api: allow spacing as grid input #363

Job	Run time
pytest-docker-py310-gcc-omp-arm64-adjoint	26m 5s
pytest-docker-py310-icx-omp-base	30m 4s
pytest-docker-py310-gcc-omp-arm64-base	32m 18s
pytest-docker-py310-icx-omp-adjoint	29m 26s
pytest-docker-py310-gcc-omp-adjoint	29m 25s
pytest-docker-py310-gcc-omp-base	38m 24s
pytest-ubuntu-py310-gcc14-omp-base	44m 34s
pytest-ubuntu-py312-gcc12-cxxomp-adjoint	41m 56s
pytest-ubuntu-py312-gcc13-omp-base	51m 42s
pytest-ubuntu-py310-gcc14-omp-adjoint	33m 29s
pytest-ubuntu-py312-gcc12-cxxomp-base	57m 45s
pytest-ubuntu-py311-gcc11-cxxnoomp-adjoint	31m 27s
pytest-ubuntu-py311-gcc10-noomp-base	40m 7s
pytest-ubuntu-py310-gcc9-omp-base	45m 24s
pytest-ubuntu-py311-gcc10-noomp-adjoint	33m 29s
pytest-osx-py312-clang-omp-base	32m 15s
pytest-ubuntu-py310-gcc9-omp-adjoint	31m 58s
pytest-ubuntu-py313-gcc14-omp-adjoint	38m 31s
pytest-ubuntu-py312-gcc13-omp-adjoint	36m 22s
pytest-ubuntu-py313-gcc14-omp-base	52m 1s
pytest-ubuntu-py311-gcc11-cxxnoomp-base	46m 22s
	13h 23m 4s

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