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#ifdef __cplusplus
extern "C" {
#endif
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#ifdef __cplusplus
}
#endif
#include "randlib.h"
#include "helper.h"
#define PERL_VERSION_ATLEAST(a,b,c) \
(PERL_REVISION > (a) \
|| (PERL_REVISION == (a) \
&& (PERL_VERSION > (b) \
|| (PERL_VERSION == (b) && PERL_SUBVERSION >= (c)))))
#if PERL_VERSION_ATLEAST (5,8,1)
/* For whatever reason, the random seeds need to be in 1..2^30; the below will
* be uniformly distributed assuming the seed value is uniformly distributed.
*/
#define default_seed_mechanism \
setall((long)(Perl_seed(aTHX) % 1073741824L), \
(long)(Perl_seed(aTHX) % 1073741824L));
#else /* Perl < 5.8.1 */
#define default_seed_mechanism not_here("Perl_seed");
#endif
static int
not_here(s)
char *s;
{
croak("%s not implemented on this architecture", s);
return -1;
}
static double
constant(name, arg)
char *name;
int arg;
{
errno = 0;
switch (*name) {
}
errno = EINVAL;
return 0;
not_there:
errno = ENOENT;
return 0;
}
MODULE = Math::Random PACKAGE = Math::Random
void
set_default_seed()
CODE:
default_seed_mechanism;
double
genbet (aa,bb)
INPUT:
double aa
double bb
double
genchi (df)
INPUT:
double df
double
genexp (av)
INPUT:
double av
double
genf (dfn,dfd)
INPUT:
double dfn
double dfd
double
gengam (a,r)
INPUT:
double a
double r
int
psetmn (p)
INPUT:
long p
int
pgenmn ()
PROTOTYPE:
INPUT:
CODE:
RETVAL = pgenmn();
OUTPUT:
RETVAL
int
rspriw (size)
INPUT:
long size
int
rsprfw (size)
INPUT:
long size
void
svprfw (index,value)
INPUT:
long index
double value
void
pgnmul (n,ncat)
INPUT:
long n
long ncat
long
gvpriw (index)
INPUT:
long index
double
gennch (df,xnonc)
INPUT:
double df
double xnonc
double
gennf (dfn,dfd,xnonc)
INPUT:
double dfn
double dfd
double xnonc
double
gennor (av,sd)
INPUT:
double av
double sd
void
pgnprm (n)
PROTOTYPE: $
INPUT:
long n
CODE:
pgnprm(n);
OUTPUT:
double
genunf (low,high)
INPUT:
double low
double high
long
ignpoi (mu)
INPUT:
double mu
long
ignuin (low,high)
INPUT:
long low
long high
long
ignnbn (n,p)
INPUT:
long n
double p
long
ignbin (n,pp)
INPUT:
long n
double pp
void
phrtsd (phrase)
PROTOTYPE: $
INPUT:
char * phrase
PREINIT:
long newseed1;
long newseed2;
PPCODE:
phrtsd(phrase,&newseed1,&newseed2);
EXTEND(sp, 2);
PUSHs(sv_2mortal(newSViv(newseed1)));
PUSHs(sv_2mortal(newSViv(newseed2)));
void
getsd ()
PROTOTYPE:
PREINIT:
long newseed1;
long newseed2;
PPCODE:
getsd(&newseed1,&newseed2);
EXTEND(sp, 2);
PUSHs(sv_2mortal(newSViv(newseed1)));
PUSHs(sv_2mortal(newSViv(newseed2)));
void
salfph (phrase)
PROTOTYPE: $
INPUT:
char * phrase
CODE:
salfph(phrase);
OUTPUT:
void
setall (iseed1,iseed2)
PROTOTYPE: $$
INPUT:
long iseed1
long iseed2
CODE:
setall(iseed1,iseed2);
OUTPUT:
double
gvprfw (index)
INPUT:
long index
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