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548 Commits

Author SHA1 Message Date
Siddhesh Poyarekar
c2af38aa76 Remove unnecessary factorial array 
kf is n! at the end of the loop, so storing the values is unnecessary.
 2013-02-13 17:19:07 +05:30
Siddhesh Poyarekar
4e92d59e26 Better exp polynomial 
The lesser the __mul calls, the better it is for performance.
 2013-02-13 14:49:50 +05:30
Siddhesh Poyarekar
909279a5cf Optimized mp multiplication 
Don't bother multiplying zeroes since that only wastes cycles.
 2013-02-13 14:16:23 +05:30
Siddhesh Poyarekar
bdf028142e Clean up add_magnitudes and sub_magnitudes 2013-02-13 13:55:29 +05:30
Roland McGrath
f1d70dad53 Remove lots of inline keywords. 2013-02-07 14:44:18 -08:00
Siddhesh Poyarekar
caa99d06e7 Simplify calculation of 2^-m in __mpexp 2013-01-18 11:18:13 +05:30
Siddhesh Poyarekar
d3b9ea6148 Remove unnecessary multiplication with RADIXI 2013-01-18 11:14:34 +05:30
Siddhesh Poyarekar
a897655d7b Fix header comment 2013-01-17 15:05:22 +05:30
Siddhesh Poyarekar
f93a8d1569 Consolidate constant defines into mpa.h 2013-01-16 16:06:48 +05:30
Siddhesh Poyarekar
dd930cc571 Fix the value of TWO 2013-01-16 14:53:53 +05:30
David S. Miller
438ebba294 Use libc_fe*() in 32-bit nearbyint() 
* sysdeps/ieee754/dbl-64/s_nearbyint.c (__nearbyint): Use
	libc_feholdexcept and libc_fesetenv.
 2013-01-15 20:32:13 -08:00
Siddhesh Poyarekar
2a91b5735a Minor tweak to mp multiplication 
Add a local variable to remove extra copies to/from memory in the Z
array.
 2013-01-14 21:53:48 +05:30
Siddhesh Poyarekar
1066a53440 Fix code formatting in mpa.c 
This includes the overridden mpa.c in power4.
 2013-01-14 21:53:43 +05:30
Andreas Schwab
557eead076 Revert "Use ieee754/dbl-64/wordsize-64 on powerpc64" 
This reverts commit 7a9d2c3971.
 2013-01-10 10:44:05 +01:00
Andreas Schwab
d1cdd05138 Revert "sysdeps/ieee754/ldbl-128ibm/e_expl.c" 
This reverts commit 35eb879e3b.
 2013-01-10 10:44:05 +01:00
Siddhesh Poyarekar
7490eb81ae Fix formatting in mpexp.c 2013-01-10 14:59:18 +05:30
Siddhesh Poyarekar
751b85f795 Make __mpexp_twomm1 an array of doubles 
Cleanup to get rid of the `number` muck which is not necessary here.
 2013-01-10 14:59:18 +05:30
Andreas Schwab
35eb879e3b sysdeps/ieee754/ldbl-128ibm/e_expl.c 2013-01-10 09:59:58 +01:00
Andreas Schwab
7a9d2c3971 Use ieee754/dbl-64/wordsize-64 on powerpc64 
