math.h File Reference

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Defines
#define	HUGE_VAL   1.79769313486231570000e+308
Functions
double	acos (double)
double	asin (double)
double	atan (double)
double	atan2 (double, double)
double	ceil (double)
double	cos (double)
double	cosh (double)
double	exp (double)
double	fabs (double)
double	floor (double)
double	fmod (double, double)
double	frexp (double, int *)
double	ldexp (double, int)
double	log (double)
double	log10 (double)
double	modf (double, double *)
double	pow (double, double)
double	sin (double)
double	sinh (double)
double	sqrt (double)
double	tan (double)
double	tanh (double)

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Define Documentation

#define HUGE_VAL   1.79769313486231570000e+308

Definition at line 4 of file math.h.

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Function Documentation

double acos (  double   )

double asin (  double   )

double atan (  double   )

double atan2 (  double  , double  )

double ceil (  double   )

double cos (  double   )

double cosh (  double   )

double exp (  double   )

double fabs (  double   )

double floor (  double   )

double fmod (  double  , double  )

double frexp (  double  , int *  )

double ldexp (  double  , int  )

double log (  double   )

double log10 (  double   )

double modf (  double  , double *  )

double pow (  double  , double  )

Definition at line 2176 of file paranoia.c. { extern double exp(), frexp(), ldexp(), log(), modf(); double xy, ye; long i; int ex, ey = 0, flip = 0; if (!y) return 1.0; if ((y < -1100. || y > 1100.) && x != -1.) return exp(y * log(x)); if (y < 0.) { y = -y; flip = 1; } y = modf(y, &ye); if (y) xy = exp(y * log(x)); else xy = 1.0; /* next several lines assume >= 32 bit integers */ x = frexp(x, &ex); if (i = ye) for(;;) { if (i & 1) { xy *= x; ey += ex; } if (!(i >>= 1)) break; x *= x; ex *= 2; if (x < .5) { x *= 2.; ex -= 1; } } if (flip) { xy = 1. / xy; ey = -ey; } return ldexp(xy, ey); }

double sin (  double   )

double sinh (  double   )

double sqrt (  double   )

double tan (  double   )

double tanh (  double   )

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