#ifndef __MATH#define __MATH#pragma lib "/$M/lib/ape/libap.a" /* a HUGE_VAL appropriate for IEEE double-precision *//* the correct value, 1.797693134862316e+308, causes a ken overflow */#define HUGE_VAL 1.79769313486231e+308 #ifdef __cplusplusextern "C" {#endif extern double acos(double);extern double asin(double);extern double atan(double);extern double atan2(double, double);extern double cos(double);extern double hypot(double, double);extern double sin(double);extern double tan(double);extern double cosh(double);extern double sinh(double);extern double tanh(double);extern double exp(double);extern double frexp(double, int *);extern double ldexp(double, int);extern double log(double);extern double log10(double);extern double modf(double, double *);extern double pow(double, double);extern double sqrt(double);extern double ceil(double);extern double fabs(double);extern double floor(double);extern double fmod(double, double);extern double NaN(void);extern int isNaN(double);extern double Inf(int);extern int isInf(double, int); #ifdef _RESEARCH_SOURCE/* does >> treat left operand as unsigned ? */#define Unsigned_Shifts 1#define	M_E		2.7182818284590452354	/* e */#define	M_LOG2E		1.4426950408889634074	/* log 2e */#define	M_LOG10E	0.43429448190325182765	/* log 10e */#define	M_LN2		0.69314718055994530942	/* log e2 */#define	M_LN10		2.30258509299404568402	/* log e10 */#define	M_PI		3.14159265358979323846	/* pi */#define	M_PI_2		1.57079632679489661923	/* pi/2 */#define	M_PI_4		0.78539816339744830962	/* pi/4 */#define	M_1_PI		0.31830988618379067154	/* 1/pi */#define	M_2_PI		0.63661977236758134308	/* 2/pi */#define	M_2_SQRTPI	1.12837916709551257390	/* 2/sqrt(pi) */#define	M_SQRT2		1.41421356237309504880	/* sqrt(2) */#define	M_SQRT1_2	0.70710678118654752440	/* 1/sqrt(2) */ extern double hypot(double, double);extern double erf(double);extern double erfc(double);extern double j0(double);extern double y0(double);extern double j1(double);extern double y1(double);extern double jn(int, double);extern double yn(int, double); #endif  #ifdef __cplusplus}#endif #define isnan(x) isNaN(x)#define isinf(x) isInf(x, 0) #endif /* __MATH */