From 73616b1f21a776aef814ca036d783eede28773a7 Mon Sep 17 00:00:00 2001 From: Ganesh Ajjanagadde Date: Fri, 25 Dec 2015 08:30:06 -0800 Subject: [PATCH] lavu/libm,configure: remove exp10, exp10f detection Subsequent commit introduces ff_exp10 instead. Signed-off-by: Ganesh Ajjanagadde --- configure | 2 -- libavutil/libm.h | 18 ------------------ 2 files changed, 20 deletions(-) diff --git a/configure b/configure index 73abf282f6..a510e8f9b5 100755 --- a/configure +++ b/configure @@ -1817,8 +1817,6 @@ MATH_FUNCS=" copysign cosf erf - exp10 - exp10f exp2 exp2f expf diff --git a/libavutil/libm.h b/libavutil/libm.h index ad7da060e8..bc44dcab0f 100644 --- a/libavutil/libm.h +++ b/libavutil/libm.h @@ -293,24 +293,6 @@ static inline double erf(double z) #define exp2f(x) ((float)exp2(x)) #endif /* HAVE_EXP2F */ -/* Somewhat inaccurate fallbacks, relative error ~ 1e-13 concentrated on very -small and very large values. For perfection accuracy-wise, should use pow. -Speed benefits (>2x average, with no super slow paths) deemed to be worth the -accuracy tradeoff */ -#if !HAVE_EXP10 -static av_always_inline double exp10(double x) -{ - return exp2(M_LOG2_10 * x); -} -#endif /* HAVE_EXP10 */ - -#if !HAVE_EXP10F -static av_always_inline float exp10f(float x) -{ - return exp2f(M_LOG2_10 * x); -} -#endif /* HAVE_EXP10F */ - #if !HAVE_ISINF #undef isinf /* Note: these do not follow the BSD/Apple/GNU convention of returning -1 for