Implement float math functions for two arrays #487

Job	Run time
Pass MSRV values to other jobs	2s
nostd/thumbv6m-none-eabi/stable	18s
clippy/stable	19s
format/nightly	14s
cross_test/i686-unknown-linux-gnu/stable	1m 33s
miri	7m 3s
cross_test/s390x-unknown-linux-gnu/stable	8m 7s
cargo-careful	2m 5s
docs/nightly	20s
blas-msrv	41s
tests/stable	2m 48s
tests/nightly	3m 17s
tests/1.64.0	3m 44s
tests/beta	2m 36s
conclusion	4s
	33m 11s

Provide feedback