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/*************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include "memory.h"
#include "interface.h"
#ifndef ANSI_ARGS
#ifdef __STDC__
#define ANSI_ARGS(args) args
#else
#define ANSI_ARGS(args) ()
#endif
#endif
int *defaultgen=NULL;
int junk; /* pass useless pointer at times */
#ifdef __STDC__
int *init_rng_simple(int rng_type, int seed, int mult)
#else
int *init_rng_simple(rng_type,seed,mult)
int rng_type,mult,seed;
#endif
{
int myid=0, nprocs=1, *temp;
temp = init_rng(rng_type,myid,nprocs,seed,mult);
if(temp == NULL)
return NULL;
else
{
if(defaultgen != NULL)
free_rng(defaultgen);
defaultgen = temp;
return &junk; /* return "garbage" value */
}
}
#ifdef __STDC__
int get_rn_int_simple(void)
#else
int get_rn_int_simple()
#endif
{
if(defaultgen == NULL)
if(init_rng_simple(DEFAULT_RNG_TYPE,0,0) == NULL)
return -1.0;
return get_rn_int(defaultgen);
}
#ifdef __STDC__
float get_rn_flt_simple(void)
#else
float get_rn_flt_simple()
#endif
{
if(defaultgen == NULL)
if(init_rng_simple(DEFAULT_RNG_TYPE,0,0) == NULL)
return -1.0;
return get_rn_flt(defaultgen);
}
#ifdef __STDC__
double get_rn_dbl_simple(void)
#else
double get_rn_dbl_simple()
#endif
{
if(defaultgen == NULL)
if(init_rng_simple(DEFAULT_RNG_TYPE,0,0) == NULL)
return -1.0;
return get_rn_dbl(defaultgen);
}
#ifdef __STDC__
int pack_rng_simple(char **buffer)
#else
int pack_rng_simple(buffer)
char **buffer;
#endif
{
if(defaultgen == NULL)
return 0;
return pack_rng(defaultgen,buffer);
}
#ifdef __STDC__
int *unpack_rng_simple( char *packed)
#else
int *unpack_rng_simple(packed)
char *packed;
#endif
{
int *temp;
temp = unpack_rng(packed);
if(temp == NULL)
return NULL;
else
{
if(defaultgen != NULL)
free_rng(defaultgen);
defaultgen = temp;
return &junk; /* return "garbage" value */
}
}
#ifdef __STDC__
int print_rng_simple(void)
#else
int print_rng_simple()
#endif
{
if(defaultgen == NULL)
{
fprintf(stderr,"WARNING: No generator initialized so far\n");
return 0;
}
return print_rng(defaultgen);
}
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