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* Remove trailing whitespace.Joseph Myers2013-06-0512-172/+172
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* Fix nearbyint scheduling of arithmetic past fesetenv (bug 15490).Joseph Myers2013-05-191-0/+2
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* Fix ldbl-128 cos range reduction near pi/2 (bug 15429).Joseph Myers2013-05-091-5/+5
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* Improve tgamma accuracy (bugs 2546, 2560, 5159, 15426).Joseph Myers2013-05-082-5/+215
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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 Bessel function spurious overflows for ldbl-128 / ldbl-128ibm (bug 15285).Joseph Myers2013-03-212-20/+34
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* Fix spurious underflow exceptions for Bessel functions for ldbl-128 / ↵Joseph Myers2013-03-162-58/+79
| | | | ldbl-128ibm (bug 14155).
* Update copyright notices with scripts/update-copyrights.Joseph Myers2013-01-0227-27/+27
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* Add script to update copyright notices and reformat some to facilitate its use.Joseph Myers2013-01-012-4/+2
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* Fix set-but-not-used warnings in ldbl-128 nearbyintl, rintl.Joseph Myers2012-11-202-2/+2
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* Fix spurious underflows in ldbl-128 atan implementation.David S. Miller2012-11-191-0/+17
| | | | | | | | | | 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.
* Correct tinyness handling in long-double and float y0/y1.David S. Miller2012-11-182-0/+5
| | | | | | | | | | | | | | | | | 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.
* Fix BZ #14811 for ldbl-128 too.David S. Miller2012-11-161-1/+5
| | | | | | | [BZ #14811] * sysdeps/ieee754/ldbl-128/e_powl.c (__ieee754_powl): Saturate nonzero exponents with absolute value below 0x1p-128 to +/- 0x1p-128.
* Don't generate underflow for very small values in log1pl.David S. Miller2012-11-161-0/+6
| | | | | * sysdeps/ieee754/ldbl-128/s_log1pl.c (__log1pl): If xm1 is smaller than LDBL_EPSILON/2.0L, just return xm1.
* Fix fma underflows with small x * y (bug 14793).Joseph Myers2012-11-061-18/+27
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* Fix fma overflow results outside round-to-nearest mode (bug 14797).Joseph Myers2012-11-041-4/+6
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* Make fma use of Dekker and Knuth algorithms use round-to-nearest (bug 14796).Joseph Myers2012-11-031-2/+16
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* Fix fma (a, b, c) for small a * b (bugs 14784, 14785).Joseph Myers2012-11-011-4/+34
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* Fix fma underflow exceptions in after-rounding edge cases.Joseph Myers2012-10-311-0/+12
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* Fix fma missing underflows and bad results for some subnormal results (bugs ↵Joseph Myers2012-10-301-14/+8
| | | | 14152, 14783).
* Fix sign of inexact zero return from fma (bug 14645).Joseph Myers2012-10-011-0/+5
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* Fix sign of exact zero return from fma (bug 14638).Joseph Myers2012-09-292-1/+12
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* Remove sysdeps/ieee754/ldbl-128/bits/huge_vall.h and let buildsSteve Ellcey2012-09-271-50/+0
| | | | | use bits/huge_vall.h instead. There is no longer any need for the special huge_vall.h file.
* Fix inaccuracy of clog, clog10 near |z| = 1 (bug 13629).Joseph Myers2012-09-251-0/+111
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* Set up errno properly for yn.Marek Polacek2012-07-251-0/+4
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* Ensure additions are not scheduled after fetestexcept in fmaf and fmal.Joseph Myers2012-06-011-2/+3
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* Optimize handling of denormals in logb/logbf/logblAndreas Schwab2012-05-261-4/+6
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* Fix for logb/logbf/logbl (bugs 13954/13955/13956)Adhemerval Zanella2012-05-101-10/+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/+47
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* Fix nexttoward bugs (bugs 2550, 2570).Joseph Myers2012-05-012-16/+4
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* Finish ilogb changesAndreas Jaeger2012-04-181-2/+1
| | | | | | | | | | | | | | | | | | [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.
* Avoid overflows from long double functions using __kernel_standard.Joseph Myers2012-03-281-2/+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 generic ldbl-128 expm1l just like x86-64 and i386 variants were.David S. Miller2012-03-131-0/+5
| | | | | * sysdeps/ieee754/ldbl-128/s_expm1l.c (__expm1l): Use expl for large parameters.
* Use <> for math.h and math_private.h everywhere.Richard Henderson2012-03-0963-112/+112
| | | | Entire tree edited via find | grep | sed.
* Fix scalbn, scalbln integer overflow.Joseph Myers2012-03-022-6/+10
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* Fix ldbl-128 rintl/nearbyintl just like flt-32 variants.David S. Miller2012-02-272-44/+6
| | | | | | * 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.
* Replace FSF snail mail address with URLs.Paul Eggert2012-02-0944-115/+86
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* Remove __STDC__ conditionals from libm.Joseph Myers2012-01-2726-224/+23
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* Optimize expUlrich Drepper2011-10-151-2/+3
| | | | Add __exp*_finite optimizations and rewrite some wrappers.
* Optimize libmUlrich Drepper2011-10-1219-189/+91
| | | | | libm is now somewhat integrated with gcc's -ffinite-math-only option and lots of the wrapper functions have been optimized.
* Optimize use of isnan, isinf, finiteUlrich Drepper2011-10-081-0/+19
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* Fix jn precisionPetr Baudis2011-09-091-1/+10
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* ldbl-128 fmal compile fixJakub Jelinek2010-11-221-1/+1
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* IEEE quad fmal fixesJakub Jelinek2010-10-181-2/+4
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* Implement fmal, some fma bugfixesJakub Jelinek2010-10-151-0/+221
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* Implement accurate fma.Jakub Jelinek2010-10-131-0/+50
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* sysdeps/ieee754/ldbl-128/ fixesJakub Jelinek2010-01-165-15/+13
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* Readd definition of __expl in ldbl-128Joseph S. Myers2009-10-281-0/+1
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* Fix errno for boundary conditions in 128-bit long double.Ulrich Drepper2009-05-294-4/+32
| | | | | Similar to the changes which went already in for the other formats, follow POSIX rules for errno.
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