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379 Commits

Author SHA1 Message Date
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
Ulrich Drepper
cb95113e30 Fix accuracy problem in generic sin 2011-10-29 14:08:56 -04:00
Andreas Schwab
804791474d Fix uses of math_force_eval 2011-10-26 11:44:08 +02:00
Ulrich Drepper
e0016b11d6 Add AVX optimized versions for some x86-64 math functions 2011-10-25 21:34:55 -04:00
Ulrich Drepper
d7826aa149 Use math_force_eval in more places 2011-10-25 10:52:45 -04:00
Ulrich Drepper
31d3cc00b0 Cleanup FMA4 patch 
Move the FMA4 code into its own section.  Avoid some of the duplication
of data resulting from the double use of source files.
 2011-10-25 00:56:33 -04:00
Ulrich Drepper
af968f62f2 Optimize accurate 64-bit routines for FMA4 on x86-64 2011-10-24 20:19:17 -04:00
Ulrich Drepper
58985aa92f Finish renamed DLA_FMA -> DLA_FMS 2011-10-24 14:21:18 -04:00
Ulrich Drepper
bb3129bd25 Optimized remquo for 64-bit platforms 2011-10-23 21:31:21 -04:00
Ulrich Drepper
0275fff8a1 Optimize f_mod 
Branch prediction for the 32-bit implementation and a new optimized
64-bit implementation.
 2011-10-23 20:55:26 -04:00
Ulrich Drepper
774a2669af Clean up FMA use 
The macro's name should reflect that subtraction is being done.  And
use __builtin_fma, it seems to work after all.
 2011-10-23 13:31:01 -04:00
Ulrich Drepper
c8b3296bbe Clean up last dla.h change 2011-10-23 12:50:28 -04:00
Andreas Schwab
246ad57ad6 Add missing _finite aliases 2011-10-23 15:32:05 +02:00
Ulrich Drepper
fa36182bda Improve DLA_FMA for FMA4 2011-10-22 19:53:33 -04:00
Ulrich Drepper
a1a8716924 Start using fma in the libm implementation 2011-10-22 19:02:20 -04:00
Andreas Schwab
ee2aafe08e Fix compilation due to __nan defines 2011-10-22 14:03:26 +02:00
Ulrich Drepper
bc62c2fb15 Optimization to some complex math functions 
Also, change last reference to __sqrt into __sqrt to easily.
 2011-10-22 00:32:39 -04:00
Ulrich Drepper
8ec250a484 Add some __builtin_expect to generic __ieee754_log 2011-10-21 12:28:42 -04:00
Ulrich Drepper
d9a8d0abcc Use new internal libc_fe* interfaces in more functions 2011-10-18 15:11:31 -04:00
Ulrich Drepper
4855e3ddf5 Provide combined internal feholdexcept/fesetround interface 2011-10-18 09:59:04 -04:00
Ulrich Drepper
d38f1dba00 Start optimizing the use of the fenv interfaces in libm itself 2011-10-18 09:00:46 -04:00
Ulrich Drepper
99ce7b04ed Small optimization of generic exp2 2011-10-17 23:16:34 -04:00
Ulrich Drepper
1004d1821e Add optimized 64-bit frexp 2011-10-17 22:30:44 -04:00
Ulrich Drepper
ad0f5cad15 Use rounds{s,d} for x86 rint, ceil, floor 2011-10-16 20:58:17 -04:00
Ulrich Drepper
d4a285692a Optimized floor for 64-bit architectures 2011-10-15 21:44:45 -04:00
Ulrich Drepper
b61099b50a Add cosh optimized for 64-bit architectures 2011-10-15 20:47:01 -04:00
Ulrich Drepper
bcf01e6d80 Optimize exp 
Add __exp*_finite optimizations and rewrite some wrappers.
 2011-10-15 20:22:59 -04:00
Ulrich Drepper
0ac5ae2335 Optimize libm 
libm is now somewhat integrated with gcc's -ffinite-math-only option
and lots of the wrapper functions have been optimized.