* sysdeps/ieee754/ldbl-opt/wordsize-64/s_ceil.c: New file.
	* sysdeps/ieee754/ldbl-opt/wordsize-64/s_finite.c: New file.
	* sysdeps/ieee754/ldbl-opt/wordsize-64/s_floor.c: New file.
	* sysdeps/ieee754/ldbl-opt/wordsize-64/s_frexp.c: New file.
	* sysdeps/ieee754/ldbl-opt/wordsize-64/s_isinf.c: New file.
	* sysdeps/ieee754/ldbl-opt/wordsize-64/s_isnan.c: New file.
	* sysdeps/ieee754/ldbl-opt/wordsize-64/s_llround.c: New file.
	* sysdeps/ieee754/ldbl-opt/wordsize-64/s_logb.c: New file.
	* sysdeps/ieee754/ldbl-opt/wordsize-64/s_lround.c: New file.
	* sysdeps/ieee754/ldbl-opt/wordsize-64/s_modf.c: New file.
	* sysdeps/ieee754/ldbl-opt/wordsize-64/s_nearbyint.c: New file.
	* sysdeps/ieee754/ldbl-opt/wordsize-64/s_remquo.c: New file.
	* sysdeps/ieee754/ldbl-opt/wordsize-64/s_rint.c: New file.
	* sysdeps/ieee754/ldbl-opt/wordsize-64/s_round.c: New file.
	* sysdeps/ieee754/ldbl-opt/wordsize-64/s_scalbln.c: New file.
	* sysdeps/ieee754/ldbl-opt/wordsize-64/s_scalbn.c: New file.
	* sysdeps/ieee754/ldbl-opt/wordsize-64/s_trunc.c: New file.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/Implies: Add
	ieee754/ldbl-opt/wordsize-64.
	* sysdeps/powerpc/powerpc64/Implies: Add
	ieee754/dbl-64/wordsize-64.
 2013-01-10 09:59:58 +01:00
Siddhesh Poyarekar
950c99ca90 Update comments in mpa.c 
Fixed comment style and clearer wording in some cases.
 2013-01-09 19:07:15 +05:30
Siddhesh Poyarekar
fffb407f46 Remove unused __cr and __cpymn 2013-01-04 22:52:12 +05:30
Siddhesh Poyarekar
6420d207bb Fix code formatting 2013-01-04 15:57:13 +05:30
Siddhesh Poyarekar
a9e48ab40e Clean up comment for MP_NO 2013-01-04 15:42:09 +05:30
Siddhesh Poyarekar
b783726459 Remove some commented code 2013-01-04 15:30:34 +05:30
Siddhesh Poyarekar
f8af25d218 Remove commented declarations 2013-01-04 15:10:00 +05:30
Siddhesh Poyarekar
302913e17e Remove argument variable name from function declaration 2013-01-04 14:54:46 +05:30
Joseph Myers
568035b787 Update copyright notices with scripts/update-copyrights. 2013-01-02 19:05:09 +00:00
Siddhesh Poyarekar
0f5477af5d Fix values in __mpexp_twomm1 2013-01-02 17:43:35 +05:30
Siddhesh Poyarekar
44e0d4c20c Split mantissa calculation loop and add branch prediction 2013-01-02 11:44:13 +05:30
Siddhesh Poyarekar
4d55b4e596 Add assert for potential access beyond array bounds in m1np 
The mpexp code has an access into m1np:

