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/* Copyright (C) 2003, 2006 Free Software Foundation.
Verify that built-in math function constant folding of functions
with one constant argument is correctly performed by the compiler.
Written by Roger Sayle, 30th March 2003. */
/* { dg-do run } */
/* { dg-options "-O2 -ffast-math" } */
extern void abort(void);
extern double pow(double, double);
extern double sqrt(double);
extern double cbrt(double);
void test(double x)
{
if (pow(x,-1.0) != 1.0/x)
abort ();
if (pow(x,2.0) != x*x)
abort ();
if (pow(x,-2.0) != 1.0/(x*x))
abort ();
if (pow(x,0.5) != sqrt(x))
abort ();
#ifdef HAVE_C99_RUNTIME
if (pow(x,1.0/3.0) != cbrt(x))
abort ();
#endif
}
int main()
{
test (1.0);
test (2.0);
return 0;
}
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