Merge pull request #198 from eschnett/eschnett/interpolate-boundaries #782

Job	Run time
download-build-test (cpu, real32, debug)	11m 53s
download-build-test (cpu, real64, debug)	16m 29s
download-build-test (cpu, real64, optimize)	19m 22s
download-build-test (cuda, real32, debug)	27m 30s
download-build-test (cuda, real64, debug)	29m 56s
download-build-test (cuda, real64, optimize)	28m 35s
download-build-test (rocm, real64, debug)	24m 48s
download-build-test (rocm, real64, optimize)	24m 51s
	3h 3m 24s

Provide feedback