30 lines
649 B
C
30 lines
649 B
C
/* Copyright (C) 2003 Free Software Foundation.
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Check that constant folding of built-in math functions doesn't
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break anything and produces the expected results.
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Written by Roger Sayle, 25th May 2003. */
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/* { dg-do link } */
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/* { dg-options "-O2 -ffast-math" } */
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extern void link_error(void);
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extern double exp(double);
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extern double atan(double);
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int main()
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{
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if (exp (1.0) < 2.71 || exp (1.0) > 2.72)
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link_error ();
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if (exp (2.0) < 7.38 || exp (2.0) > 7.39)
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link_error ();
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if (exp (-2.0) < 0.13 || exp (-2.0) > 0.14)
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link_error ();
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if (atan (1.0) < 0.78 || atan (1.0) > 0.79)
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link_error ();
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return 0;
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}
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