Revert "fix ellippi to return an inf instead of raising an exception" - #875
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…(thanks to John Beyers)" This reverts commit fc474e1. We don't have a concept of "complex infinity". But real infinity (of any sign) is clearly a wrong answer here (it has well defined finite phase and infinite absolute value), e.g.: ```pycon >>> ellippi(1-1e-15, 1-1e-15j) mpc(real='915673653288978.88', imag='-530451596311157.62') >>> ellippi(1-1e-15, 1+1e-15j) mpc(real='915673653288978.88', imag='530451596311157.62') ``` Closes mpmath#268
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This reverts commit fc474e1.
We don't have a concept of "complex infinity". But real infinity (of any sign) is clearly a wrong answer here (it has well defined finite phase and infinite absolute value), e.g.:
Closes #268