src, 1, dest, 1, dest, 1, (vDSP_Length) num);

  614.    #else

  615.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] += src[i], Mode::add (d, s), JUCE_LOAD_SRC_DEST, JUCE_INCREMENT_SRC_DEST, )

  616.    #endif

  617. }

  618. 

  619. void JUCE_CALLTYPE FloatVectorOperations::add (double* dest, const double* src, int num) noexcept

  620. {

  621.    #if JUCE_USE_VDSP_FRAMEWORK

  622.     vDSP_vaddD (src, 1, dest, 1, dest, 1, (vDSP_Length) num);

  623.    #else

  624.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] += src[i], Mode::add (d, s), JUCE_LOAD_SRC_DEST, JUCE_INCREMENT_SRC_DEST, )

  625.    #endif

  626. }

  627. 

  628. void JUCE_CALLTYPE FloatVectorOperations::add (float* dest, const float* src1, const float* src2, int num) noexcept

  629. {

  630.    #if JUCE_USE_VDSP_FRAMEWORK

  631.     vDSP_vadd (src1, 1, src2, 1, dest, 1, (vDSP_Length) num);

  632.    #else

  633.     JUCE_PERFORM_VEC_OP_SRC1_SRC2_DEST (dest[i] = src1[i] + src2[i], Mode::add (s1, s2), JUCE_LOAD_SRC1_SRC2, JUCE_INCREMENT_SRC1_SRC2_DEST, )

  634.    #endif

  635. }

  636. 

  637. void JUCE_CALLTYPE FloatVectorOperations::add (double* dest, const double* src1, const double* src2, int num) noexcept

  638. {

  639.    #if JUCE_USE_VDSP_FRAMEWORK

  640.     vDSP_vaddD (src1, 1, src2, 1, dest, 1, (vDSP_Length) num);

  641.    #else

  642.     JUCE_PERFORM_VEC_OP_SRC1_SRC2_DEST (dest[i] = src1[i] + src2[i], Mode::add (s1, s2), JUCE_LOAD_SRC1_SRC2, JUCE_INCREMENT_SRC1_SRC2_DEST, )

  643.    #endif

  644. }

  645. 

  646. void JUCE_CALLTYPE FloatVectorOperations::subtract (float* dest, const float* src, int num) noexcept

  647. {

  648.    #if JUCE_USE_VDSP_FRAMEWORK

  649.     vDSP_vsub (src, 1, dest, 1, dest, 1, (vDSP_Length) num);

  650.    #else

  651.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] -= src[i], Mode::sub (d, s), JUCE_LOAD_SRC_DEST, JUCE_INCREMENT_SRC_DEST, )

  652.    #endif

  653. }

  654. 

  655. void JUCE_CALLTYPE FloatVectorOperations::subtract (double* dest, const double* src, int num) noexcept

  656. {

  657.    #if JUCE_USE_VDSP_FRAMEWORK

  658.     vDSP_vsubD (src, 1, dest, 1, dest, 1, (vDSP_Length) num);

  659.    #else

  660.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] -= src[i], Mode::sub (d, s), JUCE_LOAD_SRC_DEST, JUCE_INCREMENT_SRC_DEST, )

  661.    #endif

  662. }

  663. 

  664. void JUCE_CALLTYPE FloatVectorOperations::subtract (float* dest, const float* src1, const float* src2, int num) noexcept

  665. {

  666.    #if JUCE_USE_VDSP_FRAMEWORK

  667.     vDSP_vsub (src2, 1, src1, 1, dest, 1, (vDSP_Length) num);

  668.    #else

  669.     JUCE_PERFORM_VEC_OP_SRC1_SRC2_DEST (dest[i] = src1[i] - src2[i], Mode::sub (s1, s2), JUCE_LOAD_SRC1_SRC2, JUCE_INCREMENT_SRC1_SRC2_DEST, )

  670.    #endif

  671. }

  672. 

  673. void JUCE_CALLTYPE FloatVectorOperations::subtract (double* dest, const double* src1, const double* src2, int num) noexcept

  674. {

  675.    #if JUCE_USE_VDSP_FRAMEWORK

  676.     vDSP_vsubD (src2, 1, src1, 1, dest, 1, (vDSP_Length) num);

  677.    #else

  678.     JUCE_PERFORM_VEC_OP_SRC1_SRC2_DEST (dest[i] = src1[i] - src2[i], Mode::sub (s1, s2), JUCE_LOAD_SRC1_SRC2, JUCE_INCREMENT_SRC1_SRC2_DEST, )

  679.    #endif

  680. }

  681. 

  682. void JUCE_CALLTYPE FloatVectorOperations::addWithMultiply (float* dest, const float* src, float multiplier, int num) noexcept

  683. {

  684.    #if JUCE_USE_VDSP_FRAMEWORK

  685.     vDSP_vsma (src, 1, &multiplier, dest, 1, dest, 1, (vDSP_Length) num);

  686.    #else

  687.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] += src[i] * multiplier, Mode::add (d, Mode::mul (mult, s)),

  688.                                   JUCE_LOAD_SRC_DEST, JUCE_INCREMENT_SRC_DEST,

  689.                                   const Mode::ParallelType mult = Mode::load1 (multiplier);)

  690.    #endif

  691. }

  692. 

