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view modules/cosl @ 15940:564c0603a942
cosl: Simplify for platforms where 'long double' == 'double'.
* lib/cosl.c (cosl) [HAVE_SAME_LONG_DOUBLE_AS_DOUBLE]: New alternative
implementation.
* m4/cosl.m4 (gl_FUNC_COSL): Require gl_LONG_DOUBLE_VS_DOUBLE.
Determine COSL_LIBM according to HAVE_SAME_LONG_DOUBLE_AS_DOUBLE.
* modules/cosl (Depends-on): Add cos. Update conditions.
(configure.ac): Don't compile sincosl.c and trigl.c if
HAVE_SAME_LONG_DOUBLE_AS_DOUBLE.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Tue, 11 Oct 2011 02:55:56 +0200 |
parents | 0cee0fa6cf32 |
children |
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Description: cosl() function: cosine function with long double argument. Files: lib/cosl.c lib/trigl.h lib/sincosl.c lib/trigl.c m4/cosl.m4 Depends-on: math extensions cos [test $HAVE_COSL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1] float [test $HAVE_COSL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0] isnanl [test $HAVE_COSL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0] floor [test $HAVE_COSL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0] floorl [test $HAVE_COSL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0] configure.ac: gl_FUNC_COSL if test $HAVE_COSL = 0; then AC_LIBOBJ([cosl]) if test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0; then AC_LIBOBJ([sincosl]) AC_LIBOBJ([trigl]) fi fi gl_MATH_MODULE_INDICATOR([cosl]) Makefile.am: Include: <math.h> Link: $(ACOSL_LIBM) License: LGPL Maintainer: Paolo Bonzini