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Diffstat (limited to 'libm/double/dtestvec.c')
-rw-r--r-- | libm/double/dtestvec.c | 543 |
1 files changed, 0 insertions, 543 deletions
diff --git a/libm/double/dtestvec.c b/libm/double/dtestvec.c deleted file mode 100644 index ea494029b..000000000 --- a/libm/double/dtestvec.c +++ /dev/null @@ -1,543 +0,0 @@ - -/* Test vectors for math functions. - See C9X section F.9. */ -/* -Cephes Math Library Release 2.8: June, 2000 -Copyright 1998, 2000 by Stephen L. Moshier -*/ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -int isfinite (double); - -/* C9X spells lgam lgamma. */ -#define GLIBC2 0 - -extern double PI; -static double MPI, PIO2, MPIO2, PIO4, MPIO4, THPIO4, MTHPIO4; - -#if 0 -#define PI 3.141592653589793238463E0 -#define PIO2 1.570796326794896619231E0 -#define PIO4 7.853981633974483096157E-1 -#define THPIO4 2.35619449019234492884698 -#define SQRT2 1.414213562373095048802E0 -#define SQRTH 7.071067811865475244008E-1 -#define INF (1.0/0.0) -#define MINF (-1.0/0.0) -#endif - -extern double MACHEP, SQRTH, SQRT2; -extern double NAN, INFINITY, NEGZERO; -static double INF, MINF; -static double ZERO, MZERO, HALF, MHALF, ONE, MONE, TWO, MTWO, THREE, MTHREE; -/* #define NAN (1.0/0.0 - 1.0/0.0) */ - -/* Functions of one variable. */ -double log (double); -double exp ( double); -double atan (double); -double sin (double); -double cos (double); -double tan (double); -double acos (double); -double asin (double); -double acosh (double); -double asinh (double); -double atanh (double); -double sinh (double); -double cosh (double); -double tanh (double); -double exp2 (double); -double expm1 (double); -double log10 (double); -double log1p (double); -double log2 (double); -double fabs (double); -double erf (double); -double erfc (double); -double gamma (double); -double floor (double); -double ceil (double); -double cbrt (double); -#if GLIBC2 -double lgamma (double); -#else -double lgam (double); -#endif - -struct oneargument - { - char *name; /* Name of the function. */ - double (*func) (double); - double *arg1; - double *answer; - int thresh; /* Error report threshold. */ - }; - -struct oneargument test1[] = -{ - {"atan", atan, &ONE, &PIO4, 0}, - {"sin", sin, &PIO2, &ONE, 0}, -#if 0 - {"cos", cos, &PIO4, &SQRTH, 0}, - {"sin", sin, 32767., 1.8750655394138942394239E-1, 0}, - {"cos", cos, 32767., 9.8226335176928229845654E-1, 0}, - {"tan", tan, 32767., 1.9089234430221485740826E-1, 0}, - {"sin", sin, 8388607., 9.9234509376961249835628E-1, 0}, - {"cos", cos, 8388607., -1.2349580912475928183718E-1, 0}, - {"tan", tan, 8388607., -8.0354556223613614748329E0, 0}, - /* - {"sin", sin, 2147483647., -7.2491655514455639054829E-1, 0}, - {"cos", cos, 2147483647., -6.8883669187794383467976E-1, 0}, - {"tan", tan, 2147483647., 1.0523779637351339136698E0, 0}, - */ - {"cos", cos, &PIO2, 6.1232339957367574e-17, 1}, - {"sin", sin, &PIO4, &SQRTH, 