  for (i=n-1; i>0; i--,n--) { if (m1np[i][p]+m2>0) break; }

which could break for p >= 18 or i >= 7.  Fortunately this code is
never called due to the way the exp function is implemented since
values having exponent less than -55 return 1.0.  Make sure that if it
gets called in future, it is trapped.
 2013-01-02 11:33:11 +05:30
Siddhesh Poyarekar
da08f647d5 Move more constants into static variables 
Code cleanup.
 2013-01-02 10:07:50 +05:30
Joseph Myers
f4cf5f2d8b Add script to update copyright notices and reformat some to facilitate its use. 2013-01-01 16:29:10 +00:00
Siddhesh Poyarekar
18ea052c3e Favour normal numbers 2012-12-31 16:05:13 +05:30
Siddhesh Poyarekar
085ec079e3 Demystify the magic number 134217729.0 
The number 134217729.0 gets used in various places in e_pow.c but
there is no explanation of what that number is.  Add that explanation.
 2012-12-29 06:56:04 +05:30
Siddhesh Poyarekar
d63f73be34 Remove unnecessary variable mptwoim1 
Code cleanup.
 2012-12-28 19:02:01 +05:30
Siddhesh Poyarekar
6d9f97e1f2 Replace more constants with their values 
Code cleanup.
 2012-12-28 18:53:17 +05:30
Siddhesh Poyarekar
99136f8202 Replace constants with preprocessor defines 
libm Code cleanup.
 2012-12-28 09:40:10 +05:30
Siddhesh Poyarekar
31a7fe5ca9 Remove redundant __mpexp_nn 
It's an array that stores integral float values of the offset.
 2012-12-27 20:43:55 +05:30
Siddhesh Poyarekar
b76eb5f076 Move mpone out to a global const 
Code cleanup.
 2012-12-27 20:43:24 +05:30
Joseph Myers
66ca5a5b93 Include stdlib.h in sysdeps/ieee754/ldbl-128ibm/x2y2m1l.c. 2012-12-05 20:03:45 +00:00
Joseph Myers
b37984ad36 Fix ldbl-128ibm "set but not used" warnings. 2012-12-04 21:19:17 +00:00
Joseph Myers
c33aa6e3e3 Fix "conflicting types for built-in function" warnings from nldbl-*.c. 2012-12-04 20:22:08 +00:00
Joseph Myers
b3b099af03 Fix powl inaccuracy for ldbl-128ibm (bug 14914). 2012-12-04 14:39:24 +00:00
Joseph Myers
9984dd0126 Use hex float 64-bit values in ldbl-96 asinl (bug 14803). 2012-11-28 21:46:16 +00:00
Joseph Myers
0a42601f27 Fix ldbl-128ibm atanl spurious underflows (bug 14871). 2012-11-22 19:56:47 +00:00
Joseph Myers
c60d3bf2fa Fix sign of inexact zero results for ldbl-128ibm fmal. 2012-11-22 15:00:35 +00:00
Joseph Myers
ef1e0867c0 Fix ldbl-128ibm powl spurious underflows. 2012-11-22 14:59:45 +00:00
Joseph Myers
1468ded38e Fix ldbl-128ibm hypotl internal underflows (bug 14869). 2012-11-22 14:58:41 +00:00
Joseph Myers
8e27e3cc45 Fix ldbl-128ibm hypotl inaccuracy for arguments with large ratio (bug 14868). 2012-11-22 14:57:22 +00:00
Joseph Myers
7c7feb4772 Fix expm1l spurious underflows for ldbl-128ibm. 2012-11-22 14:55:17 +00:00
Joseph Myers
cf9a5d1861 Fix set-but-not-used warnings in ldbl-128 nearbyintl, rintl. 2012-11-20 14:26:07 +00:00
David S. Miller
6d33cc9d9b Fix spurious underflows in ldbl-128 atan implementation. 
With help from Joseph Myers.
	* sysdeps/ieee754/ldbl-128/s_atanl.c (__atanl): Handle tiny and
	very large arguments properly.
	* math/libm-test.inc (atan_test): New tests.
	(atan2_test): New tests.
