diff options
| -rw-r--r-- | ChangeLog | 10 | ||||
| -rw-r--r-- | doc/posix-functions/truncl.texi | 2 | ||||
| -rw-r--r-- | modules/truncl-ieee | 23 | ||||
| -rw-r--r-- | modules/truncl-ieee-tests | 16 | ||||
| -rw-r--r-- | modules/truncl-tests | 1 | ||||
| -rw-r--r-- | tests/test-truncl-ieee.c | 37 | ||||
| -rw-r--r-- | tests/test-truncl.c | 2 |
7 files changed, 87 insertions, 4 deletions
@@ -1,5 +1,15 @@ 2010-12-21 Bruno Haible <bruno@clisp.org> + New module 'truncl-ieee'. + * modules/truncl-ieee: New file. + * modules/truncl-ieee-tests: New file. + * tests/test-truncl-ieee.c: New file, based on tests/test-truncl.c. + * tests/test-truncl.c (main): Remove signbit tests. + * modules/truncl-tests (Depends-on): Remove signbit. + * doc/posix-functions/truncl.texi: Mention the new module. + +2010-12-21 Bruno Haible <bruno@clisp.org> + New module 'ceill-ieee'. * modules/ceill-ieee: New file. * modules/ceill-ieee-tests: New file. diff --git a/doc/posix-functions/truncl.texi b/doc/posix-functions/truncl.texi index 8afac2f358..442704ec06 100644 --- a/doc/posix-functions/truncl.texi +++ b/doc/posix-functions/truncl.texi @@ -4,7 +4,7 @@ POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/truncl.html} -Gnulib module: truncl +Gnulib module: truncl or truncl-ieee Portability problems fixed by Gnulib: @itemize diff --git a/modules/truncl-ieee b/modules/truncl-ieee new file mode 100644 index 0000000000..b3acf18bb9 --- /dev/null +++ b/modules/truncl-ieee @@ -0,0 +1,23 @@ +Description: +truncl() function according to ISO C 99 with IEC 60559. + +Files: + +Depends-on: +truncl + +configure.ac: + +Makefile.am: + +Include: +<math.h> + +Link: +$(TRUNCL_LIBM) + +License: +LGPL + +Maintainer: +Bruno Haible diff --git a/modules/truncl-ieee-tests b/modules/truncl-ieee-tests new file mode 100644 index 0000000000..a2fed3fdf5 --- /dev/null +++ b/modules/truncl-ieee-tests @@ -0,0 +1,16 @@ +Files: +tests/test-truncl-ieee.c +tests/minus-zero.h +tests/macros.h + +Depends-on: +fpucw +float +signbit + +configure.ac: + +Makefile.am: +TESTS += test-truncl-ieee +check_PROGRAMS += test-truncl-ieee +test_truncl_ieee_LDADD = $(LDADD) @TRUNCL_LIBM@ diff --git a/modules/truncl-tests b/modules/truncl-tests index 47276e2c1f..01bcf73921 100644 --- a/modules/truncl-tests +++ b/modules/truncl-tests @@ -9,7 +9,6 @@ Depends-on: fpucw isnanl-nolibm float -signbit configure.ac: diff --git a/tests/test-truncl-ieee.c b/tests/test-truncl-ieee.c new file mode 100644 index 0000000000..de6c9adf0b --- /dev/null +++ b/tests/test-truncl-ieee.c @@ -0,0 +1,37 @@ +/* Test of rounding towards zero. + Copyright (C) 2010 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 "fpucw.h" +#include "minus-zero.h" +#include "macros.h" + +int +main () +{ + DECL_LONG_DOUBLE_ROUNDING + + BEGIN_LONG_DOUBLE_ROUNDING (); + + /* Zero. */ + ASSERT (!signbit (truncl (0.0L))); + ASSERT (!!signbit (truncl (minus_zerol)) == !!signbit (minus_zerol)); + + return 0; +} diff --git a/tests/test-truncl.c b/tests/test-truncl.c index f2a9644eac..ab1f4443f3 100644 --- a/tests/test-truncl.c +++ b/tests/test-truncl.c @@ -40,9 +40,7 @@ main () /* Zero. */ ASSERT (truncl (0.0L) == 0.0L); - ASSERT (!signbit (truncl (0.0L))); ASSERT (truncl (minus_zerol) == 0.0L); - ASSERT (!!signbit (minus_zerol) == !!signbit (truncl (minus_zerol))); /* Positive numbers. */ ASSERT (truncl (0.3L) == 0.0L); ASSERT (truncl (0.7L) == 0.0L); |