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* Add optimized sinf and cosf routines for x86 and x86-64Liubov Dmitrieva2012-09-031-0/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* Improve clog, clog10 handling of values with real or imaginary part slightly ↵Joseph Myers2012-07-311-0/+22
| | | | above 1 (bug 13629).
* Improve clog, clog10 handling of values with real or imaginary part 1 (bug ↵Joseph Myers2012-07-261-0/+40
| | | | 13629).
* Set up errno properly for yn.Marek Polacek2012-07-251-0/+4
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* Fix ynl return value with LDBL_MIN.Marek Polacek2012-07-121-1/+4
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* Fix clog, clog10 spurious underflow exceptions (bug 14337).Joseph Myers2012-07-091-0/+90
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* Fix tanf underflow close to pi/4 (bug 14154).Joseph Myers2012-07-061-2/+39
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* Fix expm1 spurious underflow exceptions (bug 6778).Joseph Myers2012-07-061-2/+22
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* Fix csqrt underflow (bugs 14157, 14331).Joseph Myers2012-07-051-3/+36
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* Fix ctan, ctanh of subnormals in round-upwards mode (bug 14328).Joseph Myers2012-07-041-0/+272
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* Fix float range reduction problems (bug 14283).Joseph Myers2012-07-031-0/+4
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* Add cosh tests for bug 14273.Joseph Myers2012-07-031-0/+5
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* Fix pow (0.0, -Inf) (bug 14241).Joseph Myers2012-06-151-0/+2
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* Allow more spurious underflow exceptions from csqrt and Bessel functions.Joseph Myers2012-06-141-5/+9
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* Fix fmod for subnormals (bug 14048).Joseph Myers2012-06-011-0/+8
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* Fix fma test for underflow.Marek Polacek2012-05-261-1/+2
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* Fix acosf underflow (bug 14153).Joseph Myers2012-05-251-2/+1
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* Add tests for underflow exception bugs 10846, 14036.Joseph Myers2012-05-241-0/+3
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* Test underflow exceptions in libm-test.inc.Joseph Myers2012-05-241-131/+172
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* Fix ccos, csin, ccosh, csinh overflows (bug 14123).Joseph Myers2012-05-191-0/+124
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* math: support platforms with limited FP rounding or exception supportChris Metcalf2012-05-171-0/+16
| | | | | | | | | | | For some tests, just claim that fetestexcept() always returns true, so the rest of the test can be compiled. For libm-test, provide known bogus values for unsupported rounding modes, so fesetround() will return failure. Elsewhere, just add some #ifdefs to avoid code that uses particular FP exceptions if the exceptions aren't supported.
* Fix for logb/logbf/logbl (bugs 13954/13955/13956)Adhemerval Zanella2012-05-101-0/+16
| | | | | | | | 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 x86/x86_64 expm1l inaccuracy and exceptions (bugs 13885, 13923).Joseph Myers2012-05-071-2/+7
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* Fix exp10 inaccuracy and exceptions (bugs 13884, 13914).Joseph Myers2012-05-061-3/+8
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* Fix libm-test.inc ulps calculation for subnormals (bug 14064).Joseph Myers2012-05-061-2/+3
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* Disable one hypot test for inline double testing.Joseph Myers2012-05-051-1/+1
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* Fix missing exceptions from exp (bugs 13787, 13922, 14036).Joseph Myers2012-05-051-6/+7
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* Fix nexttoward bugs (bugs 2550, 2570).Joseph Myers2012-05-011-2/+67
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* Fix x86 acos near 1 (bug 13942).Joseph Myers2012-04-301-0/+24
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* Fix acos (-1) in round-downwards mode on x86 (bug 14034).Joseph Myers2012-04-301-0/+248
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* Fix exp10 spurious overflows (bug 13924).Joseph Myers2012-04-301-2/+4
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* Remove spurious '.' in math/libm-test.inc comment.Ryan S. Arnold2012-04-271-1/+1
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* New test to expose erroneous negative sign on logb(1) (bug 887).Ryan S. Arnold2012-04-271-0/+35
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* Correct powerpc64 s_floorl edge cases (bug 13886).Adhemerval Zanella2012-04-241-0/+3
| | | | | [BZ #13886] Remove powerpc64/fpu/s_floorl. Use fully correct ldbl-128bim/s_floorl.c.
* Fix ilogb exception and errno (bug 6794)Adhemerval Zanella2012-04-171-7/+16
| | | | | | | | | | | | | | | | | | | | [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 spurious overflow exceptions from x86/x86_64 powl (bug 13872).Joseph Myers2012-04-091-6/+3
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* Fix ctan, ctanh overflow (bug 11521).Joseph Myers2012-04-091-0/+60
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* Fix missing overflow exceptions from pow (bug 13873).Joseph Myers2012-04-091-10/+5
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* Fix x86 pow inaccuracy for large integer exponents (bug 706).Joseph Myers2012-04-091-0/+26
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* Do not allow overflow exception on exp underflow test (bug 13705).Joseph Myers2012-04-081-2/+1
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* Fix pow of negative numbers to integer exponents (bugs 369, 2678, 3866).Joseph Myers2012-03-281-0/+253
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* Avoid overflows from long double functions using __kernel_standard.Joseph Myers2012-03-281-4/+38
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* Fix cexp overflow (bug 13892).Joseph Myers2012-03-221-0/+29
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* Fix exp2l inaccuracy (bug 13824).Joseph Myers2012-03-221-0/+15
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* Remove inaccurate x86 cexp implementations (bug 13883).Joseph Myers2012-03-211-0/+15
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* Fix missing exp2 overflow exception (bug 13871).Joseph Myers2012-03-211-2/+1
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* Fix pow of zero and infinity to large powers.Joseph Myers2012-03-211-0/+207
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* Test for overflow exceptions in libm-test.inc.Joseph Myers2012-03-201-29/+40
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* Fix clog overflow/underflow (bug 13629).Joseph Myers2012-03-191-0/+36
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* Fix atan2 spurious exceptions (bug 11451).Joseph Myers2012-03-191-0/+2
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