	* sysdeps/sparc/fpu/libm-test-ulps: Update.
	* sysdeps/x86_64/fpu/libm-test-ulps: Update.
 2012-11-19 15:31:24 -08:00
David S. Miller
05b227bdae Correct tinyness handling in long-double and float y0/y1. 
With help from Joseph Myers.
	* sysdeps/ieee754/flt-32/e_j0f.c (__ieee754_y0f): Adjust tinyness
	cutoff to 2**-13.
	* sysdeps/ieee754/flt-32/e_j1f.c (__ieee754_y1f): Adjust tinyness
	cutoff to 2**-25.
	* sysdeps/ieee754/ldbl-128/e_j0l.c (U0): New constant.
	( __ieee754_y0l): Avoid arithmetic underflow when 'x' is very
	small.
	* sysdeps/ieee754/ldbl-128/e_j1l.c (__ieee754_y1l): Likewise.
	* math/libm-test.inc (y0_test): New tests.
	(y1_test): New tests.
	* sysdeps/i386/fpu/libm-test-ulps: Update.
	* sysdeps/x86_64/fpu/libm-test-ulps: Update.
	* sysdeps/sparc/fpu/libm-test-ulps: Update.
 2012-11-18 12:33:53 -08:00
David S. Miller
8e18b86d4a Fix BZ #14811 for ldbl-128 too. 
[BZ #14811]
	* sysdeps/ieee754/ldbl-128/e_powl.c (__ieee754_powl): Saturate
	nonzero exponents with absolute value below 0x1p-128 to +/-
	0x1p-128.
 2012-11-16 21:39:54 -08:00
David S. Miller
447885ebf1 Don't generate underflow for very small values in log1pl. 
* sysdeps/ieee754/ldbl-128/s_log1pl.c (__log1pl): If xm1 is
	smaller than LDBL_EPSILON/2.0L, just return xm1.
 2012-11-16 09:31:38 -08:00
Joseph Myers
60e235ee2a Fix spurious underflows from pow with results close to 1 (bug 14811). 2012-11-07 13:03:31 +00:00
Joseph Myers
82477c28f4 Fix fma underflows with small x * y (bug 14793). 2012-11-06 14:12:54 +00:00
Joseph Myers
a0c2940d67 Fix fma overflow results outside round-to-nearest mode (bug 14797). 2012-11-04 19:26:02 +00:00
Joseph Myers
5b5b04d628 Make fma use of Dekker and Knuth algorithms use round-to-nearest (bug 14796). 2012-11-03 19:48:53 +00:00
Joseph Myers
473611b22d Fix fma (a, b, c) for small a * b (bugs 14784, 14785). 2012-11-01 16:47:26 +00:00
Joseph Myers
16a0e2ec87 Fix ldbl-128ibm atan2l for x near 1. 2012-10-31 20:44:59 +00:00
Joseph Myers
ef82f4da79 Fix fma underflow exceptions in after-rounding edge cases. 2012-10-31 13:01:17 +00:00
Joseph Myers
8627a2329c Fix fma missing underflows and bad results for some subnormal results (bugs 14152, 14783). 2012-10-30 13:54:50 +00:00
Roland McGrath
b8493de0ec Add missing magic to GLIBC_PROVIDES. 2012-10-09 15:41:30 -07:00
Joseph Myers
bec749fda1 Fix sign of inexact zero return from fma (bug 14645). 2012-10-01 08:30:06 +00:00
Joseph Myers
8ec5b01346 Fix sign of exact zero return from fma (bug 14638). 2012-09-29 18:31:54 +00:00
Steve Ellcey
40cb3caf83 Remove sysdeps/ieee754/ldbl-128/bits/huge_vall.h and let builds 
use bits/huge_vall.h instead.  There is no longer any need for
the special huge_vall.h file.
 2012-09-27 14:06:11 -07:00
Joseph Myers
d032e0d29b Fix inaccuracy of clog, clog10 near |z| = 1 (bug 13629). 2012-09-25 19:43:49 +00:00
Liubov Dmitrieva
22bf5c1793 Add optimized sincosf for SSE2 for x86 and x86-64 2012-09-25 20:47:20 +02:00
Liubov Dmitrieva
4ffffbd272 Add optimized sinf and cosf routines for x86 and x86-64 
* sysdeps/i386/i686/fpu/multiarch/Makefile (sysdep_routines):
	Add s_sinf-sse2, s_conf-sse2.

