SYNOPSIS

u32 reciprocal_scale(u32 val, u32 ep_ro);

ARGUMENTS

val

value

ep_ro

right open interval endpoint

DESCRIPTION

Perform a "reciprocal multiplication" in order to "scale" a value into range [0, ep_ro), where the upper interval endpoint is right-open. This is useful, e.g. for accessing a index of an array containing ep_ro elements, for example. Think of it as sort of modulus, only that the result isn't that of modulo. ;) Note that if initial input is a small value, then result will return 0.

RETURN

a result based on val in interval [0, ep_ro).

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