Change `linspace` to take a range argument. #626

Job	Run time
clippy/stable	11s
docs/nightly	23s
nostd/thumbv6m-none-eabi/stable	11s
format/nightly	14s
Pass MSRV values to other jobs	3s
miri	10m 36s
cross_test/i686-unknown-linux-gnu/stable	43s
cargo-careful	1m 19s
cross_test/s390x-unknown-linux-gnu/stable	48s
blas-msrv	53s
tests/1.64.0	1m 16s
tests/nightly	1m 13s
tests/stable	1m 9s
tests/beta	1m 2s
conclusion	-1s
	20m 0s

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