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  69. <div class="title">DistrhoUtils.hpp</div>  </div>

  70. </div><!--header-->

  71. <div class="contents">

  72. <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>

  73. <div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * DISTRHO Plugin Framework (DPF)</span></div>

  74. <div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright (C) 2012-2021 Filipe Coelho &lt;falktx@falktx.com&gt;</span></div>

  75. <div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *</span></div>

  76. <div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * Permission to use, copy, modify, and/or distribute this software for any purpose with</span></div>

  77. <div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * or without fee is hereby granted, provided that the above copyright notice and this</span></div>

  78. <div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * permission notice appear in all copies.</span></div>

  79. <div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *</span></div>

  80. <div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * THE SOFTWARE IS PROVIDED &quot;AS IS&quot; AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD</span></div>

  81. <div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN</span></div>

  82. <div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL</span></div>

  83. <div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER</span></div>

  84. <div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN</span></div>

  85. <div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>

  86. <div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> */</span></div>

  87. <div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160; </div>

  88. <div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#ifndef DISTRHO_UTILS_HPP_INCLUDED</span></div>

  89. <div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#define DISTRHO_UTILS_HPP_INCLUDED</span></div>

  90. <div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160; </div>

  91. <div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#include &quot;src/DistrhoDefines.h&quot;</span></div>

  92. <div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160; </div>

  93. <div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#include &lt;cstdarg&gt;</span></div>

  94. <div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#include &lt;cstdio&gt;</span></div>

  95. <div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#include &lt;cstdlib&gt;</span></div>

  96. <div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &lt;cstring&gt;</span></div>

  97. <div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160; </div>

  98. <div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#include &lt;cmath&gt;</span></div>

  99. <div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &lt;limits&gt;</span></div>

  100. <div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160; </div>

  101. <div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#ifdef DISTRHO_PROPER_CPP11_SUPPORT</span></div>

  102. <div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor"># include &lt;cstdint&gt;</span></div>

  103. <div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor">#else</span></div>

  104. <div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor"># include &lt;stdint.h&gt;</span></div>

  105. <div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#endif</span></div>

  106. <div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160; </div>

  107. <div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor">#if defined(DISTRHO_OS_WINDOWS) &amp;&amp; defined(_MSC_VER)</span></div>

  108. <div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#include &lt;basetsd.h&gt;</span></div>

  109. <div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="keyword">typedef</span> SSIZE_T ssize_t;</div>

  110. <div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#endif</span></div>

  111. <div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160; </div>

  112. <div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor">#if defined(DISTRHO_OS_MAC) &amp;&amp; ! defined(CARLA_OS_MAC) &amp;&amp; ! defined(DISTRHO_PROPER_CPP11_SUPPORT)</span></div>

  113. <div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="keyword">namespace </span>std {</div>

  114. <div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">float</span> fmin(<span class="keywordtype">float</span> __x, <span class="keywordtype">float</span> __y)</div>

  115. <div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;  { <span class="keywordflow">return</span> __builtin_fminf(__x, __y); }</div>

  116. <div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">float</span> fmax(<span class="keywordtype">float</span> __x, <span class="keywordtype">float</span> __y)</div>

  117. <div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;  { <span class="keywordflow">return</span> __builtin_fmaxf(__x, __y); }</div>

  118. <div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">float</span> rint(<span class="keywordtype">float</span> __x)</div>

  119. <div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;  { <span class="keywordflow">return</span> __builtin_rintf(__x); }</div>

  120. <div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">float</span> round(<span class="keywordtype">float</span> __x)</div>

  121. <div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;  { <span class="keywordflow">return</span> __builtin_roundf(__x); }</div>

  122. <div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;}</div>

  123. <div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="preprocessor">#endif</span></div>

  124. <div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160; </div>

  125. <div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="preprocessor">#ifndef M_PI</span></div>

  126. <div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="preprocessor"># define M_PI 3.14159265358979323846</span></div>

  127. <div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="preprocessor">#endif</span></div>

  128. <div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160; </div>

  129. <div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="preprocessor">#define DISTRHO_MACRO_AS_STRING_VALUE(MACRO) #MACRO</span></div>

  130. <div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="preprocessor">#define DISTRHO_MACRO_AS_STRING(MACRO) DISTRHO_MACRO_AS_STRING_VALUE(MACRO)</span></div>

  131. <div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160; </div>

  132. <div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="comment">// -----------------------------------------------------------------------</span></div>

