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camthesaxman
57 lines
1.0 KiB
C
57 lines
1.0 KiB
C
#ifndef _MATH_H_
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#define _MATH_H_
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// stop gcc from complaining
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#ifndef __MWERKS__
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extern int __abs(int);
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extern float __fabs(float);
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extern float __frsqrte(float);
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#endif
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#define NAN (0.0f / 0.0f)
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#define HUGE_VALF (1.0f / 0.0f)
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#define INFINITY (1.0f / 0.0f)
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#define FLT_EPSILON 1.1920928955078125e-07f
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double fabs(double x);
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double sin(double x);
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double cos(double x);
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float sinf(float x);
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float acosf(float x);
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double ldexp(double x, int exp);
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inline int abs(int n) { return(__abs(n)); }
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double scalbn(double x, int n);
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double copysign(double x, double y);
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double floor (double x);
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double fabs(double x);
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#ifdef __MWERKS__
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#pragma cplusplus on
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#endif
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long __fpclassifyf(float x);
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long __fpclassifyd(double x);
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#define FP_NAN 1
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#define FP_INFINITE 2
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#define FP_ZERO 3
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#define FP_NORMAL 4
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#define FP_SUBNORMAL 5
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#define fpclassify(x) (sizeof(x) == sizeof(float) ? __fpclassifyf((float)(x)) : __fpclassifyd((double)(x)))
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#define isfinite(x) ((fpclassify(x) > FP_INFINITE))
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#ifdef __MWERKS__
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#pragma cplusplus reset
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#endif
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#endif
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