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nonblocking: provide O_NONBLOCK for mingw
[gnulib.git]
/
tests
/
test-math.c
diff --git
a/tests/test-math.c
b/tests/test-math.c
index
56cf058
..
8565925
100644
(file)
--- a/
tests/test-math.c
+++ b/
tests/test-math.c
@@
-1,5
+1,5
@@
/* Test of <math.h> substitute.
/* Test of <math.h> substitute.
- Copyright (C) 2007
, 2008
Free Software Foundation, Inc.
+ Copyright (C) 2007
-2011
Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@
-30,9
+30,24
@@
choke me
static float n = NAN;
#endif
static float n = NAN;
#endif
+/* Compare two numbers with ==.
+ This is a separate function because IRIX 6.5 "cc -O" miscompiles an
+ 'x == x' test. */
+static int
+numeric_equal (double x, double y)
+{
+ return x == y;
+}
+
int
int
-main ()
+main (
void
)
{
double d = NAN;
{
double d = NAN;
- return d == d;
+ double zero = 0.0;
+ if (numeric_equal (d, d))
+ return 1;
+ d = HUGE_VAL;
+ if (!numeric_equal (d, 1.0 / zero))
+ return 1;
+ return 0;
}
}