score.mask.bpf
Break-point functions. Based on Andre Bartetzki's CMask.
bpf
(bpf pts & {:keys [ipl], :or {ipl :linear}})
Creates break-point generator functions. Optional :ipl arg can be :linear (the default), positive or negative number (for exponential curves), :cos (for half-cosine), or :none (for no interpolation).