 2011-10-12 11:27:51 -04:00
Andreas Schwab
12cc2fcdb4 Implement __isinf_nsl for IBM long double 2011-10-10 21:39:59 +02:00
Roland McGrath
c658d255e9 Fix some nit warnings. 2011-10-08 15:25:08 -07:00
Ulrich Drepper
7edb55ce06 Optimize use of isnan, isinf, finite 2011-10-08 10:18:26 -04:00
Ulrich Drepper
88738eb6e9 finite for 64-bit platforms 2011-09-15 23:01:56 -04:00
Ulrich Drepper
8682f8b0e4 Optimize logb code for 64-bit machines 2011-09-12 16:21:24 -04:00
Petr Baudis
1248c1c415 Fix jn precision 2011-09-09 22:16:10 -04:00
Paul Pluzhnikov
7f5517aa52 Fix lround() loses precision 2011-09-08 23:37:32 -04:00
Ulrich Drepper
3d4837df4a Check for finite/infinity parms in IBM Long Double 128 fmal( ) 
This patch addresses some IBM Long Double 128 fmal () test-ldouble.out
and test-ildoubl.out failures.  If the ‘x’ and ‘y’ parameters are
finite values and ‘z’ is infinity, the result of fmal () should be ‘z’
not NaN.

Conflicts:

	ChangeLog
 2011-09-07 22:17:33 -04:00
Jakub Jelinek
85188888f6 Fix up __kernel_rem_pio2 for FLT_EVAL_METHOD != 0 architectures 2011-08-04 15:40:16 -04:00
Jakub Jelinek
3bf8d1b10c ldbl-128 fmal compile fix 2010-11-22 15:38:35 -05:00
Luis Machado
da93d21475 Fix comparison in sqrtl for IBM long double 128. 2010-11-10 16:15:05 -05:00
Jakub Jelinek
7c08a05c5f IEEE quad fmal fixes 2010-10-18 07:29:50 -04:00
Jakub Jelinek
3e692e0518 Implement fmal, some fma bugfixes 2010-10-15 15:26:06 -04:00
Jakub Jelinek
f3f7372de1 Fix some more dbl-64/s_fma.c issue 2010-10-15 15:25:14 -04:00
Jakub Jelinek
5e908464b9 Implement accurate fma. 2010-10-13 22:27:03 -04:00
Jakub Jelinek
9ff8d36f27 Correct implementation of fmaf. 2010-10-11 09:27:05 -04:00
Ulrich Drepper
88e236a627 Fix cproj implmentation. 2010-04-08 15:32:51 -07:00
Jakub Jelinek
64f388285e sysdeps/ieee754/ldbl-128/ fixes 2010-01-16 17:55:37 -08:00
Joseph S. Myers
3ad3a4d059 Readd definition of __expl in ldbl-128 2009-10-28 11:14:56 +01:00
Andreas Schwab
b7805d0ba8 Correct errno handling in expm1. 2009-10-19 21:23:15 -07:00
Roland McGrath
7967983fd4 configure tweaks, support $libc_add_on_config_subdirs 2009-09-15 14:14:42 -07:00
Ulrich Drepper
2df4be8c35 Add isinf optimized for 64-bit. 2009-08-26 00:51:45 -07:00
Ulrich Drepper
15e7f0a44d Optimized isnan for 64-bit machines. 2009-08-26 00:12:58 -07:00
Ulrich Drepper
deb13bcda9 Make llround an alias for lround on 64-bit machines. 2009-08-25 23:53:23 -07:00
Ulrich Drepper
77a1e0873f Optimized nearbyint for 64-bit. 2009-08-25 23:26:16 -07:00
Ulrich Drepper
e6fd9b2490 Optimized rint implementation for x86-64. 2009-08-25 22:44:34 -07:00
Ulrich Drepper
8405789520 Add 64-bit optimized s_round. 2009-08-25 17:28:50 -07:00
Ulrich Drepper
65b14bcee2 Optimize out duplicated scalbln code for x86-64. 2009-08-25 16:46:34 -07:00
Ulrich Drepper
5001998a12 Add 64-bit optimized scalbln. 2009-08-25 15:42:41 -07:00
Ulrich Drepper
d5cb714bb8 Add 64-bit optimized version lround. 2009-08-25 14:12:41 -07:00
Ulrich Drepper
8392ff2dc7 64-bit optimized implementation of trunc. 2009-08-25 12:02:13 -07:00
Ulrich Drepper
cf00cc00bc Add ceil implementation for 64-bit machines. 
