79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file cmath.h
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* @author drose
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* @date 2000-05-19
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*/
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#ifndef CMATH_H
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#define CMATH_H
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// This file declares a number of C++-style overloading wrappers around the
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// standard math library functions, so we can use overloading to differentiate
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// on type instead of having to know explicitly whether we need to call, for
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// instance, sqrtf() or sqrt().
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#include "dtoolbase.h"
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#include <cmath>
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#include <cfloat>
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#include <limits>
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INLINE float csqrt(float v);
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INLINE float csin(float v);
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INLINE float ccos(float v);
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INLINE float ctan(float v);
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INLINE void csincos(float v, float *sin_result, float *cos_result);
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INLINE float csin_over_x(float v);
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INLINE float cabs(float v);
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INLINE float catan(float v);
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INLINE float catan2(float y, float x);
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INLINE float casin(float v);
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INLINE float cacos(float v);
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INLINE float cmod(float x, float y);
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INLINE float cpow(float x, float y);
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INLINE double cfloor(double f);
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INLINE double cceil(double f);
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INLINE double cfrac(double f);
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INLINE double csqrt(double v);
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INLINE double csin(double v);
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INLINE double ccos(double v);
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INLINE double ctan(double v);
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INLINE void csincos(double v, double *sin_result, double *cos_result);
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INLINE double cabs(double v);
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INLINE double catan(double v);
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INLINE double catan2(double y, double x);
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INLINE double casin(double v);
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INLINE double cacos(double v);
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INLINE double cmod(double x, double y);
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INLINE double cpow(double x, double y);
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INLINE int cpow(int x, int y);
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// Returns true if the number is NaN, false if it's a genuine number or
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// infinity.
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INLINE bool cnan(float v);
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INLINE bool cnan(double v);
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// Returns true if the number is infinity.
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INLINE bool cinf(float v);
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INLINE bool cinf(double v);
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// Return NaN and infinity, respectively.
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INLINE float make_nan(float);
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INLINE double make_nan(double);
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INLINE float make_inf(float);
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INLINE double make_inf(double);
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INLINE int cmod(int x, int y);
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#include "cmath.I"
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#endif
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