#17285: CIF is missing many functions
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Reporter: jdemeyer | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.4
Component: basic arithmetic | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: #17130 | Stopgaps:
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Comment (by fredrik.johansson):
For best accuracy, one should use {{{cos(a+bi) = cos(a)*cosh(b) +
sin(a)*sinh(b)*i}}} and {{{sin(a+bi) = sin(a)*cosh(b) +
cos(a)*sinh(b)*i}}} (if I got those formulas right).
There's a {{{mpfi_sin_cos}}} but it looks like there's no
{{{mpfi_sinh_cosh}}} yet.
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Ticket URL: <http://trac.sagemath.org/ticket/17285#comment:4>
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