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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [builtins-20.c] - Blame information for rev 856

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Line No. Rev Author Line
1 149 jeremybenn 
/* Copyright (C) 2003  Free Software Foundation.
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   Verify that built-in math function constant folding doesn't break
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   anything and produces the expected results.
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   Written by Roger Sayle, 8th June 2003.  */
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/* { dg-do link } */
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/* { dg-options "-O2 -ffast-math" } */
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/* { dg-options "-O2 -ffast-math -mmacosx-version-min=10.3" { target powerpc-*-darwin* } } */
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/* { dg-options "-O2 -ffast-math -std=c99" { target *-*-solaris2* } } */
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#include "builtins-config.h"
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extern double cos (double);
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extern double sin (double);
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extern double tan (double);
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extern float cosf (float);
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extern float sinf (float);
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extern float tanf (float);
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extern long double cosl (long double);
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extern long double sinl (long double);
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extern long double tanl (long double);
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extern void link_error(void);
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void test1(double x)
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{
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  if (cos(x) != cos(-x))
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    link_error ();
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  if (sin(x)/cos(x) != tan(x))
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    link_error ();
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  if (cos(x)/sin(x) != 1.0/tan(x))
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    link_error ();
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  if (tan(x)*cos(x) != sin(x))
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    link_error ();
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  if (cos(x)*tan(x) != sin(x))
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    link_error ();
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  if (sin(x)/tan(x) != cos(x))
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    link_error ();
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  if (tan(x)/sin(x) != 1.0/cos(x))
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    link_error ();
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}
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void test2(double x, double y)
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{
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  if (-tan(x-y) != tan(y-x))
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    link_error ();
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  if (-sin(x-y) != sin(y-x))
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    link_error ();
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}
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void test1f(float x)
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{
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  if (cosf(x) != cosf(-x))
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    link_error ();
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#ifdef HAVE_C99_RUNTIME
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  if (sinf(x)/cosf(x) != tanf(x))
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    link_error ();
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  if (cosf(x)/sinf(x) != 1.0f/tanf(x))
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    link_error ();
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  if (tanf(x)*cosf(x) != sinf(x))
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    link_error ();
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  if (cosf(x)*tanf(x) != sinf(x))
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    link_error ();
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  if (sinf(x)/tanf(x) != cosf(x))
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    link_error ();
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  if (tanf(x)/sinf(x) != 1.0f/cosf(x))
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    link_error ();
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#endif
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}
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void test2f(float x, float y)
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{
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  if (-tanf(x-y) != tanf(y-x))
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    link_error ();
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  if (-sinf(x-y) != sinf(y-x))
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    link_error ();
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}
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void test1l(long double x)
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{
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  if (cosl(x) != cosl(-x))
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    link_error ();
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#ifdef HAVE_C99_RUNTIME
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  if (sinl(x)/cosl(x) != tanl(x))
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    link_error ();
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  if (cosl(x)/sinl(x) != 1.0l/tanl(x))
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    link_error ();
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  if (tanl(x)*cosl(x) != sinl(x))
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    link_error ();
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  if (cosl(x)*tanl(x) != sinl(x))
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    link_error ();
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  if (sinl(x)/tanl(x) != cosl(x))
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    link_error ();
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  if (tanl(x)/sinl(x) != 1.0l/cosl(x))
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    link_error ();
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#endif
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}
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void test2l(long double x, long double y)
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{
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  if (-tanl(x-y) != tanl(y-x))
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    link_error ();
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  if (-sinl(x-y) != sinl(y-x))
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    link_error ();
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}
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int main()
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{
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  test1 (1.0);
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  test2 (1.0, 2.0);
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  test1f (1.0f);
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  test2f (1.0f, 2.0f);
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  test1l (1.0l);
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  test2l (1.0l, 2.0l);
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  return 0;
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}
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