Commit 1ab17d9f64900d991443e712f636c9ef6ad543b2
2012-04-03T18:59:33
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.