Annotation of rpl/src/generateurs_aleatoires.c, revision 1.1
1.1 ! bertrand 1: /*
! 2: ================================================================================
! 3: RPL/2 (R) version 4.0.9
! 4: Copyright (C) 1989-2010 Dr. BERTRAND Joël
! 5:
! 6: This file is part of RPL/2.
! 7:
! 8: RPL/2 is free software; you can redistribute it and/or modify it
! 9: under the terms of the CeCILL V2 License as published by the french
! 10: CEA, CNRS and INRIA.
! 11:
! 12: RPL/2 is distributed in the hope that it will be useful, but WITHOUT
! 13: ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
! 14: FITNESS FOR A PARTICULAR PURPOSE. See the CeCILL V2 License
! 15: for more details.
! 16:
! 17: You should have received a copy of the CeCILL License
! 18: along with RPL/2. If not, write to info@cecill.info.
! 19: ================================================================================
! 20: */
! 21:
! 22:
! 23: #include "rpl.conv.h"
! 24:
! 25:
! 26: void
! 27: initialisation_generateur_aleatoire(struct_processus *s_etat_processus,
! 28: logical1 initialisation_automatique, unsigned long int racine)
! 29: {
! 30: struct timeval horodatage;
! 31:
! 32: if ((*s_etat_processus).type_generateur_aleatoire == NULL)
! 33: {
! 34: (*s_etat_processus).type_generateur_aleatoire = gsl_rng_ranlux389;
! 35: }
! 36:
! 37: if (((*s_etat_processus).generateur_aleatoire =
! 38: gsl_rng_alloc((*s_etat_processus).type_generateur_aleatoire))
! 39: == NULL)
! 40: {
! 41: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
! 42: return;
! 43: }
! 44:
! 45: if (initialisation_automatique == d_vrai)
! 46: {
! 47: gettimeofday(&horodatage, NULL);
! 48:
! 49: gsl_rng_set((*s_etat_processus).generateur_aleatoire,
! 50: (unsigned long int) (horodatage.tv_usec | horodatage.tv_sec));
! 51: }
! 52: else
! 53: {
! 54: gsl_rng_set((*s_etat_processus).generateur_aleatoire, racine);
! 55: }
! 56:
! 57: return;
! 58: }
! 59:
! 60:
! 61: void
! 62: liberation_generateur_aleatoire(struct_processus *s_etat_processus)
! 63: {
! 64: gsl_rng_free((*s_etat_processus).generateur_aleatoire);
! 65: (*s_etat_processus).generateur_aleatoire = NULL;
! 66: (*s_etat_processus).type_generateur_aleatoire = NULL;
! 67:
! 68: return;
! 69: }
! 70:
! 71: // vim: ts=4
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