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* Remove trailing whitespace.Joseph Myers2013-06-055-11/+11
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* Fix nearbyint scheduling of arithmetic past fesetenv (bug 15490).Joseph Myers2013-05-191-0/+5
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* Add #include <stdint.h> for uint[32|64]_t usage (except installed headers).Ryan S. Arnold2013-05-161-0/+1
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* Fix ldbl-128ibm cos range reduction near pi/2 (bug 15359).Joseph Myers2013-05-091-5/+5
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* Improve tgamma accuracy (bugs 2546, 2560, 5159, 15426).Joseph Myers2013-05-082-5/+181
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* New <math.h> macro named issignaling to check for a signaling NaN (sNaN).Thomas Schwinge2013-04-021-0/+45
| | | | It is based on draft TS 18661 and currently enabled as a GNU extension.
* Fix e_logl (128ibm) spurious underflowAdhemerval Zanella2013-03-281-2/+11
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* BZ#13889: expl (709.75) wrongly overflows for ldbl-128ibmAdhemerval Zanella2013-03-222-6/+24
| | | | | | The patch increase the high value to check if expl overflows. Current high mark value is not really correct, the algorithm accepts high values. It also adds a correct wrapper function to check for overflow and underflow.
* PowerPC: unify math_ldbl.h implementationsAdhemerval Zanella2013-03-081-2/+8
| | | | | This patch removes redudant definition from PowerPC specific math_ldbl, using the definitions from ieee754 math_ldbl.h.
* BZ #15055: Use __ieee754_sqrl in acoshl for lbdl-128ibmAdhemerval Zanella2013-03-041-1/+1
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* Revert "sysdeps/ieee754/ldbl-128ibm/e_expl.c"Andreas Schwab2013-01-102-64/+16
| | | | This reverts commit 35eb879e3b7849e86f06658bdb888f7858b30759.
* sysdeps/ieee754/ldbl-128ibm/e_expl.cAndreas Schwab2013-01-102-16/+64
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* Update copyright notices with scripts/update-copyrights.Joseph Myers2013-01-0233-34/+33
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* Add script to update copyright notices and reformat some to facilitate its use.Joseph Myers2013-01-013-5/+3
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* Include stdlib.h in sysdeps/ieee754/ldbl-128ibm/x2y2m1l.c.Joseph Myers2012-12-051-0/+1
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* Fix ldbl-128ibm "set but not used" warnings.Joseph Myers2012-12-045-5/+9
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* Fix powl inaccuracy for ldbl-128ibm (bug 14914).Joseph Myers2012-12-041-7/+7
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* Fix ldbl-128ibm atanl spurious underflows (bug 14871).Joseph Myers2012-11-221-0/+16
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* Fix sign of inexact zero results for ldbl-128ibm fmal.Joseph Myers2012-11-221-1/+7
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* Fix ldbl-128ibm powl spurious underflows.Joseph Myers2012-11-221-1/+5
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* Fix ldbl-128ibm hypotl internal underflows (bug 14869).Joseph Myers2012-11-221-1/+1
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* Fix ldbl-128ibm hypotl inaccuracy for arguments with large ratio (bug 14868).Joseph Myers2012-11-221-1/+1
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* Fix expm1l spurious underflows for ldbl-128ibm.Joseph Myers2012-11-221-1/+1
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* Fix ldbl-128ibm atan2l for x near 1.Joseph Myers2012-10-311-1/+2
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* Fix inaccuracy of clog, clog10 near |z| = 1 (bug 13629).Joseph Myers2012-09-251-0/+128
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* Set up errno properly for yn.Marek Polacek2012-07-251-0/+4
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* Fix ctan, ctanh of subnormals in round-upwards mode (bug 14328).Adhemerval Zanella2012-07-112-22/+50
| | | | IBM long double fixes and POWER ulps update.
* Fix for wrong ldbl128-ibm fmodl commitAdhemerval Zanella2012-06-051-2/+2
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* Fix spurious undeflow for ldbl-128ibm erflAdhemerval Zanella2012-06-051-3/+18
| | | | | For values higher than 25.6283 erflc underflow, so adjust erfl to return a constant value based argument sign.
* Fix ldbl128ibm fmodl for subnormals.Adhemerval Zanella2012-06-052-18/+19
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* Optimize handling of denormals in logb/logbf/logblAndreas Schwab2012-05-261-5/+2
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* Fix for logb/logbf/logbl (bugs 13954/13955/13956)Adhemerval Zanella2012-05-101-14/+21
| | | | | | | | 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.
* Fix exp10 inaccuracy and exceptions (bugs 13884, 13914).Joseph Myers2012-05-061-0/+46
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* Fix for ldbl-128ibm acosl/asinl inaccuraciesAdhemerval Zanella2012-05-042-40/+28
| | | | | | | | | | 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.
* Fix nexttoward bugsAdhemerval Zanella2012-05-021-10/+2
| | | | | | | [BZ #2550] [BZ #2570] * sysdeps/ieee754/ldbl-128ibm/s_nexttoward.c: Use floating-point comparisons to determine direction to adjust input.
* Fix nexttoward bugs (bugs 2550, 2570).Joseph Myers2012-05-011-6/+2
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* Fix formatting of denormal IBM long double numbersAndreas Schwab2012-04-281-6/+8
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* Fix ctan, ctanh overflow for ldbl-128ibm (bug 11521).Adhemerval Zanella2012-04-263-26/+68
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* Fix ilogb exception and errno (bug 6794)Adhemerval Zanella2012-04-171-2/+1
| | | | | | | | | | | | | | | | | | | | [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.
* Fix undue underflow in ldbl-128ibm version of explAndreas Schwab2012-03-261-2/+2
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* Fix low-part sign handling in sin/cos for ldbl-128 and ldbl-128ibm.Joseph Myers2012-03-223-3/+11
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* Fix missing overflow/underflow exception in ldbl-128ibm version of powlAndreas Schwab2012-03-211-2/+2
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* Use <> for math.h and math_private.h everywhere.Richard Henderson2012-03-0949-88/+88
| | | | Entire tree edited via find | grep | sed.
* Fix loss of precision in cosh and sinh for IBM long doubleAndreas Schwab2012-03-052-10/+10
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* Fix scalbn, scalbln integer overflow.Joseph Myers2012-03-022-6/+10
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* Improve erfc accuracy.Joseph Myers2012-03-011-1/+2
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* Replace FSF snail mail address with URLs.Paul Eggert2012-02-0943-117/+83
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* Remove __STDC__ conditionals from libm.Joseph Myers2012-01-2731-268/+28
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* Add missing _finite aliasesAndreas Schwab2011-10-231-0/+2
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* Fix compilation due to __nan definesAndreas Schwab2011-10-221-0/+1
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