  133. <div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="comment">// misc functions</span></div>

  134. <div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160; </div>

  135. <div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="comment">/*</span></div>

  136. <div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="comment"> * Return a 64-bit number from 4 8-bit numbers.</span></div>

  137. <div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="comment"> */</span></div>

  138. <div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> constexpr</div>

  139. <div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;int64_t d_cconst(<span class="keyword">const</span> uint8_t a, <span class="keyword">const</span> uint8_t b, <span class="keyword">const</span> uint8_t c, <span class="keyword">const</span> uint8_t d) noexcept</div>

  140. <div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;{</div>

  141. <div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    <span class="keywordflow">return</span> (a &lt;&lt; 24) | (b &lt;&lt; 16) | (c &lt;&lt; 8) | (d &lt;&lt; 0);</div>

  142. <div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;}</div>

  143. <div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160; </div>

  144. <div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="comment">/*</span></div>

  145. <div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="comment"> * Return an hexadecimal representation of a MAJ.MIN.MICRO version number.</span></div>

  146. <div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="comment"> */</span></div>

  147. <div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> constexpr</div>

  148. <div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;uint32_t d_version(<span class="keyword">const</span> uint8_t major, <span class="keyword">const</span> uint8_t minor, <span class="keyword">const</span> uint8_t micro) noexcept</div>

  149. <div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;{</div>

  150. <div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    <span class="keywordflow">return</span> uint32_t(major &lt;&lt; 16) | uint32_t(minor &lt;&lt; 8) | (micro &lt;&lt; 0);</div>

  151. <div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;}</div>

  152. <div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160; </div>

  153. <div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="comment">/*</span></div>

  154. <div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="comment"> * Dummy function.</span></div>

  155. <div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="comment"> */</span></div>

  156. <div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>

  157. <div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="keywordtype">void</span> d_pass() noexcept {}</div>

  158. <div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160; </div>

  159. <div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="comment">// -----------------------------------------------------------------------</span></div>

  160. <div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="comment">// string print functions</span></div>

  161. <div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160; </div>

  162. <div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="comment">/*</span></div>

  163. <div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="comment"> * Print a string to stdout with newline (gray color).</span></div>

  164. <div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="comment"> * Does nothing if DEBUG is not defined.</span></div>

  165. <div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="comment"> */</span></div>

  166. <div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="preprocessor">#ifndef DEBUG</span></div>

  167. <div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="preprocessor"># define d_debug(...)</span></div>

  168. <div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="preprocessor">#else</span></div>

  169. <div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>

  170. <div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="keywordtype">void</span> d_debug(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> fmt, ...) noexcept</div>

  171. <div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;{</div>

  172. <div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    <span class="keywordflow">try</span> {</div>

  173. <div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;        va_list args;</div>

  174. <div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;        va_start(args, fmt);</div>

  175. <div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        std::fprintf(stdout, <span class="stringliteral">&quot;\x1b[30;1m&quot;</span>);</div>

  176. <div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;        std::vfprintf(stdout, fmt, args);</div>

  177. <div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        std::fprintf(stdout, <span class="stringliteral">&quot;\x1b[0m\n&quot;</span>);</div>

  178. <div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;        va_end(args);</div>

  179. <div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    } <span class="keywordflow">catch</span> (...) {}</div>

  180. <div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;}</div>

  181. <div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;<span class="preprocessor">#endif</span></div>

  182. <div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160; </div>

  183. <div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="comment">/*</span></div>

  184. <div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;<span class="comment"> * Print a string to stdout with newline.</span></div>

  185. <div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;<span class="comment"> */</span></div>

  186. <div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>

  187. <div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="keywordtype">void</span> d_stdout(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> fmt, ...) noexcept</div>

  188. <div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;{</div>

  189. <div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;    <span class="keywordflow">try</span> {</div>

  190. <div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;        va_list args;</div>

  191. <div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;        va_start(args, fmt);</div>

  192. <div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;        std::vfprintf(stdout, fmt, args);</div>

  193. <div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;        std::fprintf(stdout, <span class="stringliteral">&quot;\n&quot;</span>);</div>

  194. <div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;        va_end(args);</div>

  195. <div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    } <span class="keywordflow">catch</span> (...) {}</div>

  196. <div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;}</div>

  197. <div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160; </div>

  198. <div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;<span class="comment">/*</span></div>

