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| Rev 154 |
Rev 816 |
/* Copyright (C) 2003 Free Software Foundation.
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/* Copyright (C) 2003 Free Software Foundation.
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Verify that constant folding comparisons against built-in math functions
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Verify that constant folding comparisons against built-in math functions
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don't cause any problems for the compiler, and produce expected results.
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don't cause any problems for the compiler, and produce expected results.
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Written by Roger Sayle, 15th March 2003. */
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Written by Roger Sayle, 15th March 2003. */
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/* { dg-do run } */
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/* { dg-do run } */
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/* { dg-options "-O2 -ffast-math" } */
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/* { dg-options "-O2 -ffast-math" } */
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#include <float.h>
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#include <float.h>
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extern void abort (void);
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extern void abort (void);
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extern double sqrt (double);
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extern double sqrt (double);
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int test1(double x)
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int test1(double x)
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{
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{
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return sqrt(x) < -9.0;
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return sqrt(x) < -9.0;
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}
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}
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int test2(double x)
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int test2(double x)
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{
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{
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return sqrt(x) > -9.0;
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return sqrt(x) > -9.0;
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}
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}
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int test3(double x)
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int test3(double x)
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{
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{
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return sqrt(x) < 9.0;
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return sqrt(x) < 9.0;
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}
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}
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int test4(double x)
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int test4(double x)
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{
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{
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return sqrt(x) > 9.0;
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return sqrt(x) > 9.0;
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}
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}
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int test5(double x)
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int test5(double x)
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{
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{
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return sqrt(x) < DBL_MAX;
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return sqrt(x) < DBL_MAX;
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}
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}
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int test6(double x)
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int test6(double x)
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{
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{
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return sqrt(x) > DBL_MAX;
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return sqrt(x) > DBL_MAX;
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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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double x;
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double x;
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x = 80.0;
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x = 80.0;
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if (test1 (x))
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if (test1 (x))
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abort ();
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abort ();
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if (! test2 (x))
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if (! test2 (x))
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abort ();
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abort ();
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if (! test3 (x))
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if (! test3 (x))
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abort ();
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abort ();
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if (test4 (x))
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if (test4 (x))
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abort ();
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abort ();
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if (! test5 (x))
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if (! test5 (x))
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abort ();
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abort ();
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if (test6 (x))
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if (test6 (x))
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abort ();
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abort ();
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x = 100.0;
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x = 100.0;
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if (test1 (x))
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if (test1 (x))
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abort ();
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abort ();
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if (! test2 (x))
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if (! test2 (x))
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abort ();
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abort ();
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if (test3 (x))
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if (test3 (x))
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abort ();
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abort ();
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if (! test4 (x))
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if (! test4 (x))
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abort ();
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abort ();
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if (! test5 (x))
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if (! test5 (x))
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abort ();
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abort ();
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if (test6 (x))
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if (test6 (x))
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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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