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Matched m449Dll

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dbalatoni13 2025-01-02 22:16:47 +01:00
parent de74939495
commit 9a079616c9
4 changed files with 2272 additions and 176 deletions
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94
include/math.h
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@ -7,24 +7,50 @@
#define _MATH_INLINE static inline
#endif
extern int __float_nan[];
extern int __float_huge[];
extern int __double_huge[];
#define INFINITY (*(float *)__float_huge)
#define NAN (*(float *)__float_nan)
#define HUGE_VAL (*(double *)__double_huge)
#ifdef __MWERKS__
extern inline double sqrt(double x)
{
if (x > 0.0) {
double guess = __frsqrte(x); /* returns an approximation to */
guess = .5 * guess * (3.0 - guess * guess * x); /* now have 8 sig bits */
guess = .5 * guess * (3.0 - guess * guess * x); /* now have 16 sig bits */
guess = .5 * guess * (3.0 - guess * guess * x); /* now have 32 sig bits */
guess = .5 * guess * (3.0 - guess * guess * x); /* now have > 53 sig bits */
return x * guess;
}
else if (x == 0)
return 0;
else if (x)
return NAN;
return INFINITY;
}
extern inline float sqrtf(float x)
{
static const double _half = .5;
static const double _three = 3.0;
volatile float y;
if (x > 0.0f)
{
double guess = __frsqrte((double)x); // returns an approximation to
guess = _half*guess*(_three - guess*guess*x); // now have 12 sig bits
guess = _half*guess*(_three - guess*guess*x); // now have 24 sig bits
guess = _half*guess*(_three - guess*guess*x); // now have 32 sig bits
y = (float)(x*guess);
return y ;
if (x > 0.0f) {
double guess = __frsqrte((double)x); // returns an approximation to
guess = _half * guess * (_three - guess * guess * x); // now have 12 sig bits
guess = _half * guess * (_three - guess * guess * x); // now have 24 sig bits
guess = _half * guess * (_three - guess * guess * x); // now have 32 sig bits
y = (float)(x * guess);
return y;
}
return x;
}
#else
double sqrt(double x);
float sqrtf(float x);
#endif
@ -48,24 +74,54 @@ float tanf(float x);
#ifdef __MWERKS__
extern inline double fabs(double x)
{
return __fabs(x);
return __fabs(x);
}
#else
double fabs(double x);
#endif
_MATH_INLINE float fabsf(float x) { return (float)fabs((double)x); }
_MATH_INLINE float sinf(float x) { return (float)sin((double)x); }
_MATH_INLINE float cosf(float x) { return (float)cos((double)x); }
_MATH_INLINE float atan2f(float y, float x) { return (float)atan2((double)y, (double)x); }
_MATH_INLINE float atanf(float x) { return (float)atan((double)x); }
_MATH_INLINE float asinf(float x) { return (float)asin((double)x); }
_MATH_INLINE float acosf(float x) { return (float)acos((double)x); }
_MATH_INLINE float fabsf(float x)
{
return (float)fabs((double)x);
}
_MATH_INLINE float sinf(float x)
{
return (float)sin((double)x);
}
_MATH_INLINE float cosf(float x)
{
return (float)cos((double)x);
}
_MATH_INLINE float atan2f(float y, float x)
{
return (float)atan2((double)y, (double)x);
}
_MATH_INLINE float atanf(float x)
{
return (float)atan((double)x);
}
_MATH_INLINE float asinf(float x)
{
return (float)asin((double)x);
}
_MATH_INLINE float acosf(float x)
{
return (float)acos((double)x);
}
_MATH_INLINE float fmodf(float x, float m) { return (float)fmod((double)x, (double)m); }
_MATH_INLINE float fmodf(float x, float m)
{
return (float)fmod((double)x, (double)m);
}
_MATH_INLINE float floorf(float x) { return floor(x); }
_MATH_INLINE float floorf(float x)
{
return floor(x);
}
_MATH_INLINE float powf(float __x, float __y) { return pow(__x, __y); }
_MATH_INLINE float powf(float __x, float __y)
{
return pow(__x, __y);
}
#endif