1}, -#endif - {"acos", acos, &NAN, &NAN, 0}, - {"acos", acos, &ONE, &ZERO, 0}, - {"acos", acos, &TWO, &NAN, 0}, - {"acos", acos, &MTWO, &NAN, 0}, - {"asin", asin, &NAN, &NAN, 0}, - {"asin", asin, &ZERO, &ZERO, 0}, - {"asin", asin, &MZERO, &MZERO, 0}, - {"asin", asin, &TWO, &NAN, 0}, - {"asin", asin, &MTWO, &NAN, 0}, - {"atan", atan, &NAN, &NAN, 0}, - {"atan", atan, &ZERO, &ZERO, 0}, - {"atan", atan, &MZERO, &MZERO, 0}, - {"atan", atan, &INF, &PIO2, 0}, - {"atan", atan, &MINF, &MPIO2, 0}, - {"cos", cos, &NAN, &NAN, 0}, - {"cos", cos, &ZERO, &ONE, 0}, - {"cos", cos, &MZERO, &ONE, 0}, - {"cos", cos, &INF, &NAN, 0}, - {"cos", cos, &MINF, &NAN, 0}, - {"sin", sin, &NAN, &NAN, 0}, - {"sin", sin, &MZERO, &MZERO, 0}, - {"sin", sin, &ZERO, &ZERO, 0}, - {"sin", sin, &INF, &NAN, 0}, - {"sin", sin, &MINF, &NAN, 0}, - {"tan", tan, &NAN, &NAN, 0}, - {"tan", tan, &ZERO, &ZERO, 0}, - {"tan", tan, &MZERO, &MZERO, 0}, - {"tan", tan, &INF, &NAN, 0}, - {"tan", tan, &MINF, &NAN, 0}, - {"acosh", acosh, &NAN, &NAN, 0}, - {"acosh", acosh, &ONE, &ZERO, 0}, - {"acosh", acosh, &INF, &INF, 0}, - {"acosh", acosh, &HALF, &NAN, 0}, - {"acosh", acosh, &MONE, &NAN, 0}, - {"asinh", asinh, &NAN, &NAN, 0}, - {"asinh", asinh, &ZERO, &ZERO, 0}, - {"asinh", asinh, &MZERO, &MZERO, 0}, - {"asinh", asinh, &INF, &INF, 0}, - {"asinh", asinh, &MINF, &MINF, 0}, - {"atanh", atanh, &NAN, &NAN, 0}, - {"atanh", atanh, &ZERO, &ZERO, 0}, - {"atanh", atanh, &MZERO, &MZERO, 0}, - {"atanh", atanh, &ONE, &INF, 0}, - {"atanh", atanh, &MONE, &MINF, 0}, - {"atanh", atanh, &TWO, &NAN, 0}, - {"atanh", atanh, &MTWO, &NAN, 0}, - {"cosh", cosh, &NAN, &NAN, 0}, - {"cosh", cosh, &ZERO, &ONE, 0}, - {"cosh", cosh, &MZERO, &ONE, 0}, - {"cosh", cosh, &INF, &INF, 0}, - {"cosh", cosh, &MINF, &INF, 0}, - {"sinh", sinh, &NAN, &NAN, 0}, - {"sinh", sinh, &ZERO, &ZERO, 0}, - {"sinh", sinh, &MZERO, &MZERO, 0}, - {"sinh", sinh, &INF, &INF, 0}, - {"sinh", sinh, &MINF, &MINF, 0}, - {"tanh", tanh, &NAN, &NAN, 0}, - {"tanh", tanh, &ZERO, &ZERO, 0}, - {"tanh", tanh, &MZERO, &MZERO, 0}, - {"tanh", tanh, &INF, &ONE, 0}, - {"tanh", tanh, &MINF, &MONE, 0}, - {"exp", exp, &NAN, &NAN, 0}, - {"exp", exp, &ZERO, &ONE, 0}, - {"exp", exp, &MZERO, &ONE, 0}, - {"exp", exp, &INF, &INF, 0}, - {"exp", exp, &MINF, &ZERO, 0}, -#if !GLIBC2 - {"exp2", exp2, &NAN, &NAN, 0}, - {"exp2", exp2, &ZERO, &ONE, 0}, - {"exp2", exp2, &MZERO, &ONE, 0}, - {"exp2", exp2, &INF, &INF, 0}, - {"exp2", exp2, &MINF, &ZERO, 0}, -#endif - {"expm1", expm1, &NAN, &NAN, 0}, - {"expm1", expm1, &ZERO, &ZERO, 0}, - {"expm1", expm1, &MZERO, &MZERO, 0}, - {"expm1", expm1, &INF, &INF, 0}, - {"expm1", expm1, &MINF, &MONE, 0}, - {"log", log, &NAN, &NAN, 0}, - {"log", log, &ZERO, &MINF, 0}, - {"log", log, &MZERO, &MINF, 0}, - {"log", log, &ONE, &ZERO, 0}, - {"log", log, &MONE, &NAN, 0}, - {"log", log, &INF, &INF, 0}, - {"log10", log10, &NAN, &NAN, 0}, - {"log10", log10, &ZERO, &MINF, 