  693. void JUCE_CALLTYPE FloatVectorOperations::addWithMultiply (double* dest, const double* src, double multiplier, int num) noexcept

  694. {

  695.    #if JUCE_USE_VDSP_FRAMEWORK

  696.     vDSP_vsmaD (src, 1, &multiplier, dest, 1, dest, 1, (vDSP_Length) num);

  697.    #else

  698.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] += src[i] * multiplier, Mode::add (d, Mode::mul (mult, s)),

  699.                                   JUCE_LOAD_SRC_DEST, JUCE_INCREMENT_SRC_DEST,

  700.                                   const Mode::ParallelType mult = Mode::load1 (multiplier);)

  701.    #endif

  702. }

  703. 

  704. void JUCE_CALLTYPE FloatVectorOperations::addWithMultiply (float* dest, const float* src1, const float* src2, int num) noexcept

  705. {

  706.    #if JUCE_USE_VDSP_FRAMEWORK

  707.     vDSP_vma ((float*) src1, 1, (float*) src2, 1, dest, 1, dest, 1, (vDSP_Length) num);

  708.    #else

  709.     JUCE_PERFORM_VEC_OP_SRC1_SRC2_DEST_DEST (dest[i] += src1[i] * src2[i], Mode::add (d, Mode::mul (s1, s2)),

  710.                                              JUCE_LOAD_SRC1_SRC2_DEST,

  711.                                              JUCE_INCREMENT_SRC1_SRC2_DEST, )

  712.    #endif

  713. }

  714. 

  715. void JUCE_CALLTYPE FloatVectorOperations::addWithMultiply (double* dest, const double* src1, const double* src2, int num) noexcept

  716. {

  717.    #if JUCE_USE_VDSP_FRAMEWORK

  718.     vDSP_vmaD ((double*) src1, 1, (double*) src2, 1, dest, 1, dest, 1, (vDSP_Length) num);

  719.    #else

  720.     JUCE_PERFORM_VEC_OP_SRC1_SRC2_DEST_DEST (dest[i] += src1[i] * src2[i], Mode::add (d, Mode::mul (s1, s2)),

  721.                                              JUCE_LOAD_SRC1_SRC2_DEST,

  722.                                              JUCE_INCREMENT_SRC1_SRC2_DEST, )

  723.    #endif

  724. }

  725. 

  726. void JUCE_CALLTYPE FloatVectorOperations::subtractWithMultiply (float* dest, const float* src, float multiplier, int num) noexcept

  727. {

  728.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] -= src[i] * multiplier, Mode::sub (d, Mode::mul (mult, s)),

  729.                                   JUCE_LOAD_SRC_DEST, JUCE_INCREMENT_SRC_DEST,

  730.                                   const Mode::ParallelType mult = Mode::load1 (multiplier);)

  731. }

  732. 

  733. void JUCE_CALLTYPE FloatVectorOperations::subtractWithMultiply (double* dest, const double* src, double multiplier, int num) noexcept

  734. {

  735.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] -= src[i] * multiplier, Mode::sub (d, Mode::mul (mult, s)),

  736.                                   JUCE_LOAD_SRC_DEST, JUCE_INCREMENT_SRC_DEST,

  737.                                   const Mode::ParallelType mult = Mode::load1 (multiplier);)

  738. }

  739. 

  740. void JUCE_CALLTYPE FloatVectorOperations::subtractWithMultiply (float* dest, const float* src1, const float* src2, int num) noexcept

  741. {

  742.     JUCE_PERFORM_VEC_OP_SRC1_SRC2_DEST_DEST (dest[i] -= src1[i] * src2[i], Mode::sub (d, Mode::mul (s1, s2)),

  743.                                              JUCE_LOAD_SRC1_SRC2_DEST,

  744.                                              JUCE_INCREMENT_SRC1_SRC2_DEST, )

  745. }

  746. 

  747. void JUCE_CALLTYPE FloatVectorOperations::subtractWithMultiply (double* dest, const double* src1, const double* src2, int num) noexcept

  748. {

  749.     JUCE_PERFORM_VEC_OP_SRC1_SRC2_DEST_DEST (dest[i] -= src1[i] * src2[i], Mode::sub (d, Mode::mul (s1, s2)),

  750.                                              JUCE_LOAD_SRC1_SRC2_DEST,

  751.                                              JUCE_INCREMENT_SRC1_SRC2_DEST, )

  752. }

  753. 

  754. void JUCE_CALLTYPE FloatVectorOperations::multiply (float* dest, const float* src, int num) noexcept

  755. {

  756.    #if JUCE_USE_VDSP_FRAMEWORK

  757.     vDSP_vmul (src, 1, dest, 1, dest, 1, (vDSP_Length) num);

  758.    #else

  759.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] *= src[i], Mode::mul (d, s), JUCE_LOAD_SRC_DEST, JUCE_INCREMENT_SRC_DEST, )

  760.    #endif

  761. }

  762. 

