bpo-29602: fix signed zero handling in complex constructor.#203
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bpo-29602: fix signed zero handling in complex constructor.#203mdickinson merged 2 commits intopython:masterpython/cpython:masterfrom mdickinson:fix/complex-subclass-zerosmdickinson/cpython:fix/complex-subclass-zerosCopy head branch name to clipboard
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serhiy-storchaka
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* Fix incorrect handling of signed zeros for complex-related classes. * Add Misc/NEWS entry. (cherry picked from commit 112ec38)
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* Fix incorrect handling of signed zeros for complex-related classes. * Add Misc/NEWS entry. (cherry picked from commit 112ec38)
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instead of _PyRuntime.st.try_stackless.
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instead of _PyRuntime.st.try_stackless.
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…tion of resources from adjacent modules, even those not found in a package. Fixes python#203.
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This PR, based on a patch by Serhiy Storchaka, fixes the issues with signed zeros identified in http://bugs.python.org/issue29602:
class A(object)implementing__complex__,complex(A())ignored the sign of a negative zero in the imaginary partclass C(complex), construction of aCinstance from acomplexinstance also ignored the sign of a negative zero in the imaginary part.