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<a href="a00407.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * This file is part of the LibreOffice project.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * This Source Code Form is subject to the terms of the Mozilla Public</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * License, v. 2.0. If a copy of the MPL was not distributed with this</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * file, You can obtain one at http://mozilla.org/MPL/2.0/.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * This file incorporates work covered by the following license notice:</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * contributor license agreements. See the NOTICE file distributed</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * with this work for additional information regarding copyright</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * ownership. The ASF licenses this file to you under the Apache</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * License, Version 2.0 (the "License"); you may not use this file</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * except in compliance with the License. You may obtain a copy of</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * the License at http://www.apache.org/licenses/LICENSE-2.0 .</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#ifndef INCLUDED_SAL_MATHCONF_H</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"></span><span class="preprocessor">#define INCLUDED_SAL_MATHCONF_H</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="a00341.html">osl/endian.h</a>"</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#if defined __sun</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor"></span><span class="preprocessor">#include <ieeefp.h></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#endif </span><span class="comment">/* __sun */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#if defined(__cplusplus) && ( defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L )</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor"></span><span class="preprocessor">#include <cmath></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#if defined(IOS)</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"></span><span class="preprocessor">#if defined(__cplusplus)</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span><span class="preprocessor">#include <cmath></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"></span><span class="preprocessor">#include <<a class="code" href="a00378.html">math.h</a>></span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#if defined __cplusplus</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#endif </span><span class="comment">/* __cplusplus */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">/* Generally, the C standard guarantees that at program startup, "trapping or</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> stopping (if supported) is disabled on all [floating-point] exceptions"</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> (F.7.3/1 of the August 3, 1998 draft of C99), and that during program</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> execution, "a programmer can safely assume default modes (or be unaware of</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> them)" (7.6/2, footnote 161 of the August 3, 1998 draft of C99). Reportedly,</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> on Windows there are printer drivers that switch on exceptions. To avoid</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> problems, the SAL_MATH_FPEXCEPTIONS_OFF macro can be used to explicitly</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> switch off exceptions (on Windows).</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#if defined(_WIN32)</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor"></span><span class="preprocessor">#define SAL_MATH_FPEXCEPTIONS_OFF() _control87( _MCW_EM, _MCW_EM )</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor"></span><span class="preprocessor">#else </span><span class="comment">/* WNT */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="a00407.html#a70a89e3279d48e8c051a9cac90997276"> 58</a></span> <span class="preprocessor"></span><span class="preprocessor">#define SAL_MATH_FPEXCEPTIONS_OFF()</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* WNT */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">/* SAL_MATH_FINITE(d): test double d on INFINITY, NaN et al. */</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#if !defined __sun && !defined ANDROID \</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor"> && defined(__cplusplus) \</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor"> && ( defined(__GXX_EXPERIMENTAL_CXX0X__) \</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor"> || __cplusplus >= 201103L \</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor"> || defined(IOS) )</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor"></span><span class="preprocessor">#define SAL_MATH_FINITE(d) std::isfinite(d)</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor"></span><span class="preprocessor">#elif defined( IOS )</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor"></span><span class="preprocessor">#define SAL_MATH_FINITE(d) isfinite(d)</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor"></span><span class="preprocessor">#elif defined( WNT)</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor"></span><span class="preprocessor">#define SAL_MATH_FINITE(d) _finite(d)</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor"></span><span class="preprocessor">#elif defined(ANDROID) || defined LINUX || defined UNX</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor"></span><span class="preprocessor">#define SAL_MATH_FINITE(d) finite(d)</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor"></span><span class="preprocessor">#else </span><span class="comment">/* WNT, LINUX, UNX */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor"></span><span class="preprocessor">#error "SAL_MATH_FINITE not defined"</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* WNT, LINUX, UNX */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment">/* This needs to be fixed for non--IEEE-754 platforms: */</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#if 1 </span><span class="comment">/* IEEE 754 supported */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor"></span><span class="preprocessor">#if defined OSL_BIGENDIAN</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment">/* IEEE 754 double structures for BigEndian */</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="keyword">union </span>sal_math_Double</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> {</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">struct</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  {</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">unsigned</span> sign : 1;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">unsigned</span> exponent :11;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">unsigned</span> fraction_hi :20;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">unsigned</span> fraction_lo :32;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  } inf_parts;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">struct</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  {</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordtype">unsigned</span> sign : 1;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordtype">unsigned</span> exponent :11;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">unsigned</span> qnan_bit : 1;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">unsigned</span> bits :19;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordtype">unsigned</span> fraction_lo :32;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  } nan_parts;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">struct</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  {</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordtype">unsigned</span> msw :32;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordtype">unsigned</span> lsw :32;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  } w32_parts;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordtype">double</span> value;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> };</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor">#elif defined OSL_LITENDIAN</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment">/* IEEE 754 double structures for LittleEndian */</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="keyword">union </span>sal_math_Double</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> {</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">struct </span>{</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordtype">unsigned</span> fraction_lo :32;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">unsigned</span> fraction_hi :20;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordtype">unsigned</span> exponent :11;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordtype">unsigned</span> sign : 1;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  } inf_parts;</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">struct </span>{</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordtype">unsigned</span> fraction_lo :32;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordtype">unsigned</span> bits :19;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordtype">unsigned</span> qnan_bit : 1;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">unsigned</span> exponent :11;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">unsigned</span> sign : 1;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  } nan_parts;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">struct</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  {</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordtype">unsigned</span> lsw :32;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">unsigned</span> msw :32;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  } w32_parts;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordtype">double</span> value;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> };</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="preprocessor">#else </span><span class="comment">/* OSL_BIGENDIAN, OSL_LITENDIAN */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="preprocessor">#error "neither OSL_BIGENDIAN nor OSL_LITENDIAN"</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="preprocessor">#endif </span><span class="comment">/* OSL_BIGENDIAN, OSL_LITENDIAN */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="preprocessor"></span><span class="preprocessor">#else </span><span class="comment">/* IEEE 754 supported */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="preprocessor">#error "don't know how to handle IEEE 754"</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="preprocessor">#endif </span><span class="comment">/* IEEE 754 supported */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="preprocessor">#if defined __cplusplus</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="preprocessor">#endif </span><span class="comment">/* __cplusplus */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="preprocessor">#endif </span><span class="comment">/* INCLUDED_SAL_MATHCONF_H */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment">/* vim:set shiftwidth=4 softtabstop=4 expandtab: */</span></div>
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