37 lines
1.4 KiB
C
37 lines
1.4 KiB
C
/*
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ziggurat.h Ziggurat random-number generator
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Downloaded from
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http://people.sc.fsu.edu/~jburkardt/c_src/ziggurat/ziggurat.c
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on 20 July 2014.
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This code is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this code. If not, see <http:#www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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uint32_t cong_seeded ( uint32_t *jcong );
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double cpu_time ( void );
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uint32_t kiss_seeded ( uint32_t *jcong, uint32_t *jsr, uint32_t *w, uint32_t *z );
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uint32_t mwc_seeded ( uint32_t *w, uint32_t *z );
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float r4_exp ( uint32_t *jsr, uint32_t ke[256], float fe[256], float we[256] );
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void r4_exp_setup ( uint32_t ke[256], float fe[256], float we[256] );
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float r4_nor ( uint32_t *jsr, uint32_t kn[128], float fn[128], float wn[128] );
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void r4_nor_setup ( uint32_t kn[128], float fn[128], float wn[128] );
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float r4_uni ( uint32_t *jsr );
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uint32_t shr3_seeded ( uint32_t *jsr );
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void timestamp ( void );
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