zenithsiz/ftmemsim-valgrind
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Do a sane level of testing.

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git-svn-id: svn://svn.valgrind.org/vex/trunk@1088
This commit is contained in:
Julian Seward 2005-03-25 22:32:39 +00:00
parent ca5e6a784a
commit 636bcae31d
1 changed files with 21 additions and 5 deletions
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26
VEX/test/x87fxam.c
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@ -5,11 +5,11 @@
double d;
int i;
extern void do_tst ( void );
extern void do_fxam ( void );
asm(
"\n"
"do_tst:\n"
"do_fxam:\n"
"\txorl %eax,%eax\n"
"\tfld d\n"
"\tfxam\n"
@ -19,10 +19,26 @@ asm(
"\tret\n"
);
double inf ( void ) { return 1.0 / 0.0; }
double nAn ( void ) { return 0.0 / 0.0; }
double den ( void ) { return 9.1e-220 / 1e100; }
/* Try positive and negative variants of: zero, infinity,
nAn, and denorm */
int main ( void )
{
d = -1.23; do_tst(); printf("%f -> 0x%x\n", d, i );
d = 0.0; do_tst(); printf("%f -> 0x%x\n", d, i );
d = 9.87; do_tst(); printf("%f -> 0x%x\n", d, i );
d = 0.0; do_fxam(); printf("0x%4x: %f\n", i, d );
d = -0.0; do_fxam(); printf("0x%4x: %f\n", i, d );
d = inf(); do_fxam(); printf("0x%4x: %f\n", i, d );
d = -inf(); do_fxam(); printf("0x%4x: %f\n", i, d );
d = nAn(); do_fxam(); printf("0x%4x: %f\n", i, d );
d = -nAn(); do_fxam(); printf("0x%4x: %f\n", i, d );
d = den(); do_fxam(); printf("0x%4x: %f\n", i, d );
d = -den(); do_fxam(); printf("0x%4x: %f\n", i, d );
return 0;
}