fix sizing at mul, truediv and floordiv when operands are complex. #39

Job	Run time
Test on ubuntu-20.04 with Python 3.7	27s
Test on ubuntu-20.04 with Python 3.8	25s
Test on ubuntu-20.04 with Python 3.9	24s
Test on ubuntu-20.04 with Python 3.10	23s
Test on ubuntu-20.04 with Python 3.11	24s
Test on ubuntu-20.04 with Python 3.12	26s
Test on ubuntu-22.04 with Python 3.7	30s
Test on ubuntu-22.04 with Python 3.8	27s
Test on ubuntu-22.04 with Python 3.9	27s
Test on ubuntu-22.04 with Python 3.10	32s
Test on ubuntu-22.04 with Python 3.11	27s
Test on ubuntu-22.04 with Python 3.12	27s
Test on macos-latest with Python 3.7	36s
Test on macos-latest with Python 3.8	35s
Test on macos-latest with Python 3.9	33s
Test on macos-latest with Python 3.10	35s
Test on macos-latest with Python 3.11	34s
Test on macos-latest with Python 3.12	39s
Test on windows-latest with Python 3.7	59s
Test on windows-latest with Python 3.8	1m 5s
Test on windows-latest with Python 3.9	53s
Test on windows-latest with Python 3.10	1m 8s
Test on windows-latest with Python 3.11	1m 0s
Test on windows-latest with Python 3.12	1m 10s
	15m 6s

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