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@temper.sh/pitch

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Utilities for working with pitch in arbitrary equal temperament spaces

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import { EQUAL_DIVISIONS_OF_THE_OCTAVE } from '@/consts' /** * Calculates the modulo of a value with respect to the equal divisions of the octave. * This ensures the result is always positive and within the range [0, EQUAL_DIVISIONS_OF_THE_OCTAVE). * * @param value - The input value to be taken modulo EQUAL_DIVISIONS_OF_THE_OCTAVE * @returns A number in the range [0, EQUAL_DIVISIONS_OF_THE_OCTAVE) * * @example * // Assuming EQUAL_DIVISIONS_OF_THE_OCTAVE = 12 * modEdo(13) // returns 1 * modEdo(-1) // returns 11 * modEdo(0) // returns 0 */ export const modEdo = (value: number) => ((value % EQUAL_DIVISIONS_OF_THE_OCTAVE) + EQUAL_DIVISIONS_OF_THE_OCTAVE) % EQUAL_DIVISIONS_OF_THE_OCTAVE