  199. <div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;<span class="comment"> * Print a string to stderr with newline.</span></div>

  200. <div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;<span class="comment"> */</span></div>

  201. <div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>

  202. <div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;<span class="keywordtype">void</span> d_stderr(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> fmt, ...) noexcept</div>

  203. <div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;{</div>

  204. <div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    <span class="keywordflow">try</span> {</div>

  205. <div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;        va_list args;</div>

  206. <div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;        va_start(args, fmt);</div>

  207. <div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;        std::vfprintf(stderr, fmt, args);</div>

  208. <div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;        std::fprintf(stderr, <span class="stringliteral">&quot;\n&quot;</span>);</div>

  209. <div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;        va_end(args);</div>

  210. <div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    } <span class="keywordflow">catch</span> (...) {}</div>

  211. <div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;}</div>

  212. <div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160; </div>

  213. <div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;<span class="comment">/*</span></div>

  214. <div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;<span class="comment"> * Print a string to stderr with newline (red color).</span></div>

  215. <div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;<span class="comment"> */</span></div>

  216. <div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>

  217. <div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;<span class="keywordtype">void</span> d_stderr2(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> fmt, ...) noexcept</div>

  218. <div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;{</div>

  219. <div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;    <span class="keywordflow">try</span> {</div>

  220. <div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;        va_list args;</div>

  221. <div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;        va_start(args, fmt);</div>

  222. <div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;        std::fprintf(stderr, <span class="stringliteral">&quot;\x1b[31m&quot;</span>);</div>

  223. <div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;        std::vfprintf(stderr, fmt, args);</div>

  224. <div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;        std::fprintf(stderr, <span class="stringliteral">&quot;\x1b[0m\n&quot;</span>);</div>

  225. <div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;        va_end(args);</div>

  226. <div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    } <span class="keywordflow">catch</span> (...) {}</div>

  227. <div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;}</div>

  228. <div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160; </div>

  229. <div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;<span class="comment">/*</span></div>

  230. <div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;<span class="comment"> * Print a safe assertion error message.</span></div>

  231. <div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;<span class="comment"> */</span></div>

  232. <div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>

  233. <div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;<span class="keywordtype">void</span> d_safe_assert(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> assertion, <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> file, <span class="keyword">const</span> <span class="keywordtype">int</span> line) noexcept</div>

  234. <div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;{</div>

  235. <div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;    d_stderr2(<span class="stringliteral">&quot;assertion failure: \&quot;%s\&quot; in file %s, line %i&quot;</span>, assertion, file, line);</div>

  236. <div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;}</div>

  237. <div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160; </div>

  238. <div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;<span class="comment">/*</span></div>

  239. <div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;<span class="comment"> * Print a safe assertion error message, with 1 extra signed integer value.</span></div>

  240. <div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;<span class="comment"> */</span></div>

  241. <div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>

  242. <div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;<span class="keywordtype">void</span> d_safe_assert_int(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> assertion, <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> file,</div>

  243. <div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;                       <span class="keyword">const</span> <span class="keywordtype">int</span> line, <span class="keyword">const</span> <span class="keywordtype">int</span> value) noexcept</div>

  244. <div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;{</div>

  245. <div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;    d_stderr2(<span class="stringliteral">&quot;assertion failure: \&quot;%s\&quot; in file %s, line %i, value %i&quot;</span>, assertion, file, line, value);</div>

  246. <div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;}</div>

  247. <div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160; </div>

  248. <div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;<span class="comment">/*</span></div>

  249. <div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;<span class="comment"> * Print a safe assertion error message, with 1 extra unsigned integer value.</span></div>

  250. <div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;<span class="comment"> */</span></div>

  251. <div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>

  252. <div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;<span class="keywordtype">void</span> d_safe_assert_uint(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> assertion, <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> file,</div>

  253. <div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;                        <span class="keyword">const</span> <span class="keywordtype">int</span> line, <span class="keyword">const</span> uint value) noexcept</div>

  254. <div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;{</div>

  255. <div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    d_stderr2(<span class="stringliteral">&quot;assertion failure: \&quot;%s\&quot; in file %s, line %i, value %u&quot;</span>, assertion, file, line, value);</div>

  256. <div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;}</div>

  257. <div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160; </div>

  258. <div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;<span class="comment">/*</span></div>

  259. <div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;<span class="comment"> * Print a safe assertion error message, with 2 extra signed integer values.</span></div>

