banboshi_V2/HalftoneWeb/node_modules/fp-ts/es6/Ring.js

/**
 * The `Ring` class is for types that support addition, multiplication, and subtraction operations.
 *
 * Instances must satisfy the following law in addition to the `Semiring` laws:
 *
 * - Additive inverse: `a - a <-> (zero - a) + a <-> zero`
 *
 * Adapted from https://github.com/purescript/purescript-prelude/blob/master/src/Data/Ring.purs
 *
 * @since 2.0.0
 */
import { getRing } from './function';
// -------------------------------------------------------------------------------------
// combinators
// -------------------------------------------------------------------------------------
/**
 * Given a tuple of `Ring`s returns a `Ring` for the tuple
 *
 * @example
 * import { tuple } from 'fp-ts/Ring'
 * import * as N from 'fp-ts/number'
 *
 * const R = tuple(N.Field, N.Field, N.Field)
 * assert.deepStrictEqual(R.add([1, 2, 3], [4, 5, 6]), [5, 7, 9])
 * assert.deepStrictEqual(R.mul([1, 2, 3], [4, 5, 6]), [4, 10, 18])
 * assert.deepStrictEqual(R.one, [1, 1, 1])
 * assert.deepStrictEqual(R.sub([1, 2, 3], [4, 5, 6]), [-3, -3, -3])
 * assert.deepStrictEqual(R.zero, [0, 0, 0])
 *
 * @since 2.10.0
 */
export var tuple = function () {
    var rings = [];
    for (var _i = 0; _i < arguments.length; _i++) {
        rings[_i] = arguments[_i];
    }
    return ({
        add: function (x, y) { return rings.map(function (R, i) { return R.add(x[i], y[i]); }); },
        zero: rings.map(function (R) { return R.zero; }),
        mul: function (x, y) { return rings.map(function (R, i) { return R.mul(x[i], y[i]); }); },
        one: rings.map(function (R) { return R.one; }),
        sub: function (x, y) { return rings.map(function (R, i) { return R.sub(x[i], y[i]); }); }
    });
};
// -------------------------------------------------------------------------------------
// utils
// -------------------------------------------------------------------------------------
/**
 * `negate x` can be used as a shorthand for `zero - x`
 *
 * @since 2.0.0
 */
export var negate = function (R) {
    return function (a) {
        return R.sub(R.zero, a);
    };
};
// -------------------------------------------------------------------------------------
// deprecated
// -------------------------------------------------------------------------------------
/**
 * Use [`tuple`](#tuple) instead.
 *
 * @category zone of death
 * @since 2.0.0
 * @deprecated
 */
export var getTupleRing = tuple;
/**
 * Use [`getRing`](./function.ts.html#getring) instead.
 *
 * @category zone of death
 * @since 2.0.0
 * @deprecated
 */
export var getFunctionRing = getRing;