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gh-121889: cmath.acosh(0+nanj) returns nan+pi/2j (#121892) As per C11 DR#471 (adjusted resolution accepted for C17), cacosh (0 + iNaN) should return NaN ± i pi/2, not NaN + iNaN. This patch fixes cmath's code to do same.
2024-08-04 05:53:17 -03:00
Adjusts ``cmath.acosh(complex('0+nanj'))`` for recent C standards.