  763. void JUCE_CALLTYPE FloatVectorOperations::multiply (double* dest, const double* src, int num) noexcept

  764. {

  765.    #if JUCE_USE_VDSP_FRAMEWORK

  766.     vDSP_vmulD (src, 1, dest, 1, dest, 1, (vDSP_Length) num);

  767.    #else

  768.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] *= src[i], Mode::mul (d, s), JUCE_LOAD_SRC_DEST, JUCE_INCREMENT_SRC_DEST, )

  769.    #endif

  770. }

  771. 

  772. void JUCE_CALLTYPE FloatVectorOperations::multiply (float* dest, const float* src1, const float* src2, int num) noexcept

  773. {

  774.    #if JUCE_USE_VDSP_FRAMEWORK

  775.     vDSP_vmul (src1, 1, src2, 1, dest, 1, (vDSP_Length) num);

  776.    #else

  777.     JUCE_PERFORM_VEC_OP_SRC1_SRC2_DEST (dest[i] = src1[i] * src2[i], Mode::mul (s1, s2), JUCE_LOAD_SRC1_SRC2, JUCE_INCREMENT_SRC1_SRC2_DEST, )

  778.    #endif

  779. }

  780. 

  781. void JUCE_CALLTYPE FloatVectorOperations::multiply (double* dest, const double* src1, const double* src2, int num) noexcept

  782. {

  783.    #if JUCE_USE_VDSP_FRAMEWORK

  784.     vDSP_vmulD (src1, 1, src2, 1, dest, 1, (vDSP_Length) num);

  785.    #else

  786.     JUCE_PERFORM_VEC_OP_SRC1_SRC2_DEST (dest[i] = src1[i] * src2[i], Mode::mul (s1, s2), JUCE_LOAD_SRC1_SRC2, JUCE_INCREMENT_SRC1_SRC2_DEST, )

  787.    #endif

  788. }

  789. 

  790. void JUCE_CALLTYPE FloatVectorOperations::multiply (float* dest, float multiplier, int num) noexcept

  791. {

  792.    #if JUCE_USE_VDSP_FRAMEWORK

  793.     vDSP_vsmul (dest, 1, &multiplier, dest, 1, (vDSP_Length) num);

  794.    #else

  795.     JUCE_PERFORM_VEC_OP_DEST (dest[i] *= multiplier, Mode::mul (d, mult), JUCE_LOAD_DEST,

  796.                               const Mode::ParallelType mult = Mode::load1 (multiplier);)

  797.    #endif

  798. }

  799. 

  800. void JUCE_CALLTYPE FloatVectorOperations::multiply (double* dest, double multiplier, int num) noexcept

  801. {

  802.    #if JUCE_USE_VDSP_FRAMEWORK

  803.     vDSP_vsmulD (dest, 1, &multiplier, dest, 1, (vDSP_Length) num);

  804.    #else

  805.     JUCE_PERFORM_VEC_OP_DEST (dest[i] *= multiplier, Mode::mul (d, mult), JUCE_LOAD_DEST,

  806.                               const Mode::ParallelType mult = Mode::load1 (multiplier);)

  807.    #endif

  808. }

  809. 

  810. void JUCE_CALLTYPE FloatVectorOperations::multiply (float* dest, const float* src, float multiplier, int num) noexcept

  811. {

  812.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] = src[i] * multiplier, Mode::mul (mult, s),

  813.                                   JUCE_LOAD_SRC, JUCE_INCREMENT_SRC_DEST,

  814.                                   const Mode::ParallelType mult = Mode::load1 (multiplier);)

  815. }

  816. 

  817. void JUCE_CALLTYPE FloatVectorOperations::multiply (double* dest, const double* src, double multiplier, int num) noexcept

  818. {

  819.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] = src[i] * multiplier, Mode::mul (mult, s),

  820.                                   JUCE_LOAD_SRC, JUCE_INCREMENT_SRC_DEST,

  821.                                   const Mode::ParallelType mult = Mode::load1 (multiplier);)

  822. }

  823. 

  824. void FloatVectorOperations::negate (float* dest, const float* src, int num) noexcept

  825. {

  826.    #if JUCE_USE_VDSP_FRAMEWORK

  827.     vDSP_vneg ((float*) src, 1, dest, 1, (vDSP_Length) num);

  828.    #else

  829.     copyWithMultiply (dest, src, -1.0f, num);

  830.    #endif

  831. }

  832. 

  833. void FloatVectorOperations::negate (double* dest, const double* src, int num) noexcept

  834. {

  835.    #if JUCE_USE_VDSP_FRAMEWORK

  836.     vDSP_vnegD ((double*) src, 1, dest, 1, (vDSP_Length) num);

  837.    #else

  838.     copyWithMultiply (dest, src, -1.0f, num);

  839.    #endif

  840. }

  841. 

