The next math function to be supported by gnulib is logb(), with its
variants logbf(), logbl().
Notable bugs fixed: glibc, Solaris, and Cygwin 1.5.x return a wrong result
when the argument is a denormalized number.
2012-04-03 Bruno Haible <br...@clisp.org>
Tests for module 'logbl-ieee'.
* modules/logbl-ieee-tests: New file.
* tests/test-logbl-ieee.c: New file.
New module 'logbl-ieee'.
* modules/logbl-ieee: New file.
Tests for module 'logb-ieee'.
* modules/logb-ieee-tests: New file.
* tests/test-logb-ieee.c: New file.
New module 'logb-ieee'.
* modules/logb-ieee: New file.
Tests for module 'logbf-ieee'.
* modules/logbf-ieee-tests: New file.
* tests/test-logbf-ieee.c: New file.
* tests/test-logb-ieee.h: New file.
New module 'logbf-ieee'.
* modules/logbf-ieee: New file.
2012-04-03 Bruno Haible <br...@clisp.org>
Tests for module 'logbl'.
* modules/logbl-tests: New file.
* tests/test-logbl.c: New file.
New module 'logbl'.
* lib/math.in.h (logbl): New declaration.
* lib/logbl.c: New file.
* m4/logbl.m4: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether logbl is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_LOGBL, HAVE_LOGBL,
REPLACE_LOGBL.
* modules/math (Makefile.am): Substitute GNULIB_LOGBL, HAVE_LOGBL,
REPLACE_LOGBL.
* modules/logbl: New file.
* tests/test-math-c++.cc: Check the declaration of logbl.
* doc/posix-functions/logbl.texi: Mention the new module.
2012-04-02 Bruno Haible <br...@clisp.org>
Tests for module 'logbf'.
* modules/logbf-tests: New file.
* tests/test-logbf.c: New file.
New module 'logbf'.
* lib/math.in.h (logbf): New declaration.
* lib/logbf.c: New file.
* m4/logbf.m4: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether logbf is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_LOGBF, HAVE_LOGBF,
REPLACE_LOGBF.
* modules/math (Makefile.am): Substitute GNULIB_LOGBF, HAVE_LOGBF,
REPLACE_LOGBF.
* modules/logbf: New file.
* tests/test-math-c++.cc: Check the declaration of logbf.
* doc/posix-functions/logbf.texi: Mention the new module.
2012-04-02 Bruno Haible <br...@clisp.org>
logb tests: More tests.
* tests/test-logb.h: New file, based on tests/test-logb.c and
tests/test-frexp.h.
* tests/test-logb.c: Include minus-zero.h, test-logb.h.
(main): Just invoke test_function.
* modules/logb-tests (Files): Add tests/test-logb.h,
tests/minus-zero.h, tests/randomd.c.
(Makefile.am): Add randomd.c to test_logb_SOURCES.
logb: Provide replacement and workarounds.
* lib/math.in.h (logb): Ensure declaration. Replace if REPLACE_LOGB
is 1.
* lib/logb.c: New file.
* m4/logb.m4 (gl_FUNC_LOGB_WORKS): New macro.
(gl_FUNC_LOGB): Invoke it. Set HAVE_LOGB, REPLACE_LOGB.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_LOGB.
* modules/math (Makefile.am): Substitute REPLACE_LOGB.
* modules/logb (Files): Add lib/logb.c.
(Depends-on): Add isfinite, frexp, isnand.
(configure.ac): Compile the replacement code logb.c if needed.
* tests/test-math-c++.cc: Check the declaration of logb.
* doc/posix-functions/logb.texi: Mention the replacement and the bug
with subnormal numbers.
