65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
/* Copyright (C) 2003 Free Software Foundation.
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Check that built-in cabs, cabsf and cabsl functions don't
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break anything and produces the expected results.
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Written by Roger Sayle, 1st June 2003. */
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/* { dg-do link } */
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/* { dg-options "-O2 -ffast-math" } */
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#include "builtins-config.h"
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extern void link_error(void);
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extern float cabsf (float _Complex);
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extern double cabs (double _Complex);
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extern long double cabsl (long double _Complex);
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int
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main (void)
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{
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/* For each type, test both runtime and compile time (constant folding)
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optimization. */
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float _Complex fc = 3.0F + 4.0iF;
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double _Complex dc = 3.0 + 4.0i;
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long double _Complex ldc = 3.0L + 4.0iL;
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#ifdef HAVE_C99_RUNTIME
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/* Test floats. */
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if (cabsf (fc) != 5.0F)
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link_error ();
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if (__builtin_cabsf (fc) != 5.0F)
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link_error ();
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if (cabsf (3.0F + 4.0iF) != 5.0F)
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link_failure ();
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if (__builtin_cabsf (3.0F + 4.0iF) != 5.0F)
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link_failure ();
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#endif
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/* Test doubles. */
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if (cabs (dc) != 5.0)
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link_error ();
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if (__builtin_cabs (dc) != 5.0)
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link_error ();
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if (cabs (3.0 + 4.0i) != 5.0)
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link_failure ();
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if (__builtin_cabs (3.0 + 4.0i) != 5.0)
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link_failure ();
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#ifdef HAVE_C99_RUNTIME
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/* Test long doubles. */
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if (cabsl (ldc) != 5.0L)
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link_error ();
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if (__builtin_cabsl (ldc) != 5.0L)
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link_error ();
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if (cabsl (3.0L + 4.0iL) != 5.0L)
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link_failure ();
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if (__builtin_cabsl (3.0L + 4.0iL) != 5.0L)
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link_failure ();
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#endif
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return 0;
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}
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