Cast numerical values to appropriate integer types in solver_api for … #388

Job	Run time
build (ubuntu-latest, Debug, ON, ON)	9m 36s
build (ubuntu-latest, Debug, ON, OFF)	9m 46s
build (ubuntu-latest, Debug, OFF, ON)	9m 33s
build (ubuntu-latest, Debug, OFF, OFF)	9m 37s
build (ubuntu-latest, Release, ON, ON)	2m 55s
build (ubuntu-latest, Release, ON, OFF)	3m 3s
build (ubuntu-latest, Release, OFF, ON)	2m 51s
build (ubuntu-latest, Release, OFF, OFF)	2m 46s
build (windows-latest, Debug, ON, ON)	1m 10s
build (windows-latest, Debug, ON, OFF)	1m 52s
build (windows-latest, Debug, OFF, ON)	1m 5s
build (windows-latest, Debug, OFF, OFF)	1m 36s
build (windows-latest, Release, ON, ON)	1m 45s
build (windows-latest, Release, ON, OFF)	1m 46s
build (windows-latest, Release, OFF, ON)	1m 45s
build (windows-latest, Release, OFF, OFF)	1m 57s
build (macos-latest, Debug, ON, ON)	1m 36s
build (macos-latest, Debug, ON, OFF)	1m 23s
build (macos-latest, Debug, OFF, ON)	1m 30s
build (macos-latest, Debug, OFF, OFF)	1m 18s
build (macos-latest, Release, ON, ON)	1m 42s
build (macos-latest, Release, ON, OFF)	2m 2s
build (macos-latest, Release, OFF, ON)	1m 52s
build (macos-latest, Release, OFF, OFF)	1m 53s
	1h 16m 19s

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