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| Rev 816 |
Rev 826 |
/* Copyright (C) 2004 Free Software Foundation.
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/* Copyright (C) 2004 Free Software Foundation.
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Check that constant folding of signbit, signbitf and signbitl math
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Check that constant folding of signbit, signbitf and signbitl math
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functions doesn't break anything and produces the expected results.
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functions doesn't break anything and produces the expected results.
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Written by Roger Sayle, 28th January 2004. */
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Written by Roger Sayle, 28th January 2004. */
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/* { dg-do run } */
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/* { dg-do run } */
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/* { dg-options "-O2" } */
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/* { dg-options "-O2" } */
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extern void abort(void);
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extern void abort(void);
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extern int signbit(double);
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extern int signbit(double);
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extern int signbitf(float);
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extern int signbitf(float);
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extern int signbitl(long double);
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extern int signbitl(long double);
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int test (double x)
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int test (double x)
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{
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{
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return signbit(x);
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return signbit(x);
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}
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}
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int testf (float x)
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int testf (float x)
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{
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{
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return signbitf(x);
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return signbitf(x);
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}
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}
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int testl (long double x)
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int testl (long double x)
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{
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{
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return signbitl(x);
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return signbitl(x);
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}
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}
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int main()
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int main()
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{
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{
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if (test (0.0) != 0)
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if (test (0.0) != 0)
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abort ();
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abort ();
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if (test (1.0) != 0)
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if (test (1.0) != 0)
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abort ();
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abort ();
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if (test (-2.0) == 0)
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if (test (-2.0) == 0)
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abort ();
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abort ();
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if (testf (0.0f) != 0)
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if (testf (0.0f) != 0)
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abort ();
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abort ();
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if (testf (1.0f) != 0)
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if (testf (1.0f) != 0)
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abort ();
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abort ();
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if (testf (-2.0f) == 0)
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if (testf (-2.0f) == 0)
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abort ();
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abort ();
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if (testl (0.0l) != 0)
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if (testl (0.0l) != 0)
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abort ();
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abort ();
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if (testl (1.0l) != 0)
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if (testl (1.0l) != 0)
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abort ();
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abort ();
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if (testl (-2.0l) == 0)
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if (testl (-2.0l) == 0)
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abort ();
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abort ();
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return 0;
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return 0;
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}
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}
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