builtin-math-1.c

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/* Copyright (C) 2002, 2003  Free Software Foundation.

   Verify that built-in math function constant folding of constant
   arguments is correctly performed by the compiler.

   Written by Roger Sayle, 16th August 2002.  */

/* { dg-do link } */

/* All references to link_error should go away at compile-time.  */
extern void link_error(void);

void test (float f, double d, long double ld)
{
  if (sqrt (0.0) != 0.0)
    link_error ();

  if (sqrt (1.0) != 1.0)
    link_error ();

  if (exp (0.0) != 1.0)
    link_error ();

  if (exp (1.0) <= 2.71 || exp (1.0) >= 2.72)
    link_error ();

  if (log (1.0) != 0.0)
    link_error ();

  if (sin (0.0) != 0.0)
    link_error ();

  if (cos (0.0) != 1.0)
    link_error ();

  if (tan (0.0) != 0.0)
    link_error ();

  if (atan (0.0) != 0.0)
    link_error ();

  if (4.0*atan (1.0) <= 3.14 || 4.0*atan (1.0) >= 3.15)
    link_error ();

  if (pow (d, 0.0) != 1.0)
    link_error ();

  if (pow (1.0, d) != 1.0)
    link_error ();


  if (sqrtf (0.0F) != 0.0F)
    link_error ();

  if (sqrtf (1.0F) != 1.0F)
    link_error ();

  if (expf (0.0F) != 1.0F)
    link_error ();

  if (expf (1.0F) <= 2.71F || expf (1.0F) >= 2.72F)
    link_error ();

  if (logf (1.0F) != 0.0F)
    link_error ();

  if (sinf (0.0F) != 0.0F)
    link_error ();

  if (cosf (0.0F) != 1.0F)
    link_error ();

  if (tanf (0.0F) != 0.0F)
    link_error ();

  if (atanf (0.0F) != 0.0F)
    link_error ();

  if (4.0F*atanf (1.0F) <= 3.14F || 4.0F*atanf (1.0F) >= 3.15F)
    link_error ();

  if (powf (f, 0.0F) != 1.0F)
    link_error ();

  if (powf (1.0F, f) != 1.0F)
    link_error ();


  if (sqrtl (0.0L) != 0.0L)
    link_error ();

  if (sqrtl (1.0L) != 1.0L)
    link_error ();

  if (expl (0.0L) != 1.0L)
    link_error ();

  if (expl (1.0L) <= 2.71L || expl (1.0L) >= 2.72L)
    link_error ();

  if (logl (1.0L) != 0.0L)
    link_error ();

  if (sinl (0.0L) != 0.0L)
    link_error ();

  if (cosl (0.0L) != 1.0L)
    link_error ();

  if (tanl (0.0L) != 0.0L)
    link_error ();

  if (atanl (0.0) != 0.0L)
    link_error ();

  if (4.0L*atanl (1.0L) <= 3.14L || 4.0L*atanl (1.0L) >= 3.15L)
    link_error ();

  if (powl (ld, 0.0L) != 1.0L)
    link_error ();

  if (powl (1.0L, ld) != 1.0L)
    link_error ();
}

int main()
{
  test (3.0, 3.0F, 3.0L);

  return 0;
}