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Issue #18513: Add workaround for OS X 10.8 cexp bug that leads to wrong cmath.rect(0.0,-0.0) results.

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Mark Dickinson 2013-07-20 18:00:06 +01:00
commit 60d634ae4a
2 changed files with 10 additions and 0 deletions
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7
Modules/cmathmodule.c
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@ -1006,6 +1006,13 @@ cmath_rect(PyObject *self, PyObject *args)
else
errno = 0;
}
else if (phi == 0.0) {
/* Workaround for buggy results with phi=-0.0 on OS X 10.8. See
bugs.python.org/issue18513. */
z.real = r;
z.imag = r * phi;
errno = 0;
}
else {
z.real = r * cos(phi);
z.imag = r * sin(phi);