@tensorflow/tfjs-core
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Hardware-accelerated JavaScript library for machine intelligence
148 lines • 5.86 kB
JavaScript
;
/**
* @license
* Copyright 2017 Google Inc. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/
Object.defineProperty(exports, "__esModule", { value: true });
var broadcast_util = require("./broadcast_util");
describe('broadcast_util.getBroadcastShape', function () {
it('two scalars', function () {
var res = broadcast_util.assertAndGetBroadcastShape([], []);
expect(res).toEqual([]);
});
it('scalar and 1d', function () {
var res = broadcast_util.assertAndGetBroadcastShape([6], []);
expect(res).toEqual([6]);
});
it('scalar and 2d', function () {
var res = broadcast_util.assertAndGetBroadcastShape([2, 6], []);
expect(res).toEqual([2, 6]);
});
it('1d and 2d', function () {
var res = broadcast_util.assertAndGetBroadcastShape([6], [2, 6]);
expect(res).toEqual([2, 6]);
});
it('2d and 3d', function () {
var res = broadcast_util.assertAndGetBroadcastShape([2, 6], [7, 2, 6]);
expect(res).toEqual([7, 2, 6]);
});
it('3d and 3d', function () {
var res = broadcast_util.assertAndGetBroadcastShape([1, 1, 6], [7, 2, 6]);
expect(res).toEqual([7, 2, 6]);
});
it('incompatible inner shape', function () {
var f = function () {
return broadcast_util.assertAndGetBroadcastShape([7, 2, 5], [7, 2, 6]);
};
expect(f).toThrowError();
});
it('incompatible middle shape', function () {
var f = function () {
return broadcast_util.assertAndGetBroadcastShape([7, 3, 6], [7, 2, 6]);
};
expect(f).toThrowError();
});
it('compatible with broadcasting support', function () {
var res = broadcast_util.assertAndGetBroadcastShape([7, 1, 1], [7, 1, 1]);
expect(res).toEqual([7, 1, 1]);
});
it('3d and 3d, each gets broadcasted', function () {
var res = broadcast_util.assertAndGetBroadcastShape([4, 1, 7], [1, 3, 1]);
expect(res).toEqual([4, 3, 7]);
});
it('[0] and [1] = [0]', function () {
var res = broadcast_util.assertAndGetBroadcastShape([0], [1]);
expect(res).toEqual([0]);
var res2 = broadcast_util.assertAndGetBroadcastShape([1], [0]);
expect(res2).toEqual([0]);
});
it('[0] and [0] = [0]', function () {
var res = broadcast_util.assertAndGetBroadcastShape([0], [0]);
expect(res).toEqual([0]);
});
it('[0, 1] and [1, 3] = [0, 3]', function () {
var res = broadcast_util.assertAndGetBroadcastShape([0, 1], [1, 3]);
expect(res).toEqual([0, 3]);
});
it('[5, 0, 3] and [5, 1, 1] = [5, 0, 3]', function () {
var res = broadcast_util.assertAndGetBroadcastShape([5, 0, 3], [5, 1, 1]);
expect(res).toEqual([5, 0, 3]);
});
it('[1] and [0, 0, 4] = [0, 0, 4]', function () {
var res = broadcast_util.assertAndGetBroadcastShape([1], [0, 0, 4]);
expect(res).toEqual([0, 0, 4]);
});
});
describe('broadcast_util.getBroadcastDims', function () {
it('[] => []', function () {
var dims = broadcast_util.getBroadcastDims([], []);
expect(dims.length).toBe(0);
});
it('[] => [5, 4]', function () {
var dims = broadcast_util.getBroadcastDims([], [5, 4]);
expect(dims.length).toBe(0);
});
it('[1] => [5]', function () {
var dims = broadcast_util.getBroadcastDims([1], [5]);
expect(dims).toEqual([0]);
});
it('[5, 1] => [5, 3]', function () {
var dims = broadcast_util.getBroadcastDims([5, 1], [5, 3]);
expect(dims).toEqual([1]);
});
it('[1, 3] => [5, 3]', function () {
var dims = broadcast_util.getBroadcastDims([1, 3], [5, 3]);
expect(dims).toEqual([0]);
});
it('[1, 1] => [5, 3]', function () {
var dims = broadcast_util.getBroadcastDims([1, 1], [5, 3]);
expect(dims).toEqual([0, 1]);
});
it('[4, 1, 3] => [4, 5, 3]', function () {
var dims = broadcast_util.getBroadcastDims([4, 1, 3], [4, 5, 3]);
expect(dims).toEqual([1]);
});
});
describe('broadcast_util.getReductionAxes', function () {
it('[] => []', function () {
var axes = broadcast_util.getReductionAxes([], []);
expect(axes).toEqual([]);
});
it('[] => [5, 4]', function () {
var axes = broadcast_util.getReductionAxes([], [5, 4]);
expect(axes).toEqual([0, 1]);
});
it('[1] => [5]', function () {
var axes = broadcast_util.getReductionAxes([1], [5]);
expect(axes).toEqual([0]);
});
it('[5, 1] => [5, 3]', function () {
var axes = broadcast_util.getReductionAxes([5, 1], [5, 3]);
expect(axes).toEqual([1]);
});
it('[1, 3] => [5, 3]', function () {
var axes = broadcast_util.getReductionAxes([1, 3], [5, 3]);
expect(axes).toEqual([0]);
});
it('[1, 1] => [5, 3]', function () {
var axes = broadcast_util.getReductionAxes([1, 1], [5, 3]);
expect(axes).toEqual([0, 1]);
});
it('[4, 1, 3] => [4, 5, 3]', function () {
var axes = broadcast_util.getReductionAxes([4, 1, 3], [4, 5, 3]);
expect(axes).toEqual([1]);
});
});
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