+2012-04-03 Bruno Haible <bruno@clisp.org>
+
+ math: Provide FP_ILOGB0 and FP_ILOGBNAN.
+ * lib/math.in.h (FP_ILOGB0, FP_ILOGBNAN): Define fallback.
+ * tests/test-math.c: Check that FP_ILOGB0, FP_ILOGBNAN are defined.
+ (main): Check their values.
+ * doc/posix-headers/math.texi: Mention the FP_ILOGB0, FP_ILOGBNAN
+ problem.
+
+2012-04-03 Bruno Haible <bruno@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 <bruno@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 <bruno@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 <bruno@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.
+
+2012-04-02 Bruno Haible <bruno@clisp.org>
+
+ log10* tests: Speed up.
+ * tests/test-log10.h (test_function): Reduce amount of random numbers
+ to test.
+
+2012-04-01 Bruno Haible <bruno@clisp.org>
+
+ logf-ieee: Fix test whether logf works.
+ * m4/logf.m4 (gl_FUNC_LOGF): Fix typo in test program.
+
+2012-04-01 Bruno Haible <bruno@clisp.org>
+
+ log10l: Work around log10l-ieee test failure on IRIX 6.5.
+ * lib/log10l.c: Include <float.h>
+ (log10l): On IRIX, normalize the +Infinity value.
+ * modules/log10l (Depends-on): Add 'float'.
+ * doc/posix-functions/log10l.texi: Mention the IRIX problem with
+ +Infinity.
+
+ log10f-ieee: Work around test failure on NetBSD 5.1.
+ * m4/log10f-ieee.m4: New file.
+ * m4/log10f.m4 (gl_FUNC_LOG10F): If gl_FUNC_LOG10F_IEEE is present,
+ test whether log10f works with a negative argument. Replace it if not.
+ * lib/log10f.c (log10f): For negative arguments, return NaN.
+ * modules/log10f-ieee (Files): Add m4/log10f-ieee.m4.
+ (configure.ac): Invoke gl_FUNC_LOG10F_IEEE.
+ * doc/posix-functions/log10f.texi: Mention the log10f-ieee module.
+
+ log10f-ieee: Work around test failure on Solaris 9.
+ * modules/log10f-ieee (Depends-on): Add log10-ieee.
+ (configure.ac): Require gl_FUNC_LOG10F.
+
+ log10-ieee: Work around test failure on NetBSD 5.1 and Solaris 11.
+ * m4/log10-ieee.m4: New file.
+ * m4/log10.m4 (gl_FUNC_LOG10): If gl_FUNC_LOG10_IEEE is present, test
+ whether log10 works with a negative argument. Replace it if not.
+ * lib/log10.c (log10): For negative arguments, return NaN.
+ * modules/log10-ieee (Files): Add m4/log10-ieee.m4.
+ (configure.ac): Invoke gl_FUNC_LOG10_IEEE.
+ * doc/posix-functions/log10.texi: Mention the log10-ieee module.
+
+ Tests for module 'log10l-ieee'.
+ * modules/log10l-ieee-tests: New file.
+ * tests/test-log10l-ieee.c: New file.
+
+ New module 'log10l-ieee'.
+ * modules/log10l-ieee: New file.
+
+ Tests for module 'log10-ieee'.
+ * modules/log10-ieee-tests: New file.
+ * tests/test-log10-ieee.c: New file.
+
+ New module 'log10-ieee'.
+ * modules/log10-ieee: New file.
+
+ Tests for module 'log10f-ieee'.
+ * modules/log10f-ieee-tests: New file.
+ * tests/test-log10f-ieee.c: New file.
+ * tests/test-log10-ieee.h: New file.
+
+ New module 'log10f-ieee'.
+ * modules/log10f-ieee: New file.
+
2012-04-01 Bruno Haible <bruno@clisp.org>
log10l: Work around AIX 5.1, IRIX 6.5, OSF/1 5.1 bug.