Mercurial > gnulib
view modules/hypot @ 40166:cdb3438ceb13
strtold: New module.
* lib/stdlib.in.h (strtold): New declaration.
* lib/strtold.c: New file.
* lib/strtod.c: Consider USE_LONG_DOUBLE.
(STRTOD, LDEXP, HAVE_UNDERLYING_STRTOD, DOUBLE, MIN, MAX, L_,
USE_LDEXP): New macros.
(LDEXP, scale_radix_exp, parse_number, STRTOD): Adapt for
USE_LONG_DOUBLE.
(underlying_strtod): Remove function. Replace with some macros.
Re-add the code for a missing underlying function that was removed on
2013-02-19.
* m4/strtold.m4: New file.
* m4/stdlib_h.m4 (gl_STDLIB_H): Test whether strtold is declared.
(gl_STDLIB_H_DEFAULTS): Initialize GNULIB_STRTOLD, HAVE_STRTOLD,
REPLACE_STRTOLD.
* modules/stdlib (Makefile.am): Substitute GNULIB_STRTOLD, HAVE_STRTOLD,
REPLACE_STRTOLD.
* modules/strtold: New file.
* doc/posix-functions/strtold.texi: Document the new module.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Wed, 30 Jan 2019 03:52:31 +0100 |
parents | 1f14c6dd175d |
children |
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Description: hypot() function: length of a vector in the plane. Files: lib/hypot.c m4/hypot.m4 m4/mathfunc.m4 Depends-on: math extensions isfinite [test $REPLACE_HYPOT = 1] fabs [test $REPLACE_HYPOT = 1] frexp [test $REPLACE_HYPOT = 1] ldexp [test $REPLACE_HYPOT = 1] sqrt [test $REPLACE_HYPOT = 1] isinf [test $REPLACE_HYPOT = 1] configure.ac: gl_FUNC_HYPOT if test $REPLACE_HYPOT = 1; then AC_LIBOBJ([hypot]) fi gl_MATH_MODULE_INDICATOR([hypot]) Makefile.am: Include: <math.h> Link: $(HYPOT_LIBM) License: LGPL Maintainer: all