  260. <div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;<span class="comment"> */</span></div>

  261. <div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>

  262. <div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;<span class="keywordtype">void</span> d_safe_assert_int2(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> assertion, <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> file,</div>

  263. <div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;                        <span class="keyword">const</span> <span class="keywordtype">int</span> line, <span class="keyword">const</span> <span class="keywordtype">int</span> v1, <span class="keyword">const</span> <span class="keywordtype">int</span> v2) noexcept</div>

  264. <div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;{</div>

  265. <div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;    d_stderr2(<span class="stringliteral">&quot;assertion failure: \&quot;%s\&quot; in file %s, line %i, v1 %i, v2 %i&quot;</span>, assertion, file, line, v1, v2);</div>

  266. <div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;}</div>

  267. <div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160; </div>

  268. <div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;<span class="comment">/*</span></div>

  269. <div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;<span class="comment"> * Print a safe assertion error message, with 2 extra unsigned integer values.</span></div>

  270. <div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;<span class="comment"> */</span></div>

  271. <div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>

  272. <div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;<span class="keywordtype">void</span> d_safe_assert_uint2(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> assertion, <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> file,</div>

  273. <div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;                         <span class="keyword">const</span> <span class="keywordtype">int</span> line, <span class="keyword">const</span> uint v1, <span class="keyword">const</span> uint v2) noexcept</div>

  274. <div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;{</div>

  275. <div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;    d_stderr2(<span class="stringliteral">&quot;assertion failure: \&quot;%s\&quot; in file %s, line %i, v1 %u, v2 %u&quot;</span>, assertion, file, line, v1, v2);</div>

  276. <div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;}</div>

  277. <div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160; </div>

  278. <div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;<span class="comment">/*</span></div>

  279. <div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;<span class="comment"> * Print a safe assertion error message, with a custom error message.</span></div>

  280. <div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;<span class="comment"> */</span></div>

  281. <div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>

  282. <div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;<span class="keywordtype">void</span> d_custom_safe_assert(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> message, <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> assertion, <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> file,</div>

  283. <div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;                          <span class="keyword">const</span> <span class="keywordtype">int</span> line) noexcept</div>

  284. <div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;{</div>

  285. <div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;    d_stderr2(<span class="stringliteral">&quot;assertion failure: %s, condition \&quot;%s\&quot; in file %s, line %i&quot;</span>, message, assertion, file, line);</div>

  286. <div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;}</div>

  287. <div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160; </div>

  288. <div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;<span class="comment">/*</span></div>

  289. <div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;<span class="comment"> * Print a safe exception error message.</span></div>

  290. <div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;<span class="comment"> */</span></div>

  291. <div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>

  292. <div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;<span class="keywordtype">void</span> d_safe_exception(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> exception, <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> file, <span class="keyword">const</span> <span class="keywordtype">int</span> line) noexcept</div>

  293. <div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;{</div>

  294. <div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;    d_stderr2(<span class="stringliteral">&quot;exception caught: \&quot;%s\&quot; in file %s, line %i&quot;</span>, exception, file, line);</div>

  295. <div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;}</div>

  296. <div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160; </div>

  297. <div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;<span class="comment">// -----------------------------------------------------------------------</span></div>

  298. <div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;<span class="comment">// math functions</span></div>

  299. <div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160; </div>

  300. <div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;<span class="comment">/*</span></div>

  301. <div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;<span class="comment"> * Safely compare two floating point numbers.</span></div>

  302. <div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;<span class="comment"> * Returns true if they match.</span></div>

  303. <div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;<span class="comment"> */</span></div>

  304. <div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> T&gt;</div>

  305. <div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>

  306. <div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;<span class="keywordtype">bool</span> d_isEqual(<span class="keyword">const</span> T&amp; v1, <span class="keyword">const</span> T&amp; v2)</div>

  307. <div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;{</div>

  308. <div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;    <span class="keywordflow">return</span> std::abs(v1-v2) &lt; std::numeric_limits&lt;T&gt;::epsilon();</div>

  309. <div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;}</div>

  310. <div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160; </div>

  311. <div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;<span class="comment">/*</span></div>

  312. <div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;<span class="comment"> * Safely compare two floating point numbers.</span></div>

  313. <div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;<span class="comment"> * Returns true if they don&#39;t match.</span></div>

  314. <div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;<span class="comment"> */</span></div>

