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author | Richard Maw <richard.maw@codethink.co.uk> | 2012-01-17 14:43:55 +0000 |
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committer | Richard Maw <richard.maw@codethink.co.uk> | 2012-01-17 14:43:55 +0000 |
commit | 2de9abc5c9d40b3c716307d67d16146f823fd554 (patch) | |
tree | 6979db67934ddc8b564150b465846a383b428ff8 /gnulib/tests/test-truncf-ieee.c | |
parent | 33cc1c6fda6e72a7bae1401e9b2cec495a4d3ff1 (diff) | |
download | patch-baserock/bootstrap-pass2.tar.gz |
add the output of bootstrapbaserock/bootstrap-pass2baserock/bootstrap
Diffstat (limited to 'gnulib/tests/test-truncf-ieee.c')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/tests/test-truncf-ieee.c | 43 |
2 files changed, 43 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/tests/test-truncf-ieee.c b/gnulib/tests/test-truncf-ieee.c new file mode 100644 index 0000000..3929f16 --- /dev/null +++ b/gnulib/tests/test-truncf-ieee.c @@ -0,0 +1,43 @@ +/* Test of rounding towards zero. + Copyright (C) 2010-2011 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 + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +#include <config.h> + +#include <math.h> + +#include "minus-zero.h" +#include "macros.h" + +int +main () +{ + /* See IEEE 754, section 6.3: + "the sign of the result of the round floating-point number to + integral value operation is the sign of the operand. These rules + shall apply even when operands or results are zero or infinite." */ + + /* Zero. */ + ASSERT (!signbit (truncf (0.0f))); + ASSERT (!!signbit (truncf (minus_zerof)) == !!signbit (minus_zerof)); + /* Positive numbers. */ + ASSERT (!signbit (truncf (0.3f))); + ASSERT (!signbit (truncf (0.7f))); + /* Negative numbers. */ + ASSERT (!!signbit (truncf (-0.3f)) == !!signbit (minus_zerof)); + ASSERT (!!signbit (truncf (-0.7f)) == !!signbit (minus_zerof)); + + return 0; +} |