blob: 235cda72c4b6150821b642cbcd97dff46fede8f8 [file] [log] [blame]
#include "tests/asm.h"
#include <stdio.h>
#include <math.h>
double arg, res1, res2;
extern void do_fxtract ( void );
asm("\n"
VG_SYM(do_fxtract) ":\n"
"\tfinit\n"
"\tfldl " VG_SYM(arg) "\n"
"\tfxtract\n"
"\tfstpl " VG_SYM(res1) "\n"
"\tfstpl " VG_SYM(res2) "\n"
"\tret"
);
void try ( double x )
{
arg = x * 1.414213562373049;
res1 = res2 = 0.0;
do_fxtract();
printf("%17.10e -> %14.10f %14.10f\n", arg, res1, res2);
}
int main ( void )
{
int i;
/* positives */
for (i = 0; i < 40; i++)
try( 1.27 + (double)(i*10 - 200) );
try(+0.0);
try(1.0 / 0.0);
try(sqrt(-1.0));
try(5.1e-308);
try(4.1e-308);
try(3.1e-308);
try(2.1e-308);
try(1.1e-308);
try(0.9e-308);
try(0.7e-308);
try(0.6e-308);
try(0.5e-308);
try(0.4e-308);
try(0.3e-308);
try(0.1e-308);
try(1.3e-320);
try(1.3e-321);
try(1.3e-322);
try(1.3e-323);
try(0.9e-323);
try(0.7e-323);
try(0.5e-323);
try(0.3e-323);
try(0.2e-323);
try(1.3e-324);
/* negatives */
printf("\n");
for (i = 0; i < 40; i++)
try( - (1.27 + (double)(i*10 - 200)) );
try(-0.0);
try(-(1.0 / 0.0));
try(-sqrt(-1.0));
try(-5.1e-308);
try(-4.1e-308);
try(-3.1e-308);
try(-2.1e-308);
try(-1.1e-308);
try(-0.9e-308);
try(-0.7e-308);
try(-0.6e-308);
try(-0.5e-308);
try(-0.4e-308);
try(-0.3e-308);
try(-0.1e-308);
try(-1.3e-320);
try(-1.3e-321);
try(-1.3e-322);
try(-1.3e-323);
try(-0.9e-323);
try(-0.7e-323);
try(-0.5e-323);
try(-0.3e-323);
try(-0.2e-323);
try(-1.3e-324);
return 0;
}