106 lines
2.3 KiB
C
106 lines
2.3 KiB
C
/* Copyright (C) 2003 Free Software Foundation.
|
|
|
|
Check that constant folding of built-in math functions doesn't
|
|
break anything and produces the expected results.
|
|
|
|
Written by Roger Sayle, 28th June 2003. */
|
|
|
|
/* { dg-do link } */
|
|
/* { dg-options "-O2 -ffast-math" } */
|
|
|
|
extern void link_error(void);
|
|
|
|
extern double trunc(double);
|
|
extern double floor(double);
|
|
extern double ceil(double);
|
|
|
|
extern float truncf(float);
|
|
extern float floorf(float);
|
|
extern float ceilf(float);
|
|
|
|
extern long double truncl(long double);
|
|
extern long double floorl(long double);
|
|
extern long double ceill(long double);
|
|
|
|
void test(double x)
|
|
{
|
|
if (trunc (trunc (x)) != trunc (x))
|
|
link_error ();
|
|
if (trunc (floor (x)) != floor (x))
|
|
link_error ();
|
|
if (trunc (ceil (x)) != ceil (x))
|
|
link_error ();
|
|
|
|
if (floor (trunc (x)) != trunc (x))
|
|
link_error ();
|
|
if (floor (floor (x)) != floor (x))
|
|
link_error ();
|
|
if (floor (ceil (x)) != ceil (x))
|
|
link_error ();
|
|
|
|
if (ceil (trunc (x)) != trunc (x))
|
|
link_error ();
|
|
if (ceil (floor (x)) != floor (x))
|
|
link_error ();
|
|
if (ceil (ceil (x)) != ceil (x))
|
|
link_error ();
|
|
}
|
|
|
|
void testf(float x)
|
|
{
|
|
if (truncf (truncf (x)) != truncf (x))
|
|
link_error ();
|
|
if (truncf (floorf (x)) != floorf (x))
|
|
link_error ();
|
|
if (truncf (ceilf (x)) != ceilf (x))
|
|
link_error ();
|
|
|
|
if (floorf (truncf (x)) != truncf (x))
|
|
link_error ();
|
|
if (floorf (floorf (x)) != floorf (x))
|
|
link_error ();
|
|
if (floorf (ceilf (x)) != ceilf (x))
|
|
link_error ();
|
|
|
|
if (ceilf (truncf (x)) != truncf (x))
|
|
link_error ();
|
|
if (ceilf (floorf (x)) != floorf (x))
|
|
link_error ();
|
|
if (ceilf (ceilf (x)) != ceilf (x))
|
|
link_error ();
|
|
}
|
|
|
|
void testl(long double x)
|
|
{
|
|
if (truncl (truncl (x)) != truncl (x))
|
|
link_error ();
|
|
if (truncl (floorl (x)) != floorl (x))
|
|
link_error ();
|
|
if (truncl (ceill (x)) != ceill (x))
|
|
link_error ();
|
|
|
|
if (floorl (truncl (x)) != truncl (x))
|
|
link_error ();
|
|
if (floorl (floorl (x)) != floorl (x))
|
|
link_error ();
|
|
if (floorl (ceill (x)) != ceill (x))
|
|
link_error ();
|
|
|
|
if (ceill (truncl (x)) != truncl (x))
|
|
link_error ();
|
|
if (ceill (floorl (x)) != floorl (x))
|
|
link_error ();
|
|
if (ceill (ceill (x)) != ceill (x))
|
|
link_error ();
|
|
}
|
|
|
|
|
|
int main()
|
|
{
|
|
test (3.2);
|
|
testf (3.2f);
|
|
testl (3.2l);
|
|
return 0;
|
|
}
|
|
|