mirror of
https://github.com/nArnoSNES/tcc-65816.git
synced 2024-06-30 00:29:49 +00:00
114 lines
1.3 KiB
C
114 lines
1.3 KiB
C
|
/* Copyright (C) 2002 Free Software Foundation.
|
||
|
|
||
|
Test floating point negation produces the expected results.
|
||
|
|
||
|
Written by Roger Sayle, 21st May 2002. */
|
||
|
|
||
|
/* { dg-do run } */
|
||
|
/* { dg-options "-O2 -ffast-math" } */
|
||
|
|
||
|
extern void abort ();
|
||
|
|
||
|
|
||
|
double
|
||
|
dneg (double x)
|
||
|
{
|
||
|
return -x;
|
||
|
}
|
||
|
|
||
|
double
|
||
|
dmult (double x)
|
||
|
{
|
||
|
return -1.0 * x;
|
||
|
}
|
||
|
|
||
|
double
|
||
|
ddiv (double x)
|
||
|
{
|
||
|
return x / -1.0;
|
||
|
}
|
||
|
|
||
|
|
||
|
float
|
||
|
fneg (float x)
|
||
|
{
|
||
|
return -x;
|
||
|
}
|
||
|
|
||
|
float
|
||
|
fmult (float x)
|
||
|
{
|
||
|
return -1.0f * x;
|
||
|
}
|
||
|
|
||
|
float
|
||
|
fdiv (float x)
|
||
|
{
|
||
|
return x / -1.0f;
|
||
|
}
|
||
|
|
||
|
|
||
|
void
|
||
|
ftest(float src, float dst)
|
||
|
{
|
||
|
if (fneg (src) != dst)
|
||
|
abort ();
|
||
|
|
||
|
if (src != fneg (dst))
|
||
|
abort ();
|
||
|
|
||
|
if (fmult (src) != dst)
|
||
|
abort ();
|
||
|
|
||
|
if (src != fmult (dst))
|
||
|
abort ();
|
||
|
|
||
|
if (fdiv (src) != dst)
|
||
|
abort ();
|
||
|
|
||
|
if (src != fdiv(dst))
|
||
|
abort ();
|
||
|
}
|
||
|
|
||
|
void
|
||
|
dtest(double src, double dst)
|
||
|
{
|
||
|
if (dneg (src) != dst)
|
||
|
abort ();
|
||
|
|
||
|
if (src != dneg (dst))
|
||
|
abort ();
|
||
|
|
||
|
if (dmult (src) != dst)
|
||
|
abort ();
|
||
|
|
||
|
if (src != dmult (dst))
|
||
|
abort ();
|
||
|
|
||
|
if (ddiv (src) != dst)
|
||
|
abort ();
|
||
|
|
||
|
if (src != ddiv(dst))
|
||
|
abort ();
|
||
|
}
|
||
|
|
||
|
|
||
|
int
|
||
|
main ()
|
||
|
{
|
||
|
ftest (1.0f, -1.0f);
|
||
|
ftest (2.0f, -2.0f);
|
||
|
ftest (-3.0f, 3.0f);
|
||
|
ftest (0.0f, -0.0f);
|
||
|
ftest (-0.0f, 0.0f);
|
||
|
|
||
|
dtest (1.0, -1.0);
|
||
|
dtest (2.0, -2.0);
|
||
|
dtest (-3.0, 3.0);
|
||
|
dtest (0.0, -0.0);
|
||
|
dtest (-0.0, 0.0);
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|