New module 'ilogb'.

[gnulib.git] / ChangeLog

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 2012-04-03  Bruno Haible  <bruno@clisp.org>
 
+       New module 'ilogb'.
+       * lib/math.in.h (ilogb): New declaration.
+       * lib/ilogb.c: New file.
+       * m4/ilogb.m4: New file.
+       * m4/math_h.m4 (gl_MATH_H): Test whether ilogb is declared.
+       (gl_MATH_H_DEFAULTS): Initialize GNULIB_ILOGB, HAVE_ILOGB,
+       REPLACE_ILOGB.
+       * modules/math (Makefile.am): Substitute GNULIB_ILOGB, HAVE_ILOGB,
+       REPLACE_ILOGB.
+       * modules/ilogb: New file.
+       * tests/test-math-c++.cc: Check the declaration of ilogb.
+       * doc/posix-functions/ilogb.texi: Mention the new module.
+
+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.