diff options
Diffstat (limited to 'src/mathmodule.c')
| -rw-r--r-- | src/mathmodule.c | 170 |
1 files changed, 85 insertions, 85 deletions
diff --git a/src/mathmodule.c b/src/mathmodule.c index 3fa8d03..7b2bdf2 100644 --- a/src/mathmodule.c +++ b/src/mathmodule.c @@ -2,12 +2,12 @@ Copyright 1991 by Stichting Mathematisch Centrum, Amsterdam, The Netherlands. - All Rights Reserved + All Rights Reserved -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in +both that copyright notice and this permission notice appear in supporting documentation, and that the names of Stichting Mathematisch Centrum or CWI not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. @@ -37,74 +37,74 @@ extern int errno; static int getdoublearg(args, px) - register object *args; - double *px; + register object *args; + double *px; { - if (args == NULL) - return err_badarg(); - if (is_floatobject(args)) { - *px = getfloatvalue(args); - return 1; - } - if (is_intobject(args)) { - *px = getintvalue(args); - return 1; - } - return err_badarg(); + if (args == NULL) + return err_badarg(); + if (is_floatobject(args)) { + *px = getfloatvalue(args); + return 1; + } + if (is_intobject(args)) { + *px = getintvalue(args); + return 1; + } + return err_badarg(); } static int get2doublearg(args, px, py) - register object *args; - double *px, *py; + register object *args; + double *px, *py; { - if (args == NULL || !is_tupleobject(args) || gettuplesize(args) != 2) - return err_badarg(); - return getdoublearg(gettupleitem(args, 0), px) && - getdoublearg(gettupleitem(args, 1), py); + if (args == NULL || !is_tupleobject(args) || gettuplesize(args) != 2) + return err_badarg(); + return getdoublearg(gettupleitem(args, 0), px) && + getdoublearg(gettupleitem(args, 1), py); } static object * math_1(args, func) - object *args; - double (*func) FPROTO((double)); + object *args; + double (*func) FPROTO((double)); { - double x; - if (!getdoublearg(args, &x)) - return NULL; - errno = 0; - x = (*func)(x); - if (errno != 0) - return NULL; - else - return newfloatobject(x); + double x; + if (!getdoublearg(args, &x)) + return NULL; + errno = 0; + x = (*func)(x); + if (errno != 0) + return NULL; + else + return newfloatobject(x); } static object * math_2(args, func) - object *args; - double (*func) FPROTO((double, double)); + object *args; + double (*func) FPROTO((double, double)); { - double x, y; - if (!get2doublearg(args, &x, &y)) - return NULL; - errno = 0; - x = (*func)(x, y); - if (errno != 0) - return NULL; - else - return newfloatobject(x); + double x, y; + if (!get2doublearg(args, &x, &y)) + return NULL; + errno = 0; + x = (*func)(x, y); + if (errno != 0) + return NULL; + else + return newfloatobject(x); } #define FUNC1(stubname, func) \ - static object * stubname(self, args) object *self, *args; { \ - return math_1(args, func); \ - } + static object * stubname(self, args) object *self, *args; { \ + return math_1(args, func); \ + } #define FUNC2(stubname, func) \ - static object * stubname(self, args) object *self, *args; { \ - return math_2(args, func); \ - } + static object * stubname(self, args) object *self, *args; { \ + return math_2(args, func); \ + } FUNC1(math_acos, acos) FUNC1(math_asin, asin) @@ -131,50 +131,50 @@ FUNC1(math_tanh, tanh) #if 0 /* What about these? */ -double frexp(double x, int *i); -double ldexp(double x, int n); -double modf(double x, double *i); +double frexp(double x, int *i); +double ldexp(double x, int n); +double modf(double x, double *i); #endif static struct methodlist math_methods[] = { - {"acos", math_acos}, - {"asin", math_asin}, - {"atan", math_atan}, - {"atan2", math_atan2}, - {"ceil", math_ceil}, - {"cos", math_cos}, - {"cosh", math_cosh}, - {"exp", math_exp}, - {"fabs", math_fabs}, - {"floor", math_floor}, + {"acos", math_acos}, + {"asin", math_asin}, + {"atan", math_atan}, + {"atan2", math_atan2}, + {"ceil", math_ceil}, + {"cos", math_cos}, + {"cosh", math_cosh}, + {"exp", math_exp}, + {"fabs", math_fabs}, + {"floor", math_floor}, #if 0 - {"fmod", math_fmod}, - {"frexp", math_freqp}, - {"ldexp", math_ldexp}, + {"fmod", math_fmod}, + {"frexp", math_freqp}, + {"ldexp", math_ldexp}, #endif - {"log", math_log}, - {"log10", math_log10}, + {"log", math_log}, + {"log10", math_log10}, #if 0 - {"modf", math_modf}, + {"modf", math_modf}, #endif - {"pow", math_pow}, - {"sin", math_sin}, - {"sinh", math_sinh}, - {"sqrt", math_sqrt}, - {"tan", math_tan}, - {"tanh", math_tanh}, - {NULL, NULL} /* sentinel */ + {"pow", math_pow}, + {"sin", math_sin}, + {"sinh", math_sinh}, + {"sqrt", math_sqrt}, + {"tan", math_tan}, + {"tanh", math_tanh}, + {NULL, NULL} /* sentinel */ }; void initmath() { - object *m, *d, *v; - - m = initmodule("math", math_methods); - d = getmoduledict(m); - dictinsert(d, "pi", v = newfloatobject(atan(1.0) * 4.0)); - DECREF(v); - dictinsert(d, "e", v = newfloatobject(exp(1.0))); - DECREF(v); + object *m, *d, *v; + + m = initmodule("math", math_methods); + d = getmoduledict(m); + dictinsert(d, "pi", v = newfloatobject(atan(1.0) * 4.0)); + DECREF(v); + dictinsert(d, "e", v = newfloatobject(exp(1.0))); + DECREF(v); } |