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view modules/copysignl @ 40171:fbfa1d6417d9

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strtod, strtold tests: Simplify tests. * tests/test-strtod.c (main): Assume no rounding errors for 0.5. * tests/test-strtold.c (main): Likewise.
author Bruno Haible <bruno@clisp.org>
date Fri, 01 Feb 2019 02:51:20 +0100
parents 1f14c6dd175d
children
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Description:
copysignl() function: copy sign into another 'long double' number.

Files:
lib/copysignl.c
m4/copysignl.m4
m4/mathfunc.m4

Depends-on:
math
extensions
copysign        [test $HAVE_COPYSIGNL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1]
signbit         [test $HAVE_COPYSIGNL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]

configure.ac:
gl_FUNC_COPYSIGNL
if test $HAVE_COPYSIGNL = 0; then
  AC_LIBOBJ([copysignl])
fi
gl_MATH_MODULE_INDICATOR([copysignl])

Makefile.am:

Include:
<math.h>

Link:
$(COPYSIGNL_LIBM)

License:
LGPL

Maintainer:
all