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2012-05-19Fix ccos, csin, ccosh, csinh overflows (bug 14123).Joseph Myers1-0/+124
2012-05-17math: support platforms with limited FP rounding or exception supportChris Metcalf1-0/+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.
2012-05-10Fix for logb/logbf/logbl (bugs 13954/13955/13956)Adhemerval Zanella1-0/+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.
2012-05-07Fix x86/x86_64 expm1l inaccuracy and exceptions (bugs 13885, 13923).Joseph Myers1-2/+7
2012-05-06Fix exp10 inaccuracy and exceptions (bugs 13884, 13914).Joseph Myers1-3/+8
2012-05-06Fix libm-test.inc ulps calculation for subnormals (bug 14064).Joseph Myers1-2/+3
2012-05-05Disable one hypot test for inline double testing.Joseph Myers1-1/+1
2012-05-05Fix missing exceptions from exp (bugs 13787, 13922, 14036).Joseph Myers1-6/+7
2012-05-01Fix nexttoward bugs (bugs 2550, 2570).Joseph Myers1-2/+67
2012-04-30Fix x86 acos near 1 (bug 13942).Joseph Myers1-0/+24
2012-04-30Fix acos (-1) in round-downwards mode on x86 (bug 14034).Joseph Myers1-0/+248
2012-04-30Fix exp10 spurious overflows (bug 13924).Joseph Myers1-2/+4
2012-04-27Remove spurious '.' in math/libm-test.inc comment.Ryan S. Arnold1-1/+1
2012-04-27New test to expose erroneous negative sign on logb(1) (bug 887).Ryan S. Arnold1-0/+35
2012-04-24Correct powerpc64 s_floorl edge cases (bug 13886).Adhemerval Zanella1-0/+3
[BZ #13886] Remove powerpc64/fpu/s_floorl. Use fully correct ldbl-128bim/s_floorl.c.
2012-04-17Fix ilogb exception and errno (bug 6794)Adhemerval Zanella1-7/+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.
2012-04-09Fix spurious overflow exceptions from x86/x86_64 powl (bug 13872).Joseph Myers1-6/+3
2012-04-09Fix ctan, ctanh overflow (bug 11521).Joseph Myers1-0/+60
2012-04-09Fix missing overflow exceptions from pow (bug 13873).Joseph Myers1-10/+5
2012-04-09Fix x86 pow inaccuracy for large integer exponents (bug 706).Joseph Myers1-0/+26
2012-04-08Do not allow overflow exception on exp underflow test (bug 13705).Joseph Myers1-2/+1
2012-03-28Fix pow of negative numbers to integer exponents (bugs 369, 2678, 3866).Joseph Myers1-0/+253
2012-03-28Avoid overflows from long double functions using __kernel_standard.Joseph Myers1-4/+38
2012-03-22Fix cexp overflow (bug 13892).Joseph Myers1-0/+29
2012-03-22Fix exp2l inaccuracy (bug 13824).Joseph Myers1-0/+15
2012-03-21Remove inaccurate x86 cexp implementations (bug 13883).Joseph Myers1-0/+15
2012-03-21Fix missing exp2 overflow exception (bug 13871).Joseph Myers1-2/+1
2012-03-21Fix pow of zero and infinity to large powers.Joseph Myers1-0/+207
2012-03-20Test for overflow exceptions in libm-test.inc.Joseph Myers1-29/+40
2012-03-19Fix clog overflow/underflow (bug 13629).Joseph Myers1-0/+36
2012-03-19Fix atan2 spurious exceptions (bug 11451).Joseph Myers1-0/+2
2012-03-16Disable Bessel function TLOSS errors in POSIX mode.Joseph Myers1-1/+27
2012-03-16Fix tan, tanl for large inputs.Joseph Myers1-3/+8
2012-03-16Implement ldbl-96 sinl / cosl / sincosl (bug 13851).Joseph Myers1-16/+27
2012-03-15Use 40 digits in testsAndreas Jaeger1-8/+9
2012-03-15* sysdeps/i386/fpu/s_tanf.S: Delete so that i386 uses theAndreas Jaeger1-3/+10
ieee754/flt-32 implementation for tan. * math/libm-test.inc (tan_test): Add tests for large input. * sysdeps/i386/fpu/libm-test-ulps: Update.
2012-03-15 [BZ #13852]Andreas Jaeger1-6/+18
* sysdeps/i386/fpu/e_rem_pio2f.c: Delete so that i386 uses the ieee754/flt-32 implementation. * sysdeps/i386/fpu/k_rem_pio2f.c: Likewise. * sysdeps/i386/fpu/s_cosf.S: Likewise. * sysdeps/i386/fpu/s_sincosf.S: Likewise. * sysdeps/i386/fpu/s_sinf.S: Likewise. * math/libm-test.inc (cos_test): Enable some large input tests for float as well (sin_test): Likewise. (sincos_test): Likewise. * sysdeps/i386/fpu/libm-test-ulps: Update.
2012-03-15 [BZ #13658]Andreas Jaeger1-0/+6
* math/libm-test.inc (cos_test): Add more test cases. (sin_test): Likewise. (sincos_test): Likewise.
2012-03-15 [BZ #13837]Andreas Jaeger1-0/+3
* math/libm-test.inc (cos_test): Add a test case for large input value. (sin_test): Likewise. (sincos_test): Likewise.
2012-03-15Cleanup formatting.Andreas Jaeger1-1/+0
2012-03-14Merge branch 'master' into bug13658-branchAndreas Jaeger1-0/+135
2012-03-14Fix csqrt overflow/underflow (bug 13841).Joseph Myers1-0/+18
2012-03-14Add tests for hypot overflow/underflow.Joseph Myers1-0/+13
2012-03-08Add further testsAndreas Jaeger1-0/+2
2012-03-07Fix signs of zeros from casinh, cacosh etc. (bug 10716).Joseph Myers1-0/+104
2012-03-07 [BZ #13658]Andreas Jaeger1-0/+2
* sysdeps/x86_64/fpu/s_sincos.S: Delete. * math/libm-test.inc (sincos_test): Add test for large input.
2012-03-05Fix pow in non-default rounding modes (bug 3976).Joseph Myers1-0/+109
2012-03-05Test cosh, sinh in non-default rounding modes (bug 3976).Joseph Myers1-0/+225
2012-03-02Fix sin, cos, tan in non-default rounding modes (bug 3976).Joseph Myers1-0/+421
2012-03-02Fix scalbn, scalbln integer overflow.Joseph Myers1-0/+38
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