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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;

}