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comparison lib/math.in.h @ 15860:e6ff40a73d85

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New module 'expf'. * lib/math.in.h (expf): New declaration. * lib/expf.c: New file. * m4/expf.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether expf is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_EXPF, HAVE_EXPF. * modules/math (Makefile.am): Substitute GNULIB_EXPF, HAVE_EXPF. * modules/expf: New file. * tests/test-math-c++.cc: Check the declaration of expf. * doc/posix-functions/expf.texi: Mention the new module.
author Bruno Haible <bruno@clisp.org>
date Sat, 08 Oct 2011 22:10:45 +0200
parents 6b8400199763
children c2fa2febdb1f
comparison
equal deleted inserted replaced
15859:92eed8eca765 15860:e6ff40a73d85
225 _GL_WARN_ON_USE (cosl, "cosl is unportable - " 225 _GL_WARN_ON_USE (cosl, "cosl is unportable - "
226 "use gnulib module mathl for portability"); 226 "use gnulib module mathl for portability");
227 # endif 227 # endif
228 #endif 228 #endif
229 229
230
231 #if @GNULIB_EXPF@
232 # if !@HAVE_EXPF@
233 # undef expf
234 _GL_FUNCDECL_SYS (expf, float, (float x));
235 # endif
236 _GL_CXXALIAS_SYS (expf, float, (float x));
237 _GL_CXXALIASWARN (expf);
238 #elif defined GNULIB_POSIXCHECK
239 # undef expf
240 # if HAVE_RAW_DECL_EXPF
241 _GL_WARN_ON_USE (expf, "expf is unportable - "
242 "use gnulib module expf for portability");
243 # endif
244 #endif
230 245
231 #if @GNULIB_EXPL@ 246 #if @GNULIB_EXPL@
232 # if !@HAVE_EXPL@ || !@HAVE_DECL_EXPL@ 247 # if !@HAVE_EXPL@ || !@HAVE_DECL_EXPL@
233 _GL_FUNCDECL_SYS (expl, long double, (long double x)); 248 _GL_FUNCDECL_SYS (expl, long double, (long double x));
234 # endif 249 # endif