  842. void FloatVectorOperations::abs (float* dest, const float* src, int num) noexcept

  843. {

  844.    #if JUCE_USE_VDSP_FRAMEWORK

  845.     vDSP_vabs ((float*) src, 1, dest, 1, (vDSP_Length) num);

  846.    #else

  847.     FloatVectorHelpers::signMask32 signMask;

  848.     signMask.i = 0x7fffffffUL;

  849.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] = std::abs (src[i]), Mode::bit_and (s, mask),

  850.                                   JUCE_LOAD_SRC, JUCE_INCREMENT_SRC_DEST,

  851.                                   const Mode::ParallelType mask = Mode::load1 (signMask.f);)

  852. 

  853.     ignoreUnused (signMask);

  854.    #endif

  855. }

  856. 

  857. void FloatVectorOperations::abs (double* dest, const double* src, int num) noexcept

  858. {

  859.    #if JUCE_USE_VDSP_FRAMEWORK

  860.     vDSP_vabsD ((double*) src, 1, dest, 1, (vDSP_Length) num);

  861.    #else

  862.     FloatVectorHelpers::signMask64 signMask;

  863.     signMask.i = 0x7fffffffffffffffULL;

  864. 

  865.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] = std::abs (src[i]), Mode::bit_and (s, mask),

  866.                                   JUCE_LOAD_SRC, JUCE_INCREMENT_SRC_DEST,

  867.                                   const Mode::ParallelType mask = Mode::load1 (signMask.d);)

  868. 

  869.     ignoreUnused (signMask);

  870.    #endif

  871. }

  872. 

  873. void JUCE_CALLTYPE FloatVectorOperations::convertFixedToFloat (float* dest, const int* src, float multiplier, int num) noexcept

  874. {

  875.    #if JUCE_USE_ARM_NEON

  876.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] = src[i] * multiplier,

  877.                                   vmulq_n_f32 (vcvtq_f32_s32 (vld1q_s32 (src)), multiplier),

  878.                                   JUCE_LOAD_NONE, JUCE_INCREMENT_SRC_DEST, )

  879.    #else

  880.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] = (float) src[i] * multiplier,

  881.                                   Mode::mul (mult, _mm_cvtepi32_ps (_mm_loadu_si128 (reinterpret_cast<const __m128i*> (src)))),

  882.                                   JUCE_LOAD_NONE, JUCE_INCREMENT_SRC_DEST,

  883.                                   const Mode::ParallelType mult = Mode::load1 (multiplier);)

  884.    #endif

  885. }

  886. 

  887. void JUCE_CALLTYPE FloatVectorOperations::min (float* dest, const float* src, float comp, int num) noexcept

  888. {

  889.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] = jmin (src[i], comp), Mode::min (s, cmp),

  890.                                   JUCE_LOAD_SRC, JUCE_INCREMENT_SRC_DEST,

  891.                                   const Mode::ParallelType cmp = Mode::load1 (comp);)

  892. }

  893. 

  894. void JUCE_CALLTYPE FloatVectorOperations::min (double* dest, const double* src, double comp, int num) noexcept

  895. {

  896.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] = jmin (src[i], comp), Mode::min (s, cmp),

  897.                                   JUCE_LOAD_SRC, JUCE_INCREMENT_SRC_DEST,

  898.                                   const Mode::ParallelType cmp = Mode::load1 (comp);)

  899. }

  900. 

  901. void JUCE_CALLTYPE FloatVectorOperations::min (float* dest, const float* src1, const float* src2, int num) noexcept

  902. {

  903.    #if JUCE_USE_VDSP_FRAMEWORK

  904.     vDSP_vmin ((float*) src1, 1, (float*) src2, 1, dest, 1, (vDSP_Length) num);

  905.    #else

  906.     JUCE_PERFORM_VEC_OP_SRC1_SRC2_DEST (dest[i] = jmin (src1[i], src2[i]), Mode::min (s1, s2), JUCE_LOAD_SRC1_SRC2, JUCE_INCREMENT_SRC1_SRC2_DEST, )

  907.    #endif

  908. }

  909. 

  910. void JUCE_CALLTYPE FloatVectorOperations::min (double* dest, const double* src1, const double* src2, int num) noexcept

  911. {

  912.    #if JUCE_USE_VDSP_FRAMEWORK

  913.     vDSP_vminD ((double*) src1, 1, (double*) src2, 1, dest, 1, (vDSP_Length) num);

  914.    #else

  915.     JUCE_PERFORM_VEC_OP_SRC1_SRC2_DEST (dest[i] = jmin (src1[i], src2[i]), Mode::min (s1, s2), JUCE_LOAD_SRC1_SRC2, JUCE_INCREMENT_SRC1_SRC2_DEST, )

  916.    #endif

  917. }

  918. 

  919. void JUCE_CALLTYPE FloatVectorOperations::max (float* dest, const float* src, float comp, int num) noexcept

  920. {

  921.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] = jmax (src[i], comp), Mode::max (s, cmp),

  922.                                   JUCE_LOAD_SRC, JUCE_INCREMENT_SRC_DEST,

  923.                                   const Mode::ParallelType cmp = Mode::load1 (comp);)

  924. }

  925. 

