I went through the same exercise implementing trig functions for scheme in webassembly... It was a rabbit hole for sure https://github.com/PollRobots/scheme/b

I went through the same exercise implementing trig functions for scheme in webassembly... It was a rabbit hole for sure https://github.com/PollRobots/scheme/blob/main/scheme.wasm/src/library/trig.wat#L369 https://github.com/PollRobots/scheme/blob/main/scheme.wasm/s... [Edit: above is just the range from 0-π/4, the branch cuts for cos are at https://github.com/PollRobots/scheme/blob/main/scheme.wasm/src/library/trig.wat#L266 https://github.com/PollRobots/scheme/blob/main/scheme.wasm/s... ]