#18387: Use type(x) instead of x.__class__ when assigning to cdef type
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Reporter: jdemeyer | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.7
Component: performance | Keywords:
Merged in: | Authors: Jeroen Demeyer
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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In cython code, replace
{{{
cdef type t = x.__class__
}}}
by
{{{
cdef type t = type(x)
}}}
For Cython extension types, we know that `type(x)` is `x.__class__`, so
this code should be equivalent, but `type(x)` is a lot faster because
Cython optimizes it.
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Ticket URL: <http://trac.sagemath.org/ticket/18387>
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