  926. void JUCE_CALLTYPE FloatVectorOperations::max (double* dest, const double* src, double comp, int num) noexcept

  927. {

  928.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] = jmax (src[i], comp), Mode::max (s, cmp),

  929.                                   JUCE_LOAD_SRC, JUCE_INCREMENT_SRC_DEST,

  930.                                   const Mode::ParallelType cmp = Mode::load1 (comp);)

  931. }

  932. 

  933. void JUCE_CALLTYPE FloatVectorOperations::max (float* dest, const float* src1, const float* src2, int num) noexcept

  934. {

  935.    #if JUCE_USE_VDSP_FRAMEWORK

  936.     vDSP_vmax ((float*) src1, 1, (float*) src2, 1, dest, 1, (vDSP_Length) num);

  937.    #else

  938.     JUCE_PERFORM_VEC_OP_SRC1_SRC2_DEST (dest[i] = jmax (src1[i], src2[i]), Mode::max (s1, s2), JUCE_LOAD_SRC1_SRC2, JUCE_INCREMENT_SRC1_SRC2_DEST, )

  939.    #endif

  940. }

  941. 

  942. void JUCE_CALLTYPE FloatVectorOperations::max (double* dest, const double* src1, const double* src2, int num) noexcept

  943. {

  944.    #if JUCE_USE_VDSP_FRAMEWORK

  945.     vDSP_vmaxD ((double*) src1, 1, (double*) src2, 1, dest, 1, (vDSP_Length) num);

  946.    #else

  947.     JUCE_PERFORM_VEC_OP_SRC1_SRC2_DEST (dest[i] = jmax (src1[i], src2[i]), Mode::max (s1, s2), JUCE_LOAD_SRC1_SRC2, JUCE_INCREMENT_SRC1_SRC2_DEST, )

  948.    #endif

  949. }

  950. 

  951. void JUCE_CALLTYPE FloatVectorOperations::clip (float* dest, const float* src, float low, float high, int num) noexcept

  952. {

  953.     jassert(high >= low);

  954. 

  955.    #if JUCE_USE_VDSP_FRAMEWORK

  956.     vDSP_vclip ((float*) src, 1, &low, &high, dest, 1, (vDSP_Length) num);

  957.    #else

  958.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] = jmax (jmin (src[i], high), low), Mode::max (Mode::min (s, hi), lo),

  959.                                   JUCE_LOAD_SRC, JUCE_INCREMENT_SRC_DEST,

  960.                                   const Mode::ParallelType lo = Mode::load1 (low); const Mode::ParallelType hi = Mode::load1 (high);)

  961.    #endif

  962. }

  963. 

  964. void JUCE_CALLTYPE FloatVectorOperations::clip (double* dest, const double* src, double low, double high, int num) noexcept

  965. {

  966.     jassert(high >= low);

  967. 

  968.    #if JUCE_USE_VDSP_FRAMEWORK

  969.     vDSP_vclipD ((double*) src, 1, &low, &high, dest, 1, (vDSP_Length) num);

  970.    #else

  971.     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] = jmax (jmin (src[i], high), low), Mode::max (Mode::min (s, hi), lo),

  972.                                   JUCE_LOAD_SRC, JUCE_INCREMENT_SRC_DEST,

  973.                                   const Mode::ParallelType lo = Mode::load1 (low); const Mode::ParallelType hi = Mode::load1 (high);)

  974.    #endif

  975. }

  976. 

  977. Range<float> JUCE_CALLTYPE FloatVectorOperations::findMinAndMax (const float* src, int num) noexcept

  978. {

  979.    #if JUCE_USE_SSE_INTRINSICS || JUCE_USE_ARM_NEON

  980.     return FloatVectorHelpers::MinMax<FloatVectorHelpers::BasicOps32>::findMinAndMax (src, num);

  981.    #else

  982.     return Range<float>::findMinAndMax (src, num);

  983.    #endif

  984. }

  985. 

  986. Range<double> JUCE_CALLTYPE FloatVectorOperations::findMinAndMax (const double* src, int num) noexcept

  987. {

  988.    #if JUCE_USE_SSE_INTRINSICS || JUCE_USE_ARM_NEON

  989.     return FloatVectorHelpers::MinMax<FloatVectorHelpers::BasicOps64>::findMinAndMax (src, num);

  990.    #else

  991.     return Range<double>::findMinAndMax (src, num);

  992.    #endif

  993. }

  994. 

  995. float JUCE_CALLTYPE FloatVectorOperations::findMinimum (const float* src, int num) noexcept

  996. {

  997.    #if JUCE_USE_SSE_INTRINSICS || JUCE_USE_ARM_NEON

  998.     return FloatVectorHelpers::MinMax<FloatVectorHelpers::BasicOps32>::findMinOrMax (src, num, true);

  999.    #else

  1000.     return juce::findMinimum (src, num);

  1001.    #endif

  1002. }

  1003. 

  1004. double JUCE_CALLTYPE FloatVectorOperations::findMinimum (const double* src, int num) noexcept

  1005. {

  1006.    #if JUCE_USE_SSE_INTRINSICS || JUCE_USE_ARM_NEON

  1007.     return FloatVectorHelpers::MinMax<FloatVectorHelpers::BasicOps64>::findMinOrMax (src, num, true);

  1008.    #else

  1009.     return juce::findMinimum (src, num);

  1010.    #endif

  1011. }

  1012. 

