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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [builtins-6.c] - Rev 298
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/* Copyright (C) 2003 Free Software Foundation. Verify that constant folding comparisons against built-in math functions don't cause any problems for the compiler, and produce expected results. Written by Roger Sayle, 15th March 2003. */ /* { dg-do run } */ /* { dg-options "-O2 -ffast-math" } */ #include <float.h> extern void abort (void); extern double sqrt (double); int test1(double x) { return sqrt(x) < -9.0; } int test2(double x) { return sqrt(x) > -9.0; } int test3(double x) { return sqrt(x) < 9.0; } int test4(double x) { return sqrt(x) > 9.0; } int test5(double x) { return sqrt(x) < DBL_MAX; } int test6(double x) { return sqrt(x) > DBL_MAX; } int main() { double x; x = 80.0; if (test1 (x)) abort (); if (! test2 (x)) abort (); if (! test3 (x)) abort (); if (test4 (x)) abort (); if (! test5 (x)) abort (); if (test6 (x)) abort (); x = 100.0; if (test1 (x)) abort (); if (! test2 (x)) abort (); if (test3 (x)) abort (); if (! test4 (x)) abort (); if (! test5 (x)) abort (); if (test6 (x)) abort (); return 0; }