Raymond Hettinger <raymond.hettin...@gmail.com> added the comment:
The docs for complex literals¹ could be improved to show that:
-1j is interpreted as -complex(0.0, 1.0)
giving a real component of -0.0
and an imaginary component of -1.0
and that:
0-1j is interpreted as 0.0-complex(0.0, 1.0)
giving a real component of 0.0
and an imaginary component of -1.0
It is unfortunate the repr for complex numbers uses integers at all. That
hides what is going on.
¹ https://docs.python.org/3/reference/lexical_analysis.html#imaginary-literals
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nosy: +rhettinger
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<https://bugs.python.org/issue40269>
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