0}, - {"log10", log10, &MZERO, &MINF, 0}, - {"log10", log10, &ONE, &ZERO, 0}, - {"log10", log10, &MONE, &NAN, 0}, - {"log10", log10, &INF, &INF, 0}, - {"log1p", log1p, &NAN, &NAN, 0}, - {"log1p", log1p, &ZERO, &ZERO, 0}, - {"log1p", log1p, &MZERO, &MZERO, 0}, - {"log1p", log1p, &MONE, &MINF, 0}, - {"log1p", log1p, &MTWO, &NAN, 0}, - {"log1p", log1p, &INF, &INF, 0}, -#if !GLIBC2 - {"log2", log2, &NAN, &NAN, 0}, - {"log2", log2, &ZERO, &MINF, 0}, - {"log2", log2, &MZERO, &MINF, 0}, - {"log2", log2, &MONE, &NAN, 0}, - {"log2", log2, &INF, &INF, 0}, -#endif - /* {"fabs", fabs, NAN, NAN, 0}, */ - {"fabs", fabs, &ONE, &ONE, 0}, - {"fabs", fabs, &MONE, &ONE, 0}, - {"fabs", fabs, &ZERO, &ZERO, 0}, - {"fabs", fabs, &MZERO, &ZERO, 0}, - {"fabs", fabs, &INF, &INF, 0}, - {"fabs", fabs, &MINF, &INF, 0}, - {"cbrt", cbrt, &NAN, &NAN, 0}, - {"cbrt", cbrt, &ZERO, &ZERO, 0}, - {"cbrt", cbrt, &MZERO, &MZERO, 0}, - {"cbrt", cbrt, &INF, &INF, 0}, - {"cbrt", cbrt, &MINF, &MINF, 0}, - {"erf", erf, &NAN, &NAN, 0}, - {"erf", erf, &ZERO, &ZERO, 0}, - {"erf", erf, &MZERO, &MZERO, 0}, - {"erf", erf, &INF, &ONE, 0}, - {"erf", erf, &MINF, &MONE, 0}, - {"erfc", erfc, &NAN, &NAN, 0}, - {"erfc", erfc, &INF, &ZERO, 0}, - {"erfc", erfc, &MINF, &TWO, 0}, - {"gamma", gamma, &NAN, &NAN, 0}, - {"gamma", gamma, &INF, &INF, 0}, - {"gamma", gamma, &MONE, &NAN, 0}, - {"gamma", gamma, &ZERO, &NAN, 0}, - {"gamma", gamma, &MINF, &NAN, 0}, -#if GLIBC2 - {"lgamma", lgamma, &NAN, &NAN, 0}, - {"lgamma", lgamma, &INF, &INF, 0}, - {"lgamma", lgamma, &MONE, &INF, 0}, - {"lgamma", lgamma, &ZERO, &INF, 0}, - {"lgamma", lgamma, &MINF, &INF, 0}, -#else - {"lgam", lgam, &NAN, &NAN, 0}, - {"lgam", lgam, &INF, &INF, 0}, - {"lgam", lgam, &MONE, &INF, 0}, - {"lgam", lgam, &ZERO, &INF, 0}, - {"lgam", lgam, &MINF, &INF, 0}, -#endif - {"ceil", ceil, &NAN, &NAN, 0}, - {"ceil", ceil, &ZERO, &ZERO, 0}, - {"ceil", ceil, &MZERO, &MZERO, 0}, - {"ceil", ceil, &INF, &INF, 0}, - {"ceil", ceil, &MINF, &MINF, 0}, - {"floor", floor, &NAN, &NAN, 0}, - {"floor", floor, &ZERO, &ZERO, 0}, - {"floor", floor, &MZERO, &MZERO, 0}, - {"floor", floor, &INF, &INF, 0}, - {"floor", floor, &MINF, &MINF, 0}, - {"null", NULL, &ZERO, &ZERO, 0}, -}; - -/* Functions of two variables. */ -double atan2 (double, double); -double pow (double, double); - -struct twoarguments - { - char *name; /* Name of the function. */ - double (*func) (double, double); - double *arg1; - double *arg2; - double *answer; - int thresh; - }; - -struct twoarguments test2[] = -{ - {"atan2", atan2, &ZERO, &ONE, &ZERO, 0}, - {"atan2", atan2, &MZERO, &ONE, &MZERO, 0}, - {"atan2", atan2, &ZERO, &ZERO, &ZERO, 0}, - {"atan2", atan2, &MZERO, &ZERO, &MZERO, 0}, - {"atan2", atan2, &ZERO, &MONE, &PI, 0}, - {"atan2", atan2, &MZERO, &MONE, &MPI, 0}, - {"atan2", atan2, &ZERO, &MZERO, &PI, 0}, - {"atan2", atan2, &MZERO, &MZERO, &MPI, 0}, - {"atan2", atan2, &ONE, &ZERO, &PIO2, 