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py/parsenum: Support parsing complex numbers of the form "a+bj".

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To conform with CPython.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
This commit is contained in:
Jim Mussared
2021-08-07 02:16:59 +10:00
committed by Damien George
parent 7861eddd0f
commit 0172292762
2 changed files with 44 additions and 5 deletions
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12
tests/float/complex1.py
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@@ -7,6 +7,11 @@ print(complex(1.2j))
print(complex("1"))
print(complex("1.2"))
print(complex("1.2j"))
print(complex("1+2j"))
print(complex("-1-2j"))
print(complex("+1-2j"))
print(complex(" -1-2j "))
print(complex(" +1-2j "))
print(complex(1, 2))
print(complex(1j, 2j))
@@ -72,6 +77,13 @@ print(float("-nan") * 1j)
print(float("inf") * (1 + 1j))
print(float("-inf") * (1 + 1j))
# malformed complex strings
for test in ("1+2", "1j+2", "1+2j+3", "1+2+3j", "1 + 2j"):
try:
complex(test)
except ValueError:
print("ValueError", test)
# can't assign to attributes
try:
(1j).imag = 0