	* sysdeps/i386/i686/fpu/multiarch/s_sinf-sse2.S: New file.
	* sysdeps/i386/i686/fpu/multiarch/s_cosf-sse2.S: New file.
	* sysdeps/i386/i686/fpu/multiarch/s_sinf.c: New file.
	* sysdeps/i386/i686/fpu/multiarch/s_cosf.c: New file.

	* sysdeps/ieee754/flt-32/s_sinf.c (SINF, SINF_FUNC): Add macros
	for using routine as __sinf_ia32.
	Use macro for function declaration and weak_alias.
	* sysdeps/ieee754/flt-32/s_cosf.c (COSF, COSF_FUNC): Add macros
	for using routine as __cosf_ia32.
	Use macro for function declaration and weak_alias.

	* sysdeps/i386/i686/fpu/multiarch/e_expf-sse2.S: Fix Copyright.
	* sysdeps/i386/i686/fpu/multiarch/e_expf.c: Fix Copyright.

	* sysdeps/x86_64/fpu/s_sinf.S: New file.
	* sysdeps/x86_64/fpu/s_cosf.S: New file.
	* sysdeps/x86_64/fpu/libm-test-ulps: Update.

	* math/libm-test.inc (cos_test): Add more test cases.
	(sin_test): Likewise.
	(sincos_test): Likewise.
 2012-09-03 15:32:13 +02:00
Marek Polacek
31035e80a4 Quash warning in s_sincosl. 2012-08-17 23:44:53 +02:00
Roland McGrath
bea9b19322 Fix lots of bitrot for stub configurations. 2012-07-30 16:34:33 -07:00
Marek Polacek
354691b7b5 Set up errno properly for yn. 2012-07-25 12:59:36 +02:00
Marek Polacek
541428fecf Fix ynl return value with LDBL_MIN. 2012-07-12 16:34:47 +02:00
Adhemerval Zanella
28cfe84316 Fix ctan, ctanh of subnormals in round-upwards mode (bug 14328). 
IBM long double fixes and POWER ulps update.
 2012-07-11 09:19:27 -03:00
Joseph Myers
9ad63c23ea Fix tanf underflow close to pi/4 (bug 14154). 2012-07-06 21:19:38 +00:00
Joseph Myers
7a845b2c23 Fix float range reduction problems (bug 14283). 2012-07-03 17:11:41 +00:00
Joseph Myers
b7abb4bf78 Fix wordsize-64 cosh regression (bug 14273). 2012-06-21 19:26:09 +00:00
Joseph Myers
10285c2113 Fix pow (0.0, -Inf) (bug 14241). 2012-06-15 11:27:51 +00:00
Adhemerval Zanella
1b671feb61 Fix for wrong ldbl128-ibm fmodl commit 2012-06-05 21:33:23 -03:00
Adhemerval Zanella
6043738b36 Fix spurious undeflow for ldbl-128ibm erfl 
For values higher than 25.6283 erflc underflow, so adjust erfl
to return a constant value based argument sign.
 2012-06-05 10:42:49 -03:00
Adhemerval Zanella
34ae0b3270 Fix ldbl128ibm fmodl for subnormals. 2012-06-05 10:16:49 -03:00
Joseph Myers
c5bfe3d5ba Fix fmod for subnormals (bug 14048). 2012-06-01 19:05:46 +00:00
Joseph Myers
4842e4fe5f Ensure additions are not scheduled after fetestexcept in fmaf and fmal. 2012-06-01 19:02:21 +00:00
Aurelien Jarno
efb734887e Add a barrier in the double fma implementation. 2012-06-01 19:01:17 +00:00
Andreas Schwab
25dbcb277a Optimize handling of denormals in logb/logbf/logbl 2012-05-26 13:53:22 +02:00
Joseph Myers
b65504975c Fix acosf underflow (bug 14153). 2012-05-25 11:07:07 +00:00
Andreas Schwab
d18ea0c5e6 Remove use of INTDEF/INTUSE in libio 2012-05-24 23:06:20 +02:00
Andreas Schwab
5bd66283db Track dependencies for .oS-only objects 2012-05-16 18:47:38 +02:00
Adhemerval Zanella
9ea01d93f7 Log2 and log10 for wordsize-64. 
This patch also fixes indentation on default dbl-64 code.
 2012-05-15 16:34:41 -03:00
H.J. Lu
c044d724dc Use __builtin_clzll on int64 in __logb 2012-05-14 05:04:11 -07:00
Adhemerval Zanella
89c9aa491a Fix for logb/logbf/logbl (bugs 13954/13955/13956) 
POSIX 2008 states that if the input for 'logb[f|l]' is a subnormal number
it should be treated as if it were normalized.  This means the
implementation should calculate the log2 of the mantissa and add it to the
subnormal exponent (-126 for float and -1022 for double and IBM long
double).  This patch takes care of that.
 2012-05-10 15:11:55 -05:00
Joseph Myers
d8b82cad1b Fix exp10 inaccuracy and exceptions (bugs 13884, 13914). 2012-05-06 18:23:44 +00:00
Joseph Myers
41498f4db1 Fix missing exceptions from exp (bugs 13787, 13922, 14036). 2012-05-05 19:37:39 +00:00
Adhemerval Zanella
31dc8730af Fix for ldbl-128ibm acosl/asinl inaccuracies 
2012-05-02  Adhemerval Zanella  <azanella@linux.vnet.ibm.com>