0}, - {"atan2", atan2, &ONE, &MZERO, &PIO2, 0}, - {"atan2", atan2, &MONE, &ZERO, &MPIO2, 0}, - {"atan2", atan2, &MONE, &MZERO, &MPIO2, 0}, - {"atan2", atan2, &ONE, &INF, &ZERO, 0}, - {"atan2", atan2, &MONE, &INF, &MZERO, 0}, - {"atan2", atan2, &INF, &ONE, &PIO2, 0}, - {"atan2", atan2, &INF, &MONE, &PIO2, 0}, - {"atan2", atan2, &MINF, &ONE, &MPIO2, 0}, - {"atan2", atan2, &MINF, &MONE, &MPIO2, 0}, - {"atan2", atan2, &ONE, &MINF, &PI, 0}, - {"atan2", atan2, &MONE, &MINF, &MPI, 0}, - {"atan2", atan2, &INF, &INF, &PIO4, 0}, - {"atan2", atan2, &MINF, &INF, &MPIO4, 0}, - {"atan2", atan2, &INF, &MINF, &THPIO4, 0}, - {"atan2", atan2, &MINF, &MINF, &MTHPIO4, 0}, - {"atan2", atan2, &ONE, &ONE, &PIO4, 0}, - {"atan2", atan2, &NAN, &ONE, &NAN, 0}, - {"atan2", atan2, &ONE, &NAN, &NAN, 0}, - {"atan2", atan2, &NAN, &NAN, &NAN, 0}, - {"pow", pow, &ONE, &ZERO, &ONE, 0}, - {"pow", pow, &ONE, &MZERO, &ONE, 0}, - {"pow", pow, &MONE, &ZERO, &ONE, 0}, - {"pow", pow, &MONE, &MZERO, &ONE, 0}, - {"pow", pow, &INF, &ZERO, &ONE, 0}, - {"pow", pow, &INF, &MZERO, &ONE, 0}, - {"pow", pow, &NAN, &ZERO, &ONE, 0}, - {"pow", pow, &NAN, &MZERO, &ONE, 0}, - {"pow", pow, &TWO, &INF, &INF, 0}, - {"pow", pow, &MTWO, &INF, &INF, 0}, - {"pow", pow, &HALF, &INF, &ZERO, 0}, - {"pow", pow, &MHALF, &INF, &ZERO, 0}, - {"pow", pow, &TWO, &MINF, &ZERO, 0}, - {"pow", pow, &MTWO, &MINF, &ZERO, 0}, - {"pow", pow, &HALF, &MINF, &INF, 0}, - {"pow", pow, &MHALF, &MINF, &INF, 0}, - {"pow", pow, &INF, &HALF, &INF, 0}, - {"pow", pow, &INF, &TWO, &INF, 0}, - {"pow", pow, &INF, &MHALF, &ZERO, 0}, - {"pow", pow, &INF, &MTWO, &ZERO, 0}, - {"pow", pow, &MINF, &THREE, &MINF, 0}, - {"pow", pow, &MINF, &TWO, &INF, 0}, - {"pow", pow, &MINF, &MTHREE, &MZERO, 0}, - {"pow", pow, &MINF, &MTWO, &ZERO, 0}, - {"pow", pow, &NAN, &ONE, &NAN, 0}, - {"pow", pow, &ONE, &NAN, &NAN, 0}, - {"pow", pow, &NAN, &NAN, &NAN, 0}, - {"pow", pow, &ONE, &INF, &NAN, 0}, - {"pow", pow, &MONE, &INF, &NAN, 0}, - {"pow", pow, &ONE, &MINF, &NAN, 0}, - {"pow", pow, &MONE, &MINF, &NAN, 0}, - {"pow", pow, &MTWO, &HALF, &NAN, 0}, - {"pow", pow, &ZERO, &MTHREE, &INF, 0}, - {"pow", pow, &MZERO, &MTHREE, &MINF, 0}, - {"pow", pow, &ZERO, &MHALF, &INF, 0}, - {"pow", pow, &MZERO, &MHALF, &INF, 0}, - {"pow", pow, &ZERO, &THREE, &ZERO, 0}, - {"pow", pow, &MZERO, &THREE, &MZERO, 0}, - {"pow", pow, &ZERO, &HALF, &ZERO, 0}, - {"pow", pow, &MZERO, &HALF, &ZERO, 0}, - {"null", NULL, &ZERO, &ZERO, &ZERO, 0}, -}; - -/* Integer functions of one variable. */ - -int isnan (double); -int signbit (double); - -struct intans - { - char *name; /* Name of the function. */ - int (*func) (double); - double *arg1; - int ianswer; - }; - -struct intans test3[] = -{ - {"isfinite", isfinite, &ZERO, 1}, - {"isfinite", isfinite, &INF, 0}, - {"isfinite", isfinite, &MINF, 0}, - {"isnan", isnan, &NAN, 1}, - {"isnan", isnan, &INF, 0}, - {"isnan", isnan, &ZERO, 0}, - {"isnan", isnan, &MZERO, 