double the quaternionic characters in affordable_real #535

Job	Run time
Julia 1.6 - ubuntu-latest - x64	8m 15s
Julia 1.6 - macOS-latest - x64	7m 54s
Julia 1.6 - windows-latest - x64	18m 10s
Julia 1 - ubuntu-latest - x64	7m 28s
Julia 1 - macOS-latest - x64	9m 14s
Julia 1 - windows-latest - x64	10m 15s
Julia nightly - ubuntu-latest - x64	9m 38s
Julia nightly - macOS-latest - x64	8m 40s
Julia nightly - windows-latest - x64	9m 57s
	1h 29m 31s

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