	* sysdeps/ieee754/ldbl-128ibm/e_acosl.c (__ieee754_acosl): Fix
	long double comparison inaccuracies.
	* sysdeps/ieee754/ldbl-128ibm/e_asinl.c (__ieee754_asinl):
	* Likewise.
	* sysdeps/powerpc/fpu/libm-test-ulps: Update.
 2012-05-04 13:06:32 +02:00
Adhemerval Zanella
4f9d04aa8f Fix nexttoward bugs 
[BZ #2550]
        [BZ #2570]
        * sysdeps/ieee754/ldbl-128ibm/s_nexttoward.c: Use floating-point
        comparisons to determine direction to adjust input.
 2012-05-02 15:14:17 +02:00
Joseph Myers
7cb029ee6e Fix nexttoward bugs (bugs 2550, 2570). 2012-05-01 15:37:43 +00:00
Andreas Schwab
7e0d315da8 Fix formatting of denormal IBM long double numbers 2012-04-28 22:21:27 +02:00
Adhemerval Zanella
0ac229c819 Fix ctan, ctanh overflow for ldbl-128ibm (bug 11521). 2012-04-26 11:18:11 -05:00
Andreas Jaeger
7a99a61461 Finish ilogb changes 
[BZ# 6794]
	* sysdeps/ieee754/ldbl-96/s_ilogbl.c: Moved to ...
	* sysdeps/ieee754/ldbl-96/e_ilogbl.c: ... here.
	Rename __ilogbl to __ieee754_ilogbl and remove weak_alias.

	* sysdeps/ieee754/ldbl-128/s_ilogbl.c: Moved to ...
	* sysdeps/ieee754/ldbl-128/e_ilogbl.c: ... here.
	Rename __ilogbl to __ieee754_ilogbl and remove weak_alias.

	* sysdeps/ieee754/ldbl-64-128/s_ilogbl.c: Moved to ...
	* sysdeps/ieee754/ldbl-64-128/e_ilogbl.c: ... here.

	* sysdeps/sparc/sparc64/soft-fp/s_ilogbl.c: Moved to ...
	* sysdeps/sparc/sparc64/soft-fp/e_ilogbl.c: ... here.
	Rename __ilogbl to __ieee754_ilogbl and remove weak_alias.
 2012-04-18 14:31:43 +02:00
Andreas Schwab
fb5e92c979 Remove useless __ilogb*_finite aliases 2012-04-18 00:40:13 +02:00
Adhemerval Zanella
76da726532 Fix ilogb exception and errno (bug 6794) 
[BZ #6794]
Following Joseph comments about bug 6794, here is a proposed fix. It turned out
to be a large fix mainly because I had to move some file along to follow libm
files/names conventions.

Basically I have added wrappers (w_ilogb.c, w_ilogbf.c, w_ilogbl.c) that now calls
the symbol '__ieee754_ilogb'. The wrappers checks for '__ieee754_ilogb' output and
set the errno and raise exceptions as expected.

The '__ieee754_ilogb' is implemented in sysdeps. I have moved the 's_ilogb[f|l]' files
to e_ilogb[f|l] and renamed the '__ilogb[f|l]' to '__ieee754_ilogb[f|l]'.

