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- /* +++Date last modified: 05-Jul-1997 */
- /*
- ** SNIPMATH.H - Header file for SNIPPETS math functions and macros
- */
- #ifndef SNIPMATH__H
- #define SNIPMATH__H
- #include <math.h>
- #include "benchmarks/basicmath/sniptype.h"
- #include "benchmarks/basicmath/round.h"
- /*
- ** Callable library functions begin here
- */
- void SetBCDLen(int n); /* Bcdl.C */
- long BCDtoLong(char *BCDNum); /* Bcdl.C */
- void LongtoBCD(long num, char BCDNum[]); /* Bcdl.C */
- double bcd_to_double(void *buf, size_t len, /* Bcdd.C */
- int digits);
- int double_to_bcd(double arg, char *buf, /* Bcdd.C */
- size_t length, size_t digits );
- DWORD ncomb1 (int n, int m); /* Combin.C */
- DWORD ncomb2 (int n, int m); /* Combin.C */
- void SolveCubic(double a, double b, double c, /* Cubic.C */
- double d, int *solutions,
- double *x);
- DWORD dbl2ulong(double t); /* Dbl2Long.C */
- long dbl2long(double t); /* Dbl2Long.C */
- double dround(double x); /* Dblround.C */
- /* Use #defines for Permutations and Combinations -- Factoryl.C */
- #define log10P(n,r) (log10factorial(n)-log10factorial((n)-(r)))
- #define log10C(n,r) (log10P((n),(r))-log10factorial(r))
- double log10factorial(double N); /* Factoryl.C */
- double fibo(unsigned short term); /* Fibo.C */
- double frandom(int n); /* Frand.C */
- double ipow(double x, int n); /* Ipow.C */
- int ispow2(int x); /* Ispow2.C */
- long double ldfloor(long double a); /* Ldfloor.C */
- int initlogscale(long dmax, long rmax); /* Logscale.C */
- long logscale(long d); /* Logscale.C */
- float MSBINToIEEE(float f); /* Msb2Ieee.C */
- float IEEEToMSBIN(float f); /* Msb2Ieee.C */
- int perm_index (char pit[], int size); /* Perm_Idx.C */
- int round_div(int n, int d); /* Rnd_Div.C */
- long round_ldiv(long n, long d); /* Rnd_Div.C */
- double rad2deg(double rad); /* Rad2Deg.C */
- double deg2rad(double deg); /* Rad2Deg.C */
- #include "pi.h"
- #ifndef PHI
- #define PHI ((1.0+sqrt(5.0))/2.0) /* the golden number */
- #define INV_PHI (1.0/PHI) /* the golden ratio */
- #endif
- /*
- ** File: ISQRT.C
- */
- struct int_sqrt {
- unsigned sqrt,
- frac;
- };
- void usqrt(unsigned long x, struct int_sqrt *q);
- #endif /* SNIPMATH__H */
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