  1013. float JUCE_CALLTYPE FloatVectorOperations::findMaximum (const float* src, int num) noexcept

  1014. {

  1015.    #if JUCE_USE_SSE_INTRINSICS || JUCE_USE_ARM_NEON

  1016.     return FloatVectorHelpers::MinMax<FloatVectorHelpers::BasicOps32>::findMinOrMax (src, num, false);

  1017.    #else

  1018.     return juce::findMaximum (src, num);

  1019.    #endif

  1020. }

  1021. 

  1022. double JUCE_CALLTYPE FloatVectorOperations::findMaximum (const double* src, int num) noexcept

  1023. {

  1024.    #if JUCE_USE_SSE_INTRINSICS || JUCE_USE_ARM_NEON

  1025.     return FloatVectorHelpers::MinMax<FloatVectorHelpers::BasicOps64>::findMinOrMax (src, num, false);

  1026.    #else

  1027.     return juce::findMaximum (src, num);

  1028.    #endif

  1029. }

  1030. 

  1031. intptr_t JUCE_CALLTYPE FloatVectorOperations::getFpStatusRegister() noexcept

  1032. {

  1033.     intptr_t fpsr = 0;

  1034.   #if JUCE_INTEL && JUCE_USE_SSE_INTRINSICS

  1035.     fpsr = static_cast<intptr_t> (_mm_getcsr());

  1036.   #elif defined (__arm64__) || defined (__aarch64__) || JUCE_USE_ARM_NEON

  1037.    #if defined (__arm64__) || defined (__aarch64__)

  1038.     asm volatile("mrs %0, fpcr" : "=r" (fpsr));

  1039.    #elif JUCE_USE_ARM_NEON

  1040.     asm volatile("vmrs %0, fpscr" : "=r" (fpsr));

  1041.    #endif

  1042.   #else

  1043.    #if ! (defined (JUCE_INTEL) || defined (JUCE_ARM))

  1044.     jassertfalse; // No support for getting the floating point status register for your platform

  1045.    #endif

  1046.   #endif

  1047. 

  1048.     return fpsr;

  1049. }

  1050. 

  1051. void JUCE_CALLTYPE FloatVectorOperations::setFpStatusRegister (intptr_t fpsr) noexcept

  1052. {

  1053.   #if JUCE_INTEL && JUCE_USE_SSE_INTRINSICS

  1054.     auto fpsr_w = static_cast<uint32_t> (fpsr);

  1055.     _mm_setcsr (fpsr_w);

  1056.   #elif defined (__arm64__) || defined (__aarch64__) || JUCE_USE_ARM_NEON

  1057.    #if defined (__arm64__) || defined (__aarch64__)

  1058.     asm volatile("msr fpcr, %0" : : "ri" (fpsr));

  1059.    #elif JUCE_USE_ARM_NEON

  1060.     asm volatile("vmsr fpscr, %0" : : "ri" (fpsr));

  1061.    #endif

  1062.   #else

  1063.    #if ! (defined (JUCE_INTEL) || defined (JUCE_ARM))

  1064.     jassertfalse; // No support for getting the floating point status register for your platform

  1065.    #endif

  1066.     ignoreUnused (fpsr);

  1067.   #endif

  1068. }

  1069. 

  1070. void JUCE_CALLTYPE FloatVectorOperations::enableFlushToZeroMode (bool shouldEnable) noexcept

  1071. {

  1072.   #if JUCE_USE_SSE_INTRINSICS || (JUCE_USE_ARM_NEON || defined (__arm64__) || defined (__aarch64__))

  1073.    #if JUCE_USE_SSE_INTRINSICS

  1074.     intptr_t mask = _MM_FLUSH_ZERO_MASK;

  1075.    #else /*JUCE_USE_ARM_NEON*/

  1076.     intptr_t mask = (1 << 24 /* FZ */);

  1077.    #endif

  1078.     setFpStatusRegister ((getFpStatusRegister() & (~mask)) | (shouldEnable ? mask : 0));

  1079.   #else

  1080.    #if ! (defined (JUCE_INTEL) || defined (JUCE_ARM))

  1081.     jassertfalse; // No support for flush to zero mode on your platform

  1082.    #endif

  1083.     ignoreUnused (shouldEnable);

  1084.   #endif

  1085. }

  1086. 

  1087. void JUCE_CALLTYPE FloatVectorOperations::disableDenormalisedNumberSupport (bool shouldDisable) noexcept

  1088. {

  1089.   #if JUCE_USE_SSE_INTRINSICS || (JUCE_USE_ARM_NEON || defined (__arm64__) || defined (__aarch64__))

  1090.    #if JUCE_USE_SSE_INTRINSICS

  1091.     intptr_t mask = 0x8040;

  1092.    #else /*JUCE_USE_ARM_NEON*/

  1093.     intptr_t mask = (1 << 24 /* FZ */);

  1094.    #endif

  1095. 

