Imaginary type and IEC 60559-compatible complex arithmetic #263

Job	Run time
Change detection / Compute changed files	10s
Address sanitizer (ubuntu-22.04)	9m 21s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.0.15)	2m 11s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.1.7)	2m 5s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.2.3)	2m 16s
Windows MSI${{ '' }}	0s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.3.2)	1m 59s
Check if Autoconf files are up to date	21s
Check if generated files are up to date	3m 49s
CIFuzz (address)	19m 54s
CIFuzz (undefined)	21m 48s
Hypothesis tests on Ubuntu	5m 17s
CIFuzz (memory)	20m 57s
Thread sanitizer / Thread sanitizer	4m 26s
Thread sanitizer (free-threading) / Thread sanitizer	7m 26s
WASI / build and test	6m 10s
macOS / build and test (macos-13)	7m 44s
macOS / build and test (macos-14)	9m 44s
macOS (free-threading) / build and test (macos-14)	10m 23s
Ubuntu / build and test (ubuntu-22.04)	7m 19s
Ubuntu (free-threading) / build and test (ubuntu-22.04)	10m 1s
Windows / build (arm64)	3m 3s
Windows (free-threading) / build and test (Win32)	24m 6s
Windows / build and test (Win32)	15m 39s
Windows (free-threading) / build (arm64)	3m 7s
Windows / build and test (x64)	15m 24s
Windows (free-threading) / build and test (x64)	21m 44s
Docs / Docs	2m 1s
Docs / Docs (Oldest Sphinx)	2m 6s
Docs / Doctest	29m 36s
All required checks pass	1s
	4h 30m 8s

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