Trailing-Edge
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PDP-10 Archives
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SRI_NIC_PERM_FS_1_19910112
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kcc-5/include/math.h
There are 10 other files named math.h in the archive. Click here to see a list.
/*
* MATH.H - math library definitions
*/
extern double acos(), asin(), atan(), atan2(), ceil(), cos(), cosh();
extern double exp(), fabs(), floor(), fmod(), frexp(), ldexp(), log();
extern double log10(), modf(), pow(), sin(), sinh(), sqrt(), tan(), tanh();
extern long int labs();
extern int abs(), rand();
extern void srand();
/* Additional routines used by some of the above */
extern double _sign(), _xmant(), _poly();
extern int _xexp();
/* Define some commonly used constants */
#define TWOPI 6.2831853071795864769
#define PI 3.1415926535897932384
#define HALFPI 1.5707963267948966192
#define FOURTHPI 0.7853981633974483096
#define SIXTHPI 0.523598776
#define LOG2E 1.4426950408889634073
#define LOG10E 0.4342944819032518276
#define SQRT2 1.4142135623730950488
#define SQRT3 1.7320508075688772935
#define LN2 0.6931471805599453094
#define LNSQRT2 0.3465735902799726547
/* Some hardware-dependant constants */
#define MAX_POS_DBLF 1.7014118e38 /* Max positive double float */
#define MIN_POS_DBLF 1.4693680e-39 /* Min positive double float */
#define MAX_NEG_DBLF -1.7014118e38 /* Max negative double float */
#define MIN_NEG_DBLF -1.4693680e-39 /* Min negative double float */
#define MAX_EXPONENT 127 /* Max exponent allowed */
#define RECIP_MIN 5.877471e-39 /* MAX_POS_DBLF >= 1/RECIP_MIN */
#define RECIP_MAX 1.7014118e38 /* MIN_POS_DBLF <= 1/RECIP_MAX */
#define LN_MAXPOSDBL 88.0 /* LN(MAX_POS_DBLF) */
#define LN_MINPOSDBL -89.4 /* LN(MIN_POS_DBLF) */
#define TANH_MAXARG 16 /* |TANH(maxarg)| = 1.0 */
#define DSQRT_MPDF 1.304380e19 /* DSQRT(MAX_POS_DBLF) */
#define X6_UNDERFLOWS 3.37174e-7 /* X**6 almost underflows */
#define X16_UNDERFLOWS 3.74063e-3 /* X**16 almost underflows */