1 #ifndef __MATH 2 #define __MATH 3 #pragma lib "/$M/lib/ape/libap.a" 4 5 /* a HUGE_VAL appropriate for IEEE double-precision */ 6 /* the correct value, 1.797693134862316e+308, causes a ken overflow */ 7 #define HUGE_VAL 1.79769313486231e+308 8 9 #ifdef __cplusplus 10 extern "C" { 11 #endif 12 13 extern double acos(double); 14 extern double asin(double); 15 extern double atan(double); 16 extern double atan2(double, double); 17 extern double cos(double); 18 extern double hypot(double, double); 19 extern double sin(double); 20 extern double tan(double); 21 extern double cosh(double); 22 extern double sinh(double); 23 extern double tanh(double); 24 extern double exp(double); 25 extern double frexp(double, int *); 26 extern double ldexp(double, int); 27 extern double log(double); 28 extern double log10(double); 29 extern double modf(double, double *); 30 extern double pow(double, double); 31 extern double sqrt(double); 32 extern double ceil(double); 33 extern double fabs(double); 34 extern double floor(double); 35 extern double fmod(double, double); 36 extern double NaN(void); 37 extern int isNaN(double); 38 extern double Inf(int); 39 extern int isInf(double, int); 40 41 #ifdef _RESEARCH_SOURCE 42 /* does >> treat left operand as unsigned ? */ 43 #define Unsigned_Shifts 1 44 #define M_E 2.7182818284590452354 /* e */ 45 #define M_LOG2E 1.4426950408889634074 /* log 2e */ 46 #define M_LOG10E 0.43429448190325182765 /* log 10e */ 47 #define M_LN2 0.69314718055994530942 /* log e2 */ 48 #define M_LN10 2.30258509299404568402 /* log e10 */ 49 #define M_PI 3.14159265358979323846 /* pi */ 50 #define M_PI_2 1.57079632679489661923 /* pi/2 */ 51 #define M_PI_4 0.78539816339744830962 /* pi/4 */ 52 #define M_1_PI 0.31830988618379067154 /* 1/pi */ 53 #define M_2_PI 0.63661977236758134308 /* 2/pi */ 54 #define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */ 55 #define M_SQRT2 1.41421356237309504880 /* sqrt(2) */ 56 #define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */ 57 58 extern double hypot(double, double); 59 extern double erf(double); 60 extern double erfc(double); 61 extern double j0(double); 62 extern double y0(double); 63 extern double j1(double); 64 extern double y1(double); 65 extern double jn(int, double); 66 extern double yn(int, double); 67 68 #endif 69 70 71 #ifdef __cplusplus 72 } 73 #endif 74 75 #define isnan(x) isNaN(x) 76 #define isinf(x) isInf(x, 0) 77 78 #endif /* __MATH */ 79