File: [local] / OpenXM_contrib2 / asir2000 / builtin / math.c (download)
Revision 1.1.1.1 (vendor branch), Fri Dec 3 07:39:07 1999 UTC (24 years, 9 months ago) by noro
Branch: NORO
CVS Tags: RELEASE_20000124, RELEASE_1_1_2, ASIR2000 Changes since 1.1: +0 -0
lines
Imported asir2000 as OpenXM_contrib2/asir2000.
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/* $OpenXM: OpenXM_contrib2/asir2000/builtin/math.c,v 1.1.1.1 1999/12/03 07:39:07 noro Exp $ */
#include "ca.h"
#include <math.h>
#include "parse.h"
void Pdsqrt(),Pdsin(),Pdcos(),Pdtan(),Pdasin(),Pdacos(),Pdatan(),Pdlog(),Pdexp();
void Pabs(),Pdfloor(),Pdceil(),Pdrint();
struct ftab math_tab[] = {
{"dsqrt",Pdsqrt,1},
{"dabs",Pabs,1},
{"dsin",Pdsin,1},
{"dcos",Pdcos,1},
{"dtan",Pdtan,1},
{"dlog",Pdlog,1},
{"dexp",Pdexp,1},
{"dasin",Pdasin,1},
{"dacos",Pdacos,1},
{"datan",Pdatan,1},
{"dfloor",Pdfloor,1},
{"dceil",Pdceil,1},
{"drint",Pdrint,1},
{0,0,0},
};
void Pabs(arg,rp)
NODE arg;
Real *rp;
{
double s;
s = fabs(ToReal(ARG0(arg)));
MKReal(s,*rp);
}
void Pdsqrt(arg,rp)
NODE arg;
Real *rp;
{
double s;
s = sqrt(ToReal(ARG0(arg)));
MKReal(s,*rp);
}
void Pdsin(arg,rp)
NODE arg;
Real *rp;
{
double s;
s = sin(ToReal(ARG0(arg)));
MKReal(s,*rp);
}
void Pdcos(arg,rp)
NODE arg;
Real *rp;
{
double s;
s = cos(ToReal(ARG0(arg)));
MKReal(s,*rp);
}
void Pdtan(arg,rp)
NODE arg;
Real *rp;
{
double s;
s = tan(ToReal(ARG0(arg)));
MKReal(s,*rp);
}
void Pdasin(arg,rp)
NODE arg;
Real *rp;
{
double s;
s = asin(ToReal(ARG0(arg)));
MKReal(s,*rp);
}
void Pdacos(arg,rp)
NODE arg;
Real *rp;
{
double s;
s = acos(ToReal(ARG0(arg)));
MKReal(s,*rp);
}
void Pdatan(arg,rp)
NODE arg;
Real *rp;
{
double s;
s = atan(ToReal(ARG0(arg)));
MKReal(s,*rp);
}
void Pdlog(arg,rp)
NODE arg;
Real *rp;
{
double s;
s = log(ToReal(ARG0(arg)));
MKReal(s,*rp);
}
void Pdexp(arg,rp)
NODE arg;
Real *rp;
{
double s;
s = exp(ToReal(ARG0(arg)));
MKReal(s,*rp);
}
void Pdfloor(arg,rp)
NODE arg;
Q *rp;
{
L a;
unsigned int au,al;
int sgn;
Q q;
double d;
if ( !ARG0(arg) ) {
*rp = 0;
return;
}
d = floor(ToReal(ARG0(arg)));
if ( d < -9.223372036854775808e18 || d >= 9.223372036854775808e18 )
error("dfloor : OverFlow");
a = (L)d;
if ( a < 0 ) {
sgn = -1;
a = -a;
} else
sgn = 1;
#if defined(i386) || defined(__alpha) || defined(VISUAL)
au = ((unsigned int *)&a)[1];
al = ((unsigned int *)&a)[0];
#else
al = ((unsigned int *)&a)[1];
au = ((unsigned int *)&a)[0];
#endif
if ( au ) {
NEWQ(q); SGN(q) = sgn; NM(q)=NALLOC(2); DN(q)=0;
PL(NM(q))=2; BD(NM(q))[0]=al; BD(NM(q))[1] = au;
} else {
UTOQ(al,q); SGN(q) = sgn;
}
*rp = q;
}
void Pdceil(arg,rp)
NODE arg;
Q *rp;
{
L a;
unsigned int au,al;
int sgn;
Q q;
double d;
if ( !ARG0(arg) ) {
*rp = 0;
return;
}
d = ceil(ToReal(ARG0(arg)));
if ( d < -9.223372036854775808e18 || d >= 9.223372036854775808e18 )
error("dceil : OverFlow");
a = (L)d;
if ( a < 0 ) {
sgn = -1;
a = -a;
} else
sgn = 1;
#if defined(i386) || defined(__alpha) || defined(VISUAL)
au = ((unsigned int *)&a)[1];
al = ((unsigned int *)&a)[0];
#else
al = ((unsigned int *)&a)[1];
au = ((unsigned int *)&a)[0];
#endif
if ( au ) {
NEWQ(q); SGN(q) = sgn; NM(q)=NALLOC(2); DN(q)=0;
PL(NM(q))=2; BD(NM(q))[0]=al; BD(NM(q))[1] = au;
} else {
UTOQ(al,q); SGN(q) = sgn;
}
*rp = q;
}
void Pdrint(arg,rp)
NODE arg;
Q *rp;
{
L a;
unsigned int au,al;
int sgn;
Q q;
double d;
if ( !ARG0(arg) ) {
*rp = 0;
return;
}
#if defined(VISUAL)
d = ToReal(ARG0(arg));
if ( d > 0 )
d = floor(d+0.5);
else
d = ceil(d-0.5);
#else
d = rint(ToReal(ARG0(arg)));
#endif
if ( d < -9.223372036854775808e18 || d >= 9.223372036854775808e18 )
error("drint : OverFlow");
a = (L)d;
if ( a < 0 ) {
sgn = -1;
a = -a;
} else
sgn = 1;
#if defined(i386) || defined(__alpha) || defined(VISUAL)
au = ((unsigned int *)&a)[1];
al = ((unsigned int *)&a)[0];
#else
al = ((unsigned int *)&a)[1];
au = ((unsigned int *)&a)[0];
#endif
if ( au ) {
NEWQ(q); SGN(q) = sgn; NM(q)=NALLOC(2); DN(q)=0;
PL(NM(q))=2; BD(NM(q))[0]=al; BD(NM(q))[1] = au;
} else {
UTOQ(al,q); SGN(q) = sgn;
}
*rp = q;
}