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newlib/winsup/cygwin/math
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Ray Donnelly 96fc528397 sqrt: Fix NaN propagation for IEEE Std 754-2008 
The R language has some hacks specifically for mingw-w64 that
were caused by our handling of NaNs in sqrt(x). R uses a
special valued NaN to mean 'Not Available' and expects it to
be retained through various calculations. Our sqrt(x) doesn't
do this, instead it normalises such a NaN (retaining sign).

From:

http://wwwf.imperial.ac.uk/~drmii/M3SC_2016/IEEE_2008_4610935.pdf

"6.2.3 NaN propagation

An operation that propagates a NaN operand to its result and
has a single NaN as an input should produce a NaN with the
payload of the input NaN if representable in the destination
format."

There might even be a slight speed-up from this too.

Thanks to Duncan Murdoch for finding the reference.
2016-08-22 14:17:58 +02:00
..
acosh.def.h
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acoshl.c
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acosl.c
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asinhl.c
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asinl.c
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atan2l.c
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atanhl.c
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atanl.c
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cabs.def.h
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cabsl.c
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cacos.def.h
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cacosh.def.h
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cacosl.c
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carg.def.h
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cargl.c
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casin.def.h
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casinh.def.h
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casinl.c
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2016-03-29 14:43:55 +02:00
catan.def.h
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catanh.def.h
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catanl.c
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cbrtl.c
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ccos.def.h
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ccosh.def.h
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ccosl.c
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ceil.S
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ceilf.S
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ceill.S
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cephes_emath.c
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cephes_emath.h
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cephes_mconf.h
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cexp.def.h
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cexpl.c
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cimag.def.h
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cimagl.c
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clog10.def.h
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clog10l.c
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clog.def.h
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clogl.c
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complex_internal.h
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conj.def.h
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conjl.c
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copysignl.S
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cos.def.h
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coshl.c
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cosl_internal.S
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cosl.c
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cossin.c
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cpow.def.h
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cpowl.c
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cproj.def.h
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cprojl.c
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creal.def.h
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creall.c
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csin.def.h
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csinh.def.h
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csinl.c
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csqrt.def.h
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csqrtl.c
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ctan.def.h
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ctanh.def.h
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ctanl.c
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DISCLAIMER.PD
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erfl.c
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exp2.S
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exp2l.S
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exp10l.c
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exp.def.h
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expl.c
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expm1.def.h
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expm1l.c
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fabsl.c
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fastmath.h
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fdiml.c
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finite.c
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floorl.S
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fmal.c
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fmaxl.c
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fminl.c
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fmodl.c
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frexpl.S
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ilogbl.S
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internal_logl.S
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isinf.c
cygwin/math: make isinf functions signed
2016-04-04 10:25:34 -05:00
isnan.c
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ldexpl.c
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lgammal.c
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llrint.c
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llrintf.c
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llrintl.c
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llroundl.c
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log1pl.S
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log2l.S
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log10l.S
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log.def.h
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logbl.c
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logl.c
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lrint.c
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lrintf.c
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lrintl.c
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lroundl.c
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modfl.c
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nanl.c
Add missing nanl
2016-03-29 17:39:17 +02:00
nearbyint.S
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nearbyintf.S
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nearbyintl.S
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nextafterl.c
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nexttoward.c
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nexttowardf.c
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pow10l.c
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pow.def.h
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powi.def.h
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powil.c
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powl.c
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remainder.S
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remainderf.S
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remainderl.S
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remquol.S
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rint.c
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rintf.c
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rintl.c
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roundl.c
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scalbl.S
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scalbnl.S
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sin.def.h
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sinhl.c
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sinl_internal.S
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sinl.c
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sqrt.def.h
sqrt: Fix NaN propagation for IEEE Std 754-2008
2016-08-22 14:17:58 +02:00
sqrtl.c
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tanhl.c
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tanl.S
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tgammal.c
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2016-03-29 14:43:55 +02:00
truncl.c
truncl: Fix setting rounding bits in FPU control word
2016-07-18 22:00:17 +02:00