  1096.     setFpStatusRegister ((getFpStatusRegister() & (~mask)) | (shouldDisable ? mask : 0));

  1097.   #else

  1098.     ignoreUnused (shouldDisable);

  1099. 

  1100.    #if ! (defined (JUCE_INTEL) || defined (JUCE_ARM))

  1101.     jassertfalse; // No support for disable denormals mode on your platform

  1102.    #endif

  1103.   #endif

  1104. }

  1105. 

  1106. bool JUCE_CALLTYPE FloatVectorOperations::areDenormalsDisabled() noexcept

  1107. {

  1108.   #if JUCE_USE_SSE_INTRINSICS || (JUCE_USE_ARM_NEON || defined (__arm64__) || defined (__aarch64__))

  1109.    #if JUCE_USE_SSE_INTRINSICS

  1110.     intptr_t mask = 0x8040;

  1111.    #else /*JUCE_USE_ARM_NEON*/

  1112.     intptr_t mask = (1 << 24 /* FZ */);

  1113.    #endif

  1114. 

  1115.     return ((getFpStatusRegister() & mask) == mask);

  1116.   #else

  1117.     return false;

  1118.   #endif

  1119. }

  1120. 

  1121. ScopedNoDenormals::ScopedNoDenormals() noexcept

  1122. {

  1123.   #if JUCE_USE_SSE_INTRINSICS || (JUCE_USE_ARM_NEON || defined (__arm64__) || defined (__aarch64__))

  1124.    #if JUCE_USE_SSE_INTRINSICS

  1125.     intptr_t mask = 0x8040;

  1126.    #else /*JUCE_USE_ARM_NEON*/

  1127.     intptr_t mask = (1 << 24 /* FZ */);

  1128.    #endif

  1129. 

  1130.     fpsr = FloatVectorOperations::getFpStatusRegister();

  1131.     FloatVectorOperations::setFpStatusRegister (fpsr | mask);

  1132.   #endif

  1133. }

  1134. 

  1135. ScopedNoDenormals::~ScopedNoDenormals() noexcept

  1136. {

  1137.   #if JUCE_USE_SSE_INTRINSICS || (JUCE_USE_ARM_NEON || defined (__arm64__) || defined (__aarch64__))

  1138.     FloatVectorOperations::setFpStatusRegister (fpsr);

  1139.   #endif

  1140. }

  1141. 

  1142. 

  1143. //==============================================================================

  1144. //==============================================================================

  1145. #if JUCE_UNIT_TESTS

  1146. 

  1147. class FloatVectorOperationsTests  : public UnitTest

  1148. {

  1149. public:

  1150.     FloatVectorOperationsTests()

  1151.         : UnitTest ("FloatVectorOperations", UnitTestCategories::audio)

  1152.     {}

  1153. 

  1154.     template <typename ValueType>

  1155.     struct TestRunner

  1156.     {

  1157.         static void runTest (UnitTest& u, Random random)

  1158.         {

  1159.             const int range = random.nextBool() ? 500 : 10;

  1160.             const int num = random.nextInt (range) + 1;

  1161. 

  1162.             HeapBlock<ValueType> buffer1 (num + 16), buffer2 (num + 16);

  1163.             HeapBlock<int> buffer3 (num + 16);

  1164. 

  1165.            #if JUCE_ARM

  1166.             ValueType* const data1 = buffer1;

  1167.             ValueType* const data2 = buffer2;

  1168.             int* const int1 = buffer3;

  1169.            #else

  1170.             // These tests deliberately operate on misaligned memory and will be flagged up by

  1171.             // checks for undefined behavior!

  1172.             ValueType* const data1 = addBytesToPointer (buffer1.get(), random.nextInt (16));

  1173.             ValueType* const data2 = addBytesToPointer (buffer2.get(), random.nextInt (16));

  1174.             int* const int1 = addBytesToPointer (buffer3.get(), random.nextInt (16));

  1175.            #endif

  1176. 

  1177.             fillRandomly (random, data1, num);

  1178.             fillRandomly (random, data2, num);

  1179. 

  1180.             Range<ValueType> minMax1 (FloatVectorOperations::findMinAndMax (data1, num));

  1181.             Range<ValueType> minMax2 (Range<ValueType>::findMinAndMax (data1, num));

  1182.             u.expect (minMax1 == minMax2);

  1183. 

  1184.             u.expect (valuesMatch (FloatVectorOperations::findMinimum (data1, num), juce::findMinimum (data1, num)));

  1185.             u.expect (valuesMatch (FloatVectorOperations::findMaximum (data1, num), juce::findMaximum (data1, num)));

  1186. 

  1187.             u.expect (valuesMatch (FloatVectorOperations::findMinimum (data2, num), juce::findMinimum (data2, num)));

  1188.             u.expect (valuesMatch (FloatVectorOperations::findMaximum (data2, num), juce::findMaximum (data2, num)));

  1189. 

  1190.             FloatVectorOperations::clear (data1, num);

  1191.             u.expect (areAllValuesEqual (data1, num, 0));

  1192. 

  1193.             FloatVectorOperations::fill (data1, (ValueType) 2, num);

  1194.             u.expect (areAllValuesEqual (data1, num, (ValueType) 2));

  1195. 

