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Add missing long double functions to Cygwin

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This patch adds the long double functions missing in newlib to Cygwin.
Apart from some self-written additions (exp10l, finite{f,l}, isinf{f,l},
isnan{f,l}, pow10l) the files are taken from the Mingw-w64 math lib.
Minor changes were required, e.g. substitue _WIN64 with __x86_64__ and
fixing __FLT_RPT_DOMAIN/__FLT_RPT_ERANGE for Cygwin.

Cygwin:
	* math: New subdir with math functions.
	* Makefile.in (VPATH): Add math subdir.
	(MATH_OFILES): List of object files collected from building files in
	math subdir.
	(DLL_OFILES): Add $(MATH_OFILES).
	${CURDIR}/libm.a: Add $(MATH_OFILES) to build.
	* common.din: Add new functions from math subdir.
	* i686.din: Align to new math subdir.  Remove functions now commonly
	available.
	* x86_64.din: Ditto.
	* math.h: math.h wrapper to define mingw structs used in some files in
	math subdir.
	* include/cygwin/version.h: Bump API minor version.

newlib:
	* libc/include/complex.h: Add prototypes for complex long double
	functions.  Only define for Cygwin.
	* libc/include/math.h: Additionally enable prototypes of long double
	functions for Cygwin.  Add Cygwin-only prototypes for dreml, sincosl,
	exp10l and pow10l.  Explain why we don't add them to newlib.
	* libc/include/tgmath.h: Enable long double handling on Cygwin.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen
2016-03-28 19:35:20 +02:00
parent 087aca6163
commit 792e51b721
142 changed files with 10969 additions and 42 deletions
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13
winsup/cygwin/include/cygwin/version.h
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@@ -478,13 +478,24 @@ details. */
294: Export clog10, clog10f.
295: Export POSIX ACL functions.
296: Export __getpagesize.
297: Export missing math functions, acoshl, acosl, asinhl, asinl, atan2l,
atanhl, atanl, cacoshl, cacosl, cargl, casinhl, casinl, catanhl,
catanl, ccoshl, ccosl, ceill, cexpl, clog10l, clogl, conjl,
copysignl, coshl, cosl, cpowl, cprojl, csinhl, csinl, csqrtl, ctanhl,
ctanl, dreml, erfcl, erfl, exp10l, exp2l, expl, expm1l, fabsl, fdiml,
floorl, fmal, fmaxl, fminl, fmodl, frexpl, ilogbl, isinfl, isnanl,
ldexpl, lgammal, lgammal_r, llroundl, log10l, log1pl, log2l, logbl,
logl, lroundl, modfl, nearbyintl, nextafterl, nexttoward,
nexttowardf, nexttowardl, pow10l, powl, remainderl, remquol, roundl,
scalbl, scalblnl, scalbnl, sincosl, sinhl, sinl, tanhl, tanl,
tgammal, truncl.
*/
/* Note that we forgot to bump the api for ualarm, strtoll, strtoull,
sigaltstack, sethostname. */
#define CYGWIN_VERSION_API_MAJOR 0
#define CYGWIN_VERSION_API_MINOR 296
#define CYGWIN_VERSION_API_MINOR 297
/* There is also a compatibity version number associated with the
shared memory regions. It is incremented when incompatible