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/* Copyright (C) 2003  Free Software Foundation.

   Verify that built-in math function constant folding doesn't

   cause any problems for the compiler.

   Written by Roger Sayle, 7th June 2003.  */

/* { dg-do compile } */

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

extern double fabs (double);

extern float fabsf (float);

extern long double fabsl (long double);

extern double sqrt (double);

extern float sqrtf (float);

extern long double sqrtl (long double);

extern double exp (double);

extern float expf (float);

extern long double expl (long double);

double test1(double x)

{

  return fabs(x*x);

}

double test2(double x)

{

  return fabs(sqrt(x)+2.0);

}

double test3(double x)

{

  return fabs(3.0*exp(x));

}

float test1f(float x)

{

  return fabsf(x*x);

}

float test2f(float x)

{

  return fabsf(sqrtf(x)+2.0f);

}

float test3f(float x)

{

  return fabsf(3.0f*expf(x));

}

long double test1l(long double x)

{

  return fabsl(x*x);

}

long double test2l(long double x)

{

  return fabsl(sqrtl(x)+2.0l);

}

long double test3l(long double x)

{

  return fabsl(3.0l*expl(x));

}