  1196.             FloatVectorOperations::add (data1, (ValueType) 2, num);

  1197.             u.expect (areAllValuesEqual (data1, num, (ValueType) 4));

  1198. 

  1199.             FloatVectorOperations::copy (data2, data1, num);

  1200.             u.expect (areAllValuesEqual (data2, num, (ValueType) 4));

  1201. 

  1202.             FloatVectorOperations::add (data2, data1, num);

  1203.             u.expect (areAllValuesEqual (data2, num, (ValueType) 8));

  1204. 

  1205.             FloatVectorOperations::copyWithMultiply (data2, data1, (ValueType) 4, num);

  1206.             u.expect (areAllValuesEqual (data2, num, (ValueType) 16));

  1207. 

  1208.             FloatVectorOperations::addWithMultiply (data2, data1, (ValueType) 4, num);

  1209.             u.expect (areAllValuesEqual (data2, num, (ValueType) 32));

  1210. 

  1211.             FloatVectorOperations::multiply (data1, (ValueType) 2, num);

  1212.             u.expect (areAllValuesEqual (data1, num, (ValueType) 8));

  1213. 

  1214.             FloatVectorOperations::multiply (data1, data2, num);

  1215.             u.expect (areAllValuesEqual (data1, num, (ValueType) 256));

  1216. 

  1217.             FloatVectorOperations::negate (data2, data1, num);

  1218.             u.expect (areAllValuesEqual (data2, num, (ValueType) -256));

  1219. 

  1220.             FloatVectorOperations::subtract (data1, data2, num);

  1221.             u.expect (areAllValuesEqual (data1, num, (ValueType) 512));

  1222. 

  1223.             FloatVectorOperations::abs (data1, data2, num);

  1224.             u.expect (areAllValuesEqual (data1, num, (ValueType) 256));

  1225. 

  1226.             FloatVectorOperations::abs (data2, data1, num);

  1227.             u.expect (areAllValuesEqual (data2, num, (ValueType) 256));

  1228. 

  1229.             fillRandomly (random, int1, num);

  1230.             doConversionTest (u, data1, data2, int1, num);

  1231. 

  1232.             FloatVectorOperations::fill (data1, (ValueType) 2, num);

  1233.             FloatVectorOperations::fill (data2, (ValueType) 3, num);

  1234.             FloatVectorOperations::addWithMultiply (data1, data1, data2, num);

  1235.             u.expect (areAllValuesEqual (data1, num, (ValueType) 8));

  1236.         }

  1237. 

  1238.         static void doConversionTest (UnitTest& u, float* data1, float* data2, int* const int1, int num)

  1239.         {

  1240.             FloatVectorOperations::convertFixedToFloat (data1, int1, 2.0f, num);

  1241.             convertFixed (data2, int1, 2.0f, num);

  1242.             u.expect (buffersMatch (data1, data2, num));

  1243.         }

  1244. 

  1245.         static void doConversionTest (UnitTest&, double*, double*, int*, int) {}

  1246. 

  1247.         static void fillRandomly (Random& random, ValueType* d, int num)

  1248.         {

  1249.             while (--num >= 0)

  1250.                 *d++ = (ValueType) (random.nextDouble() * 1000.0);

  1251.         }

  1252. 

  1253.         static void fillRandomly (Random& random, int* d, int num)

  1254.         {

  1255.             while (--num >= 0)

  1256.                 *d++ = random.nextInt();

  1257.         }

  1258. 

  1259.         static void convertFixed (float* d, const int* s, ValueType multiplier, int num)

  1260.         {

  1261.             while (--num >= 0)

  1262.                 *d++ = (float) *s++ * multiplier;

  1263.         }

  1264. 

  1265.         static bool areAllValuesEqual (const ValueType* d, int num, ValueType target)

  1266.         {

  1267.             while (--num >= 0)

  1268.                 if (*d++ != target)

  1269.                     return false;

  1270. 

  1271.             return true;

  1272.         }

  1273. 

  1274.         static bool buffersMatch (const ValueType* d1, const ValueType* d2, int num)

  1275.         {

  1276.             while (--num >= 0)

  1277.                 if (! valuesMatch (*d1++, *d2++))

  1278.                     return false;

  1279. 

  1280.             return true;

  1281.         }

  1282. 

  1283.         static bool valuesMatch (ValueType v1, ValueType v2)

  1284.         {

  1285.             return std::abs (v1 - v2) < std::numeric_limits<ValueType>::epsilon();

  1286.         }

  1287.     };

  1288. 

  1289.     void runTest() override

  1290.     {

  1291.         beginTest ("FloatVectorOperations");

  1292. 

  1293.         for (int i = 1000; --i >= 0;)

  1294.         {

  1295.             TestRunner<float>::runTest (*this, getRandom());

  1296.             TestRunner<double>::runTest (*this, getRandom());

  1297.         }

  1298.     }

  1299. };

  1300. 

  1301. static FloatVectorOperationsTests vectorOpTests;

  1302. 

  1303. #endif

  1304. 

  1305. } // namespace juce