Commit f96458bc2604b8ce5f632387d2d948287376b023
2011-10-09T15:42:35
New module 'copysignf'. * lib/math.in.h (copysignf): New declaration. * lib/copysignf.c: New file. * m4/copysignf.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether copysignf is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_COPYSIGNF, HAVE_COPYSIGNF. * modules/math (Makefile.am): Substitute GNULIB_COPYSIGNF, HAVE_COPYSIGNF. * modules/copysignf: New file. * tests/test-math-c++.cc: Check the declaration of copysignf. * doc/posix-functions/copysignf.texi: Mention the new module.