0}, - {"signbit", signbit, &MZERO, 1}, - {"signbit", signbit, &MONE, 1}, - {"signbit", signbit, &ZERO, 0}, - {"signbit", signbit, &ONE, 0}, - {"signbit", signbit, &MINF, 1}, - {"signbit", signbit, &INF, 0}, - {"null", NULL, &ZERO, 0}, -}; - -static volatile double x1; -static volatile double x2; -static volatile double y; -static volatile double answer; - -void -pvec(x) -double x; -{ - union - { - double d; - unsigned short s[4]; - } u; - int i; - - u.d = x; - for (i = 0; i < 4; i++) - printf ("0x%04x ", u.s[i]); - printf ("\n"); -} - - -int -main () -{ - int i, nerrors, k, ianswer, ntests; - double (*fun1) (double); - double (*fun2) (double, double); - int (*fun3) (double); - double e; - union - { - double d; - char c[8]; - } u, v; - - ZERO = 0.0; - MZERO = NEGZERO; - HALF = 0.5; - MHALF = -HALF; - ONE = 1.0; - MONE = -ONE; - TWO = 2.0; - MTWO = -TWO; - THREE = 3.0; - MTHREE = -THREE; - INF = INFINITY; - MINF = -INFINITY; - MPI = -PI; - PIO2 = 0.5 * PI; - MPIO2 = -PIO2; - PIO4 = 0.5 * PIO2; - MPIO4 = -PIO4; - THPIO4 = 3.0 * PIO4; - MTHPIO4 = -THPIO4; - - nerrors = 0; - ntests = 0; - i = 0; - for (;;) - { - fun1 = test1[i].func; - if (fun1 == NULL) - break; - x1 = *(test1[i].arg1); - y = (*(fun1)) (x1); - answer = *(test1[i].answer); - if (test1[i].thresh == 0) - { - v.d = answer; - u.d = y; - if (memcmp(u.c, v.c, 8) != 0) - { - if( isnan(v.d) && isnan(u.d) ) - goto nxttest1; - goto wrongone; - } - else - goto nxttest1; - } - if (y != answer) - { - e = y - answer; - if (answer != 0.0) - e = e / answer; - if (e < 0) - e = -e; - if (e > test1[i].thresh * MACHEP) - { -wrongone: - printf ("%s (%.16e) = %.16e\n should be %.16e\n", - test1[i].name, x1, y, answer); - nerrors += 1; - } - } -nxttest1: - ntests += 1; - i += 1; - } - - i = 0; - for (;;) - { - fun2 = test2[i].func; - if (fun2 == NULL) - break; - x1 = *(test2[i].arg1); - x2 = *(test2[i].arg2); - y = (*(fun2)) (x1, x2); - answer = *(test2[i].answer); - if (test2[i].thresh == 0) - { - v.d = answer; - u.d = y; - if (memcmp(u.c, v.c, 8) != 0) - { - if( isnan(v.d) && isnan(u.d) ) - goto nxttest2; -#if 0 - if( isnan(v.d) ) - pvec(v.d); - if( isnan(u.d) ) - pvec(u.d); -#endif - goto wrongtwo; - } - else - goto nxttest2; - } - if (y != answer) - { - e = y - answer; - if (answer != 0.0) - e = e / answer; - if (e < 0) - e = -e; - if (e > test2[i].thresh * MACHEP) - { -wrongtwo: - printf ("%s (%.16e, %.16e) = %.16e\n should be %.16e\n", - test2[i].name, x1, x2, y, answer); - nerrors += 1; - } - } -nxttest2: - ntests += 1; - i += 1; - } - - - i = 0; - for (;;) - { - fun3 = test3[i].func; - if (fun3 == NULL) - break; - x1 = *(test3[i].arg1); - k = (*(fun3)) (x1); - ianswer = test3[i].ianswer; - if (k != ianswer) - { - printf ("%s (%.16e) = %d\n should be. %d\n", - test3[i].name, x1, k, ianswer); - nerrors += 1; - } - ntests += 1; - i += 1; - } - - printf ("testvect: %d errors in %d tests\n", nerrors, ntests); - exit (0); -} |