/* Copyright (C) 2004 Free Software Foundation.
|
/* Copyright (C) 2004 Free Software Foundation.
|
|
|
Check that constant folding of copysign, copysignf and copysignl math
|
Check that constant folding of copysign, copysignf and copysignl math
|
functions doesn't break anything and produces the expected results.
|
functions doesn't break anything and produces the expected results.
|
|
|
Written by Roger Sayle, 6th June 2004. */
|
Written by Roger Sayle, 6th June 2004. */
|
|
|
/* { dg-do link } */
|
/* { dg-do link } */
|
/* { dg-options "-O2" } */
|
/* { dg-options "-O2" } */
|
|
|
extern void link_error(void);
|
extern void link_error(void);
|
|
|
extern double copysign(double, double);
|
extern double copysign(double, double);
|
extern float copysignf(float, float);
|
extern float copysignf(float, float);
|
extern long double copysignl(long double, long double);
|
extern long double copysignl(long double, long double);
|
|
|
int main()
|
int main()
|
{
|
{
|
if (copysign (2.0, 1.0) != 2.0)
|
if (copysign (2.0, 1.0) != 2.0)
|
link_error ();
|
link_error ();
|
if (copysign (2.0, -1.0) != -2.0)
|
if (copysign (2.0, -1.0) != -2.0)
|
link_error ();
|
link_error ();
|
if (copysign (-2.0, 1.0) != 2.0)
|
if (copysign (-2.0, 1.0) != 2.0)
|
link_error ();
|
link_error ();
|
if (copysign (-2.0, -1.0) != -2.0)
|
if (copysign (-2.0, -1.0) != -2.0)
|
link_error ();
|
link_error ();
|
|
|
if (copysign (2.0, 1.0) != 2.0)
|
if (copysign (2.0, 1.0) != 2.0)
|
link_error ();
|
link_error ();
|
if (copysign (2.0, -1.0) != -2.0)
|
if (copysign (2.0, -1.0) != -2.0)
|
link_error ();
|
link_error ();
|
if (copysign (-2.0, 1.0) != 2.0)
|
if (copysign (-2.0, 1.0) != 2.0)
|
link_error ();
|
link_error ();
|
if (copysign (-2.0, -1.0) != -2.0)
|
if (copysign (-2.0, -1.0) != -2.0)
|
link_error ();
|
link_error ();
|
|
|
if (copysignf (2.0f, 1.0f) != 2.0f)
|
if (copysignf (2.0f, 1.0f) != 2.0f)
|
link_error ();
|
link_error ();
|
if (copysignf (2.0f, -1.0f) != -2.0f)
|
if (copysignf (2.0f, -1.0f) != -2.0f)
|
link_error ();
|
link_error ();
|
if (copysignf (-2.0f, 1.0f) != 2.0f)
|
if (copysignf (-2.0f, 1.0f) != 2.0f)
|
link_error ();
|
link_error ();
|
if (copysignf (-2.0f, -1.0f) != -2.0f)
|
if (copysignf (-2.0f, -1.0f) != -2.0f)
|
link_error ();
|
link_error ();
|
|
|
if (copysignl (2.0l, 1.0l) != 2.0l)
|
if (copysignl (2.0l, 1.0l) != 2.0l)
|
link_error ();
|
link_error ();
|
if (copysignl (2.0l, -1.0l) != -2.0l)
|
if (copysignl (2.0l, -1.0l) != -2.0l)
|
link_error ();
|
link_error ();
|
if (copysignl (-2.0l, 1.0l) != 2.0l)
|
if (copysignl (-2.0l, 1.0l) != 2.0l)
|
link_error ();
|
link_error ();
|
if (copysignl (-2.0l, -1.0l) != -2.0l)
|
if (copysignl (-2.0l, -1.0l) != -2.0l)
|
link_error ();
|
link_error ();
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
|
|
