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author | siddhu8990 | 2017-06-20 15:26:40 +0530 |
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committer | siddhu8990 | 2017-06-20 15:26:40 +0530 |
commit | 633deb856914bd374d62b3fb3b63447bd81bc03c (patch) | |
tree | d1a0da837c4ba6ec87b071dcb4661abe087d92a1 /2.3-1/thirdparty/includes/GSL/gsl/gsl_rng.h | |
parent | 8031e1c2d3560523dc57da9f790ae4da39c796df (diff) | |
download | Scilab2C-633deb856914bd374d62b3fb3b63447bd81bc03c.tar.gz Scilab2C-633deb856914bd374d62b3fb3b63447bd81bc03c.tar.bz2 Scilab2C-633deb856914bd374d62b3fb3b63447bd81bc03c.zip |
Bug fixed for GSL library
Diffstat (limited to '2.3-1/thirdparty/includes/GSL/gsl/gsl_rng.h')
-rw-r--r-- | 2.3-1/thirdparty/includes/GSL/gsl/gsl_rng.h | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/2.3-1/thirdparty/includes/GSL/gsl/gsl_rng.h b/2.3-1/thirdparty/includes/GSL/gsl/gsl_rng.h new file mode 100644 index 00000000..4ec55911 --- /dev/null +++ b/2.3-1/thirdparty/includes/GSL/gsl/gsl_rng.h @@ -0,0 +1,217 @@ +/* rng/gsl_rng.h + * + * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2004, 2007 James Theiler, Brian Gough + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or (at + * your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef __GSL_RNG_H__ +#define __GSL_RNG_H__ +#include <stdlib.h> +#include <gsl/gsl_types.h> +#include <gsl/gsl_errno.h> +#include <gsl/gsl_inline.h> + +#undef __BEGIN_DECLS +#undef __END_DECLS +#ifdef __cplusplus +# define __BEGIN_DECLS extern "C" { +# define __END_DECLS } +#else +# define __BEGIN_DECLS /* empty */ +# define __END_DECLS /* empty */ +#endif + +__BEGIN_DECLS + +typedef struct + { + const char *name; + unsigned long int max; + unsigned long int min; + size_t size; + void (*set) (void *state, unsigned long int seed); + unsigned long int (*get) (void *state); + double (*get_double) (void *state); + } +gsl_rng_type; + +typedef struct + { + const gsl_rng_type * type; + void *state; + } +gsl_rng; + + +/* These structs also need to appear in default.c so you can select + them via the environment variable GSL_RNG_TYPE */ + +GSL_VAR const gsl_rng_type *gsl_rng_borosh13; +GSL_VAR const gsl_rng_type *gsl_rng_coveyou; +GSL_VAR const gsl_rng_type *gsl_rng_cmrg; +GSL_VAR const gsl_rng_type *gsl_rng_fishman18; +GSL_VAR const gsl_rng_type *gsl_rng_fishman20; +GSL_VAR const gsl_rng_type *gsl_rng_fishman2x; +GSL_VAR const gsl_rng_type *gsl_rng_gfsr4; +GSL_VAR const gsl_rng_type *gsl_rng_knuthran; +GSL_VAR const gsl_rng_type *gsl_rng_knuthran2; +GSL_VAR const gsl_rng_type *gsl_rng_knuthran2002; +GSL_VAR const gsl_rng_type *gsl_rng_lecuyer21; +GSL_VAR const gsl_rng_type *gsl_rng_minstd; +GSL_VAR const gsl_rng_type *gsl_rng_mrg; +GSL_VAR const gsl_rng_type *gsl_rng_mt19937; +GSL_VAR const gsl_rng_type *gsl_rng_mt19937_1999; +GSL_VAR const gsl_rng_type *gsl_rng_mt19937_1998; +GSL_VAR const gsl_rng_type *gsl_rng_r250; +GSL_VAR const gsl_rng_type *gsl_rng_ran0; +GSL_VAR const gsl_rng_type *gsl_rng_ran1; +GSL_VAR const gsl_rng_type *gsl_rng_ran2; +GSL_VAR const gsl_rng_type *gsl_rng_ran3; +GSL_VAR const gsl_rng_type *gsl_rng_rand; +GSL_VAR const gsl_rng_type *gsl_rng_rand48; +GSL_VAR const gsl_rng_type *gsl_rng_random128_bsd; +GSL_VAR const gsl_rng_type *gsl_rng_random128_glibc2; +GSL_VAR const gsl_rng_type *gsl_rng_random128_libc5; +GSL_VAR const gsl_rng_type *gsl_rng_random256_bsd; +GSL_VAR const gsl_rng_type *gsl_rng_random256_glibc2; +GSL_VAR const gsl_rng_type *gsl_rng_random256_libc5; +GSL_VAR const gsl_rng_type *gsl_rng_random32_bsd; +GSL_VAR const gsl_rng_type *gsl_rng_random32_glibc2; +GSL_VAR const gsl_rng_type *gsl_rng_random32_libc5; +GSL_VAR const gsl_rng_type *gsl_rng_random64_bsd; +GSL_VAR const gsl_rng_type *gsl_rng_random64_glibc2; +GSL_VAR const gsl_rng_type *gsl_rng_random64_libc5; +GSL_VAR const gsl_rng_type *gsl_rng_random8_bsd; +GSL_VAR const gsl_rng_type *gsl_rng_random8_glibc2; +GSL_VAR const gsl_rng_type *gsl_rng_random8_libc5; +GSL_VAR const gsl_rng_type *gsl_rng_random_bsd; +GSL_VAR const gsl_rng_type *gsl_rng_random_glibc2; +GSL_VAR const gsl_rng_type *gsl_rng_random_libc5; +GSL_VAR const gsl_rng_type *gsl_rng_randu; +GSL_VAR const gsl_rng_type *gsl_rng_ranf; +GSL_VAR const gsl_rng_type *gsl_rng_ranlux; +GSL_VAR const gsl_rng_type *gsl_rng_ranlux389; +GSL_VAR const gsl_rng_type *gsl_rng_ranlxd1; +GSL_VAR const gsl_rng_type *gsl_rng_ranlxd2; +GSL_VAR const gsl_rng_type *gsl_rng_ranlxs0; +GSL_VAR const gsl_rng_type *gsl_rng_ranlxs1; +GSL_VAR const gsl_rng_type *gsl_rng_ranlxs2; +GSL_VAR const gsl_rng_type *gsl_rng_ranmar; +GSL_VAR const gsl_rng_type *gsl_rng_slatec; +GSL_VAR const gsl_rng_type *gsl_rng_taus; +GSL_VAR const gsl_rng_type *gsl_rng_taus2; +GSL_VAR const gsl_rng_type *gsl_rng_taus113; +GSL_VAR const gsl_rng_type *gsl_rng_transputer; +GSL_VAR const gsl_rng_type *gsl_rng_tt800; +GSL_VAR const gsl_rng_type *gsl_rng_uni; +GSL_VAR const gsl_rng_type *gsl_rng_uni32; +GSL_VAR const gsl_rng_type *gsl_rng_vax; +GSL_VAR const gsl_rng_type *gsl_rng_waterman14; +GSL_VAR const gsl_rng_type *gsl_rng_zuf; + +const gsl_rng_type ** gsl_rng_types_setup(void); + +GSL_VAR const gsl_rng_type *gsl_rng_default; +GSL_VAR unsigned long int gsl_rng_default_seed; + +gsl_rng *gsl_rng_alloc (const gsl_rng_type * T); +int gsl_rng_memcpy (gsl_rng * dest, const gsl_rng * src); +gsl_rng *gsl_rng_clone (const gsl_rng * r); + +void gsl_rng_free (gsl_rng * r); + +void gsl_rng_set (const gsl_rng * r, unsigned long int seed); +unsigned long int gsl_rng_max (const gsl_rng * r); +unsigned long int gsl_rng_min (const gsl_rng * r); +const char *gsl_rng_name (const gsl_rng * r); + +int gsl_rng_fread (FILE * stream, gsl_rng * r); +int gsl_rng_fwrite (FILE * stream, const gsl_rng * r); + +size_t gsl_rng_size (const gsl_rng * r); +void * gsl_rng_state (const gsl_rng * r); + +void gsl_rng_print_state (const gsl_rng * r); + +const gsl_rng_type * gsl_rng_env_setup (void); + +INLINE_DECL unsigned long int gsl_rng_get (const gsl_rng * r); +INLINE_DECL double gsl_rng_uniform (const gsl_rng * r); +INLINE_DECL double gsl_rng_uniform_pos (const gsl_rng * r); +INLINE_DECL unsigned long int gsl_rng_uniform_int (const gsl_rng * r, unsigned long int n); + +#ifdef HAVE_INLINE + +INLINE_FUN unsigned long int +gsl_rng_get (const gsl_rng * r) +{ + return (r->type->get) (r->state); +} + +INLINE_FUN double +gsl_rng_uniform (const gsl_rng * r) +{ + return (r->type->get_double) (r->state); +} + +INLINE_FUN double +gsl_rng_uniform_pos (const gsl_rng * r) +{ + double x ; + do + { + x = (r->type->get_double) (r->state) ; + } + while (x == 0) ; + + return x ; +} + +/* Note: to avoid integer overflow in (range+1) we work with scale = + range/n = (max-min)/n rather than scale=(max-min+1)/n, this reduces + efficiency slightly but avoids having to check for the out of range + value. Note that range is typically O(2^32) so the addition of 1 + is negligible in most usage. */ + +INLINE_FUN unsigned long int +gsl_rng_uniform_int (const gsl_rng * r, unsigned long int n) +{ + unsigned long int offset = r->type->min; + unsigned long int range = r->type->max - offset; + unsigned long int scale; + unsigned long int k; + + if (n > range || n == 0) + { + GSL_ERROR_VAL ("invalid n, either 0 or exceeds maximum value of generator", + GSL_EINVAL, 0) ; + } + + scale = range / n; + + do + { + k = (((r->type->get) (r->state)) - offset) / scale; + } + while (k >= n); + + return k; +} +#endif /* HAVE_INLINE */ + +__END_DECLS + +#endif /* __GSL_RNG_H__ */ |