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* Put LGPLv3+ notices in source files where appropriate.Bruno Haible2021-06-041-7/+7
| | | | | * lib/**.{h,c}: Use LGPLv3+ notice whenever the module description says so.
* all: prefer https: URLsPaul Eggert2017-09-131-1/+1
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* math code: Add comments.Bruno Haible2012-02-291-0/+2
| | | | | | | | | | | | | * lib/acosl.c: Add comment about related glibc source files. * lib/asinl.c: Likewise. * lib/atanl.c: Likewise. * lib/expl.c: Likewise. * lib/logl.c: Likewise. * lib/sincosl.c: Likewise. * lib/sinl.c: Likewise. * lib/tanl.c: Likewise. * lib/trigl.c: Likewise. * lib/cosl.c: Likewise. Fix comments.
* atanl: Simplify for platforms where 'long double' == 'double'.Bruno Haible2011-10-111-0/+12
| | | | | | | | * lib/atanl.c (atanl) [HAVE_SAME_LONG_DOUBLE_AS_DOUBLE]: New alternative implementation. * m4/atanl.m4 (gl_FUNC_ATANL): Require gl_LONG_DOUBLE_VS_DOUBLE. Determine ATANL_LIBM according to HAVE_SAME_LONG_DOUBLE_AS_DOUBLE. * modules/atanl (Depends-on): Add atan. Update conditions.
* Use spaces for indentation, not tabs.Bruno Haible2009-12-101-5/+5
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* Move the isnanf(), isnand(), isnanl() declarations to <math.h>.Bruno Haible2008-10-191-2/+0
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* Change copyright notice from GPLv2+ to GPLv3+.Bruno Haible2007-10-071-6/+4
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* Better support of signalling NaNs.Bruno Haible2007-03-261-3/+4
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* New module 'math'. <math.h> replaces mathl.h.Bruno Haible2007-02-181-20/+22
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* *** empty log message ***Paul Eggert2005-05-141-1/+1
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* Add GPL notice, to match glibc's added LGPL notice.Paul Eggert2004-10-061-7/+32
| | | | (atanl): Keep the code as similar to glibc as possible.
* Transcendental functions for 'long double', from Paolo Bonzini.Bruno Haible2003-02-181-0/+200