  315. <div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> T&gt;</div>

  316. <div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>

  317. <div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;<span class="keywordtype">bool</span> d_isNotEqual(<span class="keyword">const</span> T&amp; v1, <span class="keyword">const</span> T&amp; v2)</div>

  318. <div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;{</div>

  319. <div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;    <span class="keywordflow">return</span> std::abs(v1-v2) &gt;= std::numeric_limits&lt;T&gt;::epsilon();</div>

  320. <div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;}</div>

  321. <div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160; </div>

  322. <div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;<span class="comment">/*</span></div>

  323. <div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;<span class="comment"> * Safely check if a floating point number is zero.</span></div>

  324. <div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;<span class="comment"> */</span></div>

  325. <div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> T&gt;</div>

  326. <div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>

  327. <div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;<span class="keywordtype">bool</span> d_isZero(<span class="keyword">const</span> T&amp; value)</div>

  328. <div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;{</div>

  329. <div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;    <span class="keywordflow">return</span> std::abs(value) &lt; std::numeric_limits&lt;T&gt;::epsilon();</div>

  330. <div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;}</div>

  331. <div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160; </div>

  332. <div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;<span class="comment">/*</span></div>

  333. <div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;<span class="comment"> * Safely check if a floating point number is not zero.</span></div>

  334. <div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;<span class="comment"> */</span></div>

  335. <div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> T&gt;</div>

  336. <div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>

  337. <div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;<span class="keywordtype">bool</span> d_isNotZero(<span class="keyword">const</span> T&amp; value)</div>

  338. <div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;{</div>

  339. <div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;    <span class="keywordflow">return</span> std::abs(value) &gt;= std::numeric_limits&lt;T&gt;::epsilon();</div>

  340. <div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;}</div>

  341. <div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160; </div>

  342. <div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;<span class="comment">/*</span></div>

  343. <div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;<span class="comment"> * Get next power of 2.</span></div>

  344. <div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;<span class="comment"> */</span></div>

  345. <div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>

  346. <div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;uint32_t d_nextPowerOf2(uint32_t size) noexcept</div>

  347. <div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;{</div>

  348. <div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;    DISTRHO_SAFE_ASSERT_RETURN(size &gt; 0, 0);</div>

  349. <div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160; </div>

  350. <div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;    <span class="comment">// http://graphics.stanford.edu/~seander/bithacks.html#RoundUpPowerOf2</span></div>

  351. <div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;    --size;</div>

  352. <div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;    size |= size &gt;&gt; 1;</div>

  353. <div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;    size |= size &gt;&gt; 2;</div>

  354. <div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;    size |= size &gt;&gt; 4;</div>

  355. <div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;    size |= size &gt;&gt; 8;</div>

  356. <div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;    size |= size &gt;&gt; 16;</div>

  357. <div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;    <span class="keywordflow">return</span> ++size;</div>

  358. <div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;}</div>

  359. <div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160; </div>

  360. <div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;<span class="comment">// -----------------------------------------------------------------------</span></div>

  361. <div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160; </div>

  362. <div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;<span class="preprocessor">#ifndef DONT_SET_USING_DISTRHO_NAMESPACE</span></div>

  363. <div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;  <span class="comment">// If your code uses a lot of DISTRHO classes, then this will obviously save you</span></div>

  364. <div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;  <span class="comment">// a lot of typing, but can be disabled by setting DONT_SET_USING_DISTRHO_NAMESPACE.</span></div>

  365. <div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;  <span class="keyword">namespace </span>DISTRHO_NAMESPACE {}</div>

  366. <div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;  <span class="keyword">using namespace </span>DISTRHO_NAMESPACE;</div>

  367. <div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;<span class="preprocessor">#endif</span></div>

  368. <div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160; </div>

  369. <div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;<span class="comment">// -----------------------------------------------------------------------</span></div>

  370. <div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160; </div>

  371. <div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;<span class="preprocessor">#endif // DISTRHO_UTILS_HPP_INCLUDED</span></div>

  372. </div><!-- fragment --></div><!-- contents -->

  373. <!-- start footer part -->

  374. <hr class="footer"/><address class="footer"><small>

  375. Generated on Mon Jun 14 2021 12:26:11 for DISTRHO Plugin Framework by &#160;<a href="http://www.doxygen.org/index.html">

  376. <img class="footer" src="doxygen.png" alt="doxygen"/>

  377. </a> 1.8.17

  378. </small></address>

  379. </body>

  380. </html>