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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/minus-zero.h | |
parent | 33cc1c6fda6e72a7bae1401e9b2cec495a4d3ff1 (diff) | |
download | patch-baserock/bootstrap-pass2.tar.gz |
add the output of bootstrapbaserock/bootstrap-pass2baserock/bootstrap
Diffstat (limited to 'gnulib/tests/minus-zero.h')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/tests/minus-zero.h | 74 |
2 files changed, 74 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/tests/minus-zero.h b/gnulib/tests/minus-zero.h new file mode 100644 index 0000000..9429781 --- /dev/null +++ b/gnulib/tests/minus-zero.h @@ -0,0 +1,74 @@ +/* Macros for floating-point negative 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/>. */ + +/* Keep in sync with m4/minus-zero.m4! */ + +#include <float.h> + + +/* minus_zerof represents the value -0.0f. */ + +/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0f. + ICC 10.0 has a bug when optimizing the expression -zero. + The expression -FLT_MIN * FLT_MIN does not work when cross-compiling + to PowerPC on MacOS X 10.5. */ +#if defined __hpux || defined __sgi || defined __ICC +static float +compute_minus_zerof (void) +{ + return -FLT_MIN * FLT_MIN; +} +# define minus_zerof compute_minus_zerof () +#else +float minus_zerof = -0.0f; +#endif + + +/* minus_zerod represents the value -0.0. */ + +/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0. + ICC 10.0 has a bug when optimizing the expression -zero. + The expression -DBL_MIN * DBL_MIN does not work when cross-compiling + to PowerPC on MacOS X 10.5. */ +#if defined __hpux || defined __sgi || defined __ICC +static double +compute_minus_zerod (void) +{ + return -DBL_MIN * DBL_MIN; +} +# define minus_zerod compute_minus_zerod () +#else +double minus_zerod = -0.0; +#endif + + +/* minus_zerol represents the value -0.0L. */ + +/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0L. + IRIX cc can't put -0.0L into .data, but can compute at runtime. + ICC 10.0 has a bug when optimizing the expression -zero. + The expression -LDBL_MIN * LDBL_MIN does not work when cross-compiling + to PowerPC on MacOS X 10.5. */ +#if defined __hpux || defined __sgi || defined __ICC +static long double +compute_minus_zerol (void) +{ + return -LDBL_MIN * LDBL_MIN; +} +# define minus_zerol compute_minus_zerol () +#else +long double minus_zerol = -0.0L; +#endif |