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New files to implement the Mersenne Twister Pseudo Random Number

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1999-04-09  Sebastian Wilhelmi  <wilhelmi@ira.uka.de>

	* grand.c, tests/rand-test.c: New files to implement the Mersenne
	Twister Pseudo Random Number Generator.

	* glib.h, AUTHORS, Makefile.am, tests/Makefile.am: Changed
	accordingly.
This commit is contained in:
Sebastian Wilhelmi
1999-04-09 14:40:58 +00:00
committed by Sebastian Wilhelmi
parent bbc2cc4e0e
commit 95aff22dff
18 changed files with 871 additions and 1 deletions
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43
glib/glib.h
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@@ -2369,6 +2369,49 @@ gpointer g_tuples_index (GTuples *tuples,
gint field);
/* GRand - a good and fast random number generator: Mersenne Twister
* see http://www.math.keio.ac.jp/~matumoto/emt.html for more info.
* The range functions return a value in the intervall [min,max).
* int -> [0..2^32-1]
* int_range -> [min..max-1]
* double -> [0..1)
* double_range -> [min..max)
*/
typedef struct _GRand GRand;
GRand* g_rand_new_with_seed (guint32 seed);
GRand* g_rand_new ();
void g_rand_free (GRand *rand);
void g_rand_set_seed (GRand *rand,
guint32 seed);
guint32 g_rand_int (GRand *rand);
gint32 g_rand_int_range (GRand *rand,
gint32 min,
gint32 max);
gdouble g_rand_double (GRand *rand);
gdouble g_rand_double_range (GRand *rand,
gdouble min,
gdouble max);
/* This might go in, if -lm is no problem for you guys
gdouble g_rand_normal (GRand *rand,
gdouble mean,
gdouble standard_deviation);
*/
void g_random_set_seed (guint32 seed);
guint32 g_random_int ();
gint32 g_random_int_range (gint32 min,
gint32 max);
gdouble g_random_double ();
gdouble g_random_double_range (gdouble min,
gdouble max);
/* dito
gdouble g_random_normal (gdouble mean,
gdouble standard_deviation);
*/
/* Prime numbers.
*/