I also found out a bug in i386 and x86-64 assembly coded ilogb implementation where
it raises a FE_DIVBYZERO when argument is '0.0'. I corrected this issue as well.

Finally I added the errno and FE_INVALID tests for 0.0, NaN and +-InF argument. Tested
on i386, x86-64, ppc32 and ppc64.
 2012-04-17 22:12:53 +02:00
Joseph Myers
d7dd945398 Fix missing overflow exceptions from pow (bug 13873). 2012-04-09 09:43:18 +00:00
Aurelien Jarno
f77f123206 Use __kernel_standard instead of __kernel_standard_f in exp wrapper (bug 13705). 2012-04-08 22:45:13 +00:00
Joseph Myers
d6270972f7 Fix pow of negative numbers to integer exponents (bugs 369, 2678, 3866). 2012-03-28 14:57:58 +00:00
Joseph Myers
41bf21a1e7 Avoid overflows from long double functions using __kernel_standard. 2012-03-28 09:32:12 +00:00
Andreas Schwab
a3f61311c0 Fix undue underflow in ldbl-128ibm version of expl 2012-03-26 14:19:35 +02:00
Joseph Myers
c0df8e693f Fix low-part sign handling in sin/cos for ldbl-128 and ldbl-128ibm. 2012-03-22 12:52:50 +00:00
Andreas Schwab
dcb3398838 Fix missing overflow/underflow exception in ldbl-128ibm version of powl 2012-03-21 23:59:22 +01:00
Andreas Schwab
7998fa7899 Disable use of FMA instructions in branred 2012-03-21 23:58:50 +01:00
Joseph Myers
2460d3aa21 Fix pow of zero and infinity to large powers. 2012-03-21 12:16:00 +00:00
Joseph Myers
7726d6a95d Fix atan2 spurious exceptions (bug 11451). 2012-03-19 20:11:09 +00:00
Richard Henderson
0fe0f1f86f Create and use libc_feupdateenv_test. 
We can reduce the number of STMXCSR, and often we can avoid the
call to __feraiseexcept.
 2012-03-19 06:50:41 -07:00
Richard Henderson
eb92c487b3 Create and use SET_RESTORE_ROUND{,_NOEX,_53BIT}{,F,L}. 2012-03-19 06:49:44 -07:00
Richard Henderson
4851a949b4 Make inline __isnan, __isinf_ns, __finite generic. 
For code generation to stay identical on x86_64, this requires that
we define the fp word manipulation macros before including the
generic header.
 2012-03-19 06:47:43 -07:00
H.J. Lu
eb0f39b6b7 Make lround the alias of llround for wordsize-64 2012-03-16 15:20:45 -07:00
Joseph Myers
11b90b9f50 Fix tan, tanl for large inputs. 2012-03-16 20:05:37 +00:00
Joseph Myers
96cbe7f482 Include program generating __sincosl_table in comment. 2012-03-16 15:18:19 +00:00
Joseph Myers
8848d99dce Implement ldbl-96 sinl / cosl / sincosl (bug 13851). 2012-03-16 12:30:05 +00:00
Andreas Jaeger
c4814b6b3a Implement and use libc_feholdexcept_setround_53bit and libc_feupdateenv_53bit 
so that double arithmetic in s_sin is done in 53 bit (without extend i386 double precision)
 2012-03-14 17:20:10 +01:00
David S. Miller
7c10fd3515 Fix hypotf overflow/underflow by using double precision instead of scaling. 
[BZ #13840]
	* sysdeps/ieee754/flt-32/e_hypotf.c (__ieee754_hypotf): Rewrite to use
	double-precision for the calculation instead of scaling.
 2012-03-13 18:08:58 -07:00
Joseph Myers
f453b98b6b Clean up dbl-64 rint, nearbyint. 2012-03-13 14:12:44 +00:00