On 64-bit machines we should not split doubles into two 32 bit
integer and handle the words separately.  We have wide registers.
This patch implements a 64-bit ceil version.  Ideally all other
functions will be converted over time.
 2009-08-24 18:05:48 -07:00
Ulrich Drepper
7f3394bdf3 Fix errno for boundary conditions in 128-bit long double. 
Similar to the changes which went already in for the other formats,
follow POSIX rules for errno.
 2009-05-29 12:00:22 -07:00
Andreas Schwab
38ae768d88 Fix errno for IBM long double. 
After the last addition to the math test suite PPC routines haven't
been adjusted so far.
 2009-05-22 08:35:15 -07:00
Ulrich Drepper
f0e3c47fd6 * sysdeps/ieee754/dbl-64/s_expm1.c: Set errno for overflow. 
* sysdeps/ieee754/flt-32/s_expm1f.c: Likewise.
	* sysdeps/x86_64/fpu/s_expm1l.S: Likewise.
 2009-04-27 05:31:37 +00:00
Ulrich Drepper
49768bb93e * sysdeps/ieee754/k_standard.c (__kernel_standard): Pole errors in 
atanh should set ERANGE.
 2009-04-27 04:01:16 +00:00
Ulrich Drepper
82a1a4dae1 * sysdeps/ieee754/dbl-64/s_tan.c (tan): Fix -Wsequence-point warnings. 2009-04-26 15:03:11 +00:00
Ulrich Drepper
337c270829 * sysdeps/i386/fpu/s_tan.S: Set errno for ±Inf. 
* sysdeps/i386/fpu/s_tanf.S: Likewise.
	* sysdeps/i386/fpu/s_tanl.S: Likewise.
	* sysdeps/ieee754/dbl-64/s_tan.c: Likewise.
	* sysdeps/ieee754/flt-32/s_tanf.c: Likewise.
	* sysdeps/x86_64/fpu/s_tanl.S: Likewise.
	* math/libm-test.inc: Add tests for errno after tan calls with
	±Inf.
 2009-04-26 05:42:49 +00:00
Ulrich Drepper
002a604fd6 * sysdeps/ieee754/k_standard.c (__kernel_standard): Use correct 
errno value vor pow(+-0,neg).
	* math/libm-test.inc (pow_test): Add tests for errno value for
	pole errors.
 2009-04-26 04:46:54 +00:00
Ulrich Drepper
0c59a1963e * sysdeps/i386/fpu/s_cos.S: Set errno for ±Inf. 
* sysdeps/i386/fpu/s_cosf.S: Likewise.
	* sysdeps/i386/fpu/s_cosl.S: Likewise.
	* sysdeps/i386/fpu/s_sin.S: Likewise.
	* sysdeps/i386/fpu/s_sinf.S: Likewise.
	* sysdeps/i386/fpu/s_sinl.S: Likewise.
	* sysdeps/ieee754/dbl-64/s_sin.c: Likewise.
	* sysdeps/ieee754/flt-32/s_cosf.c: Likewise.
	* sysdeps/ieee754/flt-32/s_sinf.c: Likewise.
	* sysdeps/ieee754/ldbl-96/s_cosl.c: Likewise.
	* sysdeps/ieee754/ldbl-96/s_sinl.c: Likewise.
	* sysdeps/x86_64/fpu/s_cosl.S: Likewise.
	* sysdeps/x86_64/fpu/s_sinl.S: Likewise.
	* math/libm-test.inc: Add tests for errno after sin/cos calls with
	±Inf.
 2009-04-26 01:04:54 +00:00
Ulrich Drepper
e971e76d8d * sysdeps/ieee754/k_standard.c (__kernel_standard): Pole errors 
for lgamma should se errno to ERANGE, not EDOM.
	* math/libm-test.inc (lgamma_test): Check errno for pole errors.
 2009-04-25 08:12:24 +00:00
Ulrich Drepper
a7eb802f11 [BZ #3406] 
2008-02-11  Joseph Myers  <joseph@codesourcery.com>
	[BZ #3406]
	* sysdeps/ieee754/flt-32/w_expf.c (o_threshold): Correct value.
	* math/libm-test.inc (exp_test): Test 88.72269439697265625.
 2008-05-11 17:49:25 +00:00