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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@celo/contractkit/node_modules/fp-ts/es6
Просмотр файла: Ring.js
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
/**
* @file 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
*/
import { getFunctionSemiring } from './Semiring';
/**
* @since 2.0.0
*/
export function getFunctionRing(ring) {
return __assign(__assign({}, getFunctionSemiring(ring)), { sub: function (f, g) { return function (x) { return ring.sub(f(x), g(x)); }; } });
}
/**
* `negate x` can be used as a shorthand for `zero - x`
*
* @since 2.0.0
*/
export function negate(ring) {
return function (a) { return ring.sub(ring.zero, a); };
}
/**
* Given a tuple of `Ring`s returns a `Ring` for the tuple
*
* @example
* import { getTupleRing } from 'fp-ts/lib/Ring'
* import { fieldNumber } from 'fp-ts/lib/Field'
*
* const R = getTupleRing(fieldNumber, fieldNumber, fieldNumber)
* 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 2.0.0
*/
export function getTupleRing() {
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]); }); }
};
}
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