David S. Miller
2a8ab7f265 Fix generic ldbl-128 expm1l just like x86-64 and i386 variants were. 
* sysdeps/ieee754/ldbl-128/s_expm1l.c (__expm1l): Use expl for
	large parameters.
 2012-03-13 01:18:55 -07:00
Richard Henderson
1ed0291c31 Use <> for math.h and math_private.h everywhere. 
Entire tree edited via find | grep | sed.
 2012-03-09 16:09:10 -08:00
Richard Henderson
38842f4553 Use target-specific math_private.h in math_ldbl_opt.h. 2012-03-09 08:08:11 -08:00
Marek Polacek
a53b7a4e4b Fix up long double fphex. 2012-03-06 22:08:16 +01:00
Andreas Schwab
bbb78d030e Fix loss of precision in cosh and sinh for IBM long double 2012-03-05 20:38:17 +01:00
Joseph Myers
b7cd39e8f8 Fix pow in non-default rounding modes (bug 3976). 2012-03-05 12:22:46 +00:00
Joseph Myers
804360ed83 Fix sin, cos, tan in non-default rounding modes (bug 3976). 2012-03-02 20:51:39 +00:00
Joseph Myers
a6d06d7b86 Fix scalbn, scalbln integer overflow. 2012-03-02 15:32:56 +00:00
Joseph Myers
28afd92dbd Fix exp in non-default rounding modes (bug 3976). 2012-03-02 15:12:53 +00:00
Joseph Myers
7b1902cb3e Improve erfc accuracy. 2012-03-01 21:15:38 +00:00
David S. Miller
a78bc6549c Fix ldbl-128 rintl/nearbyintl just like flt-32 variants. 
* sysdeps/ieee754/ldbl-128/s_nearbyintl.c (__nearbyintl): Do not
	manipulate bits before adding and subtracting TWO112[sx].
	* sysdeps/ieee754/ldbl-128/s_rintl.c (__rintl): Likewise.
 2012-02-27 14:51:45 -08:00
Andreas Schwab
c20105c398 Replace sysdeps/ieee754/dbl-64/k_tan.c with empty file 2012-02-26 16:10:46 +01:00
Joseph Myers
6cbeae4719 Fix nearbyintf rounding. 2012-02-22 13:03:40 +00:00
Joseph Myers
fe45ce09f3 Fix rintf rounding. 2012-02-22 13:01:20 +00:00
Aurelien Jarno
92221550d7 Use non-signaling floating-point comparisons in math functions. 2012-02-19 11:20:18 +01:00
Paul Eggert
59ba27a63a Replace FSF snail mail address with URLs. 2012-02-09 23:18:22 +00:00
Joseph Myers
8db2188281 Remove __STDC__ conditionals from libm. 2012-01-27 17:29:45 +00:00
Ulrich Drepper
0cc5ed3b01 Optimized acosh for 64-bit platforms 2012-01-11 22:01:09 -05:00
Ulrich Drepper
41d0e8696f Optimize scalbln 2012-01-11 12:49:16 -05:00
Ulrich Drepper
daa891c0e8 Optimize s_modf 2012-01-10 22:26:22 -05:00
Ulrich Drepper
a47a831ad8 Optimize ldexp and scalbn 2012-01-10 20:52:29 -05:00
Ulrich Drepper
d6e97a1da0 Some branch prediction for log1p 2012-01-09 18:59:04 -05:00
Ulrich Drepper
a0da5fe1e4 More fallout from supporting only ELF 2012-01-08 00:45:01 -05:00
Ulrich Drepper
a784e50247 Remove pre-ISO C support 
No more __const.
 2012-01-07 23:57:22 -05:00
Ulrich Drepper
0269750ca6 Remove non-ELF support 2012-01-07 20:30:26 -05:00
Ulrich Drepper
8ad89ef88d Avoid warnings about unused variable in 96-bit j0l and j1l 2011-11-12 02:20:29 -05:00
Ulrich Drepper
0c822ef988 Avoid warnings about unused variables in 96-bit hypotl 2011-11-12 02:15:07 -05:00
Marek Polacek
aaddc98c25 Remove unused variables 2011-11-11 13:27:59 -05:00