Subversion Repositories openrisc

/* Copyright (C) 2003  Free Software Foundation.

   Verify that built-in math function constant folding of constant

   arguments is correctly performed by the by the compiler.

   Written by Roger Sayle, 30th March 2003.  */

/* { dg-do link } */

/* { dg-options "-O2 -ffast-math" } */

extern double pow (double, double);

extern float powf (float, float);

extern long double powl (long double, long double);

extern double tan (double);

extern float tanf (float);

extern long double tanl (long double);

extern double atan (double);

extern float atanf (float);

extern long double atanl (long double);

extern void link_error(void);

void test(double x)

{

  if (pow (x, 1.0) != x)

    link_error ();

  if (tan (atan (x)) != x)

    link_error ();

}

void testf(float x)

{

  if (powf (x, 1.0f) != x)

    link_error ();

  if (tanf (atanf (x)) != x)

    link_error ();

}

void testl(long double x)

{

  if (powl (x, 1.0l) != x)

    link_error ();

  if (tanl (atanl (x)) != x)

    link_error ();

}

int main()

{

  test (2.0);

  testf (2.0f);

  testl (2.0l);

  return 0;

}