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00001 #include <precomp.h>
00002 #include <math.h>
00003 
00004 #if defined(__GNUC__)
00005 #define FPU_DOUBLE(var) double var; \
00006     __asm__ __volatile__( "fstpl %0;fwait" : "=m" (var) : )
00007 #define FPU_DOUBLES(var1,var2) double var1,var2; \
00008     __asm__ __volatile__( "fstpl %0;fwait" : "=m" (var2) : ); \
00009     __asm__ __volatile__( "fstpl %0;fwait" : "=m" (var1) : )
00010 #elif defined(_MSC_VER)
00011 #define FPU_DOUBLE(var) double var; \
00012     __asm { fstp [var] }; __asm { fwait };
00013 #define FPU_DOUBLES(var1,var2) double var1,var2; \
00014     __asm { fstp [var1] }; __asm { fwait }; \
00015     __asm { fstp [var2] }; __asm { fwait };
00016 #endif
00017 
00018 /*
00019  * @implemented
00020  */
00021 double  CDECL   _CIsin(void)
00022 {
00023     FPU_DOUBLE(x);
00024     return sin(x);
00025 }
00026 /*
00027  * @implemented
00028  */
00029 double  CDECL   _CIcos(void)
00030 {
00031     FPU_DOUBLE(x);
00032     return cos(x);
00033 }
00034 /*
00035  * @implemented
00036  */
00037 double  CDECL   _CItan(void)
00038 {
00039     FPU_DOUBLE(x);
00040     return tan(x);
00041 }
00042 /*
00043  * @implemented
00044  */
00045 double  CDECL   _CIsinh(void)
00046 {
00047     FPU_DOUBLE(x);
00048     return sinh(x);
00049 }
00050 /*
00051  * @implemented
00052  */
00053 double  CDECL   _CIcosh(void)
00054 {
00055     FPU_DOUBLE(x);
00056     return cosh(x);
00057 }
00058 /*
00059  * @implemented
00060  */
00061 double  CDECL   _CItanh(void)
00062 {
00063     FPU_DOUBLE(x);
00064     return tanh(x);
00065 }
00066 /*
00067  * @implemented
00068  */
00069 double  CDECL   _CIasin(void)
00070 {
00071     FPU_DOUBLE(x);
00072     return asin(x);
00073 }
00074 /*
00075  * @implemented
00076  */
00077 double  CDECL   _CIacos(void)
00078 {
00079     FPU_DOUBLE(x);
00080     return acos(x);
00081 }
00082 /*
00083  * @implemented
00084  */
00085 double  CDECL   _CIatan(void)
00086 {
00087     FPU_DOUBLE(x);
00088     return atan(x);
00089 }
00090 /*
00091  * @implemented
00092  */
00093 double  CDECL   _CIatan2(void)
00094 {
00095     FPU_DOUBLES(x, y);
00096     return atan2(x, y);
00097 }
00098 /*
00099  * @implemented
00100  */
00101 double  CDECL   _CIexp(void)
00102 {
00103     FPU_DOUBLE(x);
00104     return exp(x);
00105 }
00106 /*
00107  * @implemented
00108  */
00109 double  CDECL   _CIlog(void)
00110 {
00111     FPU_DOUBLE(x);
00112     return log(x);
00113 }
00114 /*
00115  * @implemented
00116  */
00117 double  CDECL   _CIlog10(void)
00118 {
00119     FPU_DOUBLE(x);
00120     return log10(x);
00121 }
00122 /*
00123  * @implemented
00124  */
00125 double  CDECL   _CIpow(void)
00126 {
00127     FPU_DOUBLES(x, y);
00128     return pow(x, y);
00129 }
00130 /*
00131  * @implemented
00132  */
00133 double  CDECL   _CIsqrt(void)
00134 {
00135     FPU_DOUBLE(x);
00136     return sqrt(x);
00137 }
00138 /*
00139  * @implemented
00140  */
00141 double  CDECL   _CIfmod(void)
00142 {
00143     FPU_DOUBLES(x, y);
00144     return fmod(x, y);
00145 }
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