gh-125150: Skip test_fma_zero_result on NetBSD due to IEE 754-2008 implementation issues (GH-125151)
Skip test_fma_zero_result on NetBSD due to IEE 754-2008 implementation issues
(cherry picked from commit 92760bd85b)
Co-authored-by: Furkan Onder <furkanonder@protonmail.com>
gh-123836: Check zero signs in math_testcases.txt (GH-123854)
Just like cmath_testcases.txt. These tests require IEEE 754 anyway.
Correct zero sign for sqrt tests to match math.h convention.
(cherry picked from commit 28aea5d07d)
Co-authored-by: Sergey B Kirpichev <skirpichev@gmail.com>
gh-124040: Adjust few tests in testHypot/testDist to get exactly computed results (GH-124042)
(cherry picked from commit 4420cf4dc9)
Co-authored-by: Sergey B Kirpichev <skirpichev@gmail.com>
- re-enable test_fcntl_64_bit on Linux aarch64, but disable it on all
Android ABIs
- use support.setswitchinterval in all relevant tests
- skip test_fma_zero_result on Android x86_64
- accept EACCES when calling os.get_terminal_size on Android
- input checks for math_1(L989), math_1a(L1023), math_2(L1064,L1071), hypot(L2682), log(L2307), ldexp(L2168), ceil(L1165), floor(L1236,L1239) and dist(L2587,L2588,L2628).
- drop inaccessible "if" branch (L3518) in perm_comb_small()
- improve fsum coverage for exceptional cases (L1433,L1438,L1451,L1497), ditto fmod(L2378)
- rewrite modf to fix inaccessible case(L2229), ditto for pow(L2988)
(all line numbers are wrt the main branch at 5e6661bce9)
This PR updates `math.nextafter` to add a new `steps` argument. The behaviour is as though `math.nextafter` had been called `steps` times in succession.
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Co-authored-by: Mark Dickinson <mdickinson@enthought.com>
This PR removes `_Py_dg_stdnan` and `_Py_dg_infinity` in favour of
using the standard `NAN` and `INFINITY` macros provided by C99.
This change has the side-effect of fixing a bug on MIPS where the
hard-coded value used by `_Py_dg_stdnan` gave a signalling NaN
rather than a quiet NaN.
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Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
Change the behaviour of `math.pow(0.0, -math.inf)` and `math.pow(-0.0, -math.inf)` to return positive infinity instead of raising `ValueError`. This makes `math.pow` consistent with the built-in `pow` (and the `**` operator) for this particular special case, and brings the `math.pow` special-case handling into compliance with IEEE 754.
This commit reverts commit ac0333e1e1 as the original links are working again and they provide extended features such as comments and alternative versions.
In math_2(), the first PyFloat_AsDouble() call should be checked
for failure before the second call.
Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
* bpo-39648: Expand math.gcd() and math.lcm() to handle multiple arguments.
* Simplify fast path.
* Difine lcm() without arguments returning 1.
* Apply suggestions from code review
Co-Authored-By: Mark Dickinson <dickinsm@gmail.com>
Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
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