C:/Active/libraries/cxutils/2.0/include/cxutils/math/cxmath.h
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00001 00002 00003 00004 00005 00006 00007 00008 00009 00010 00011 00012 00013 00014 00015 00016 00017 00018 00019 00020 00021 00022 00023 00024 00025 00026 00027 00028 00029 00030 00031 00032 00033 00034 00035 00036 00037 00038 00039 00040 #ifndef __CXUTILS_MATH_UTILITIES_H 00041 #define __CXUTILS_MATH_UTILITIES_H 00042 00043 #include <math.h> 00044 00045 #include "vector3d.h" 00046 #include "point3d.h" 00047 #include "segment3d.h" 00048 #include "matrix.h" 00049 #include "quaternion.h" 00050 #include "coordinates.h" 00051 00052 #define CX_DEG2RAD(deg) ((deg)*CxUtils::CX_PI_OVER_180) ///< Convert degrees to radians. 00053 #define CX_RAD2DEG(rad) ((rad)*CxUtils::CX_180_OVER_PI) ///< Convert radians to degrees. 00054 #define CX_ISNAN(x) ((x) != (x)) ///< Checks if the value is a number. 00055 #define CX_FLOAT_EQUAL(left, right, thresh)( fabs( left - right ) < thresh ) ///< Compare floating point numbers. 00056 00057 00058 namespace CxUtils 00059 { 00060 const double CX_PI = 3.14159265358979323846; 00061 const double CX_HALF_PI = 1.57079632679489661923; 00062 const double CX_FOURTH_PI = 0.785398163397448309615; 00063 const double CX_PI_OVER_180 = 0.0174532925199432957692222; 00064 const double CX_180_OVER_PI = 57.295779513082320876846364; 00065 const double CX_TWO_PI = 6.28318530717958647692; 00066 const double CX_EPSILON = .00000000000000000000001; 00067 00068 const double PI = 3.14159265358979323846; 00069 const double Epsilon = .00000000000000000000001; 00070 00080 inline double CxToRadians(const double deg) 00081 { 00082 return deg*CX_PI_OVER_180; 00083 } 00093 inline double CxToDegrees(const double rad) 00094 { 00095 return rad*CX_180_OVER_PI; 00096 } 00097 } 00098 00099 00100 00101 #endif 00102 /* End of File */
