@tensorflow/tfjs-core
Version:
Hardware-accelerated JavaScript library for machine intelligence
120 lines • 22.8 kB
JavaScript
/**
* @license
* Copyright 2022 Google LLC. 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.
* =============================================================================
*/
import * as tf from '../index';
import { ALL_ENVS, describeWithFlags } from '../jasmine_util';
import { expectArrayInMeanStdRange, jarqueBeraNormalityTest } from './rand_util';
describeWithFlags('randomStandardNormal', ALL_ENVS, () => {
const SEED = 42;
const EPSILON = 0.05;
it('should return a float32 1D of random standard normal values', async () => {
const SAMPLES = 10000;
// Ensure defaults to float32.
let result = tf.randomStandardNormal([SAMPLES], null, SEED);
expect(result.dtype).toBe('float32');
expect(result.shape).toEqual([SAMPLES]);
jarqueBeraNormalityTest(await result.data());
expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);
result = tf.randomStandardNormal([SAMPLES], 'float32', SEED);
expect(result.dtype).toBe('float32');
expect(result.shape).toEqual([SAMPLES]);
jarqueBeraNormalityTest(await result.data());
expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);
});
it('should return a int32 1D of random standard normal values', async () => {
const SAMPLES = 10000;
const result = tf.randomStandardNormal([SAMPLES], 'int32', SEED);
expect(result.dtype).toBe('int32');
expect(result.shape).toEqual([SAMPLES]);
jarqueBeraNormalityTest(await result.data());
expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);
});
it('should return a float32 2D of random standard normal values', async () => {
const SAMPLES = 100;
// Ensure defaults to float32.
let result = tf.randomStandardNormal([SAMPLES, SAMPLES], null, SEED);
expect(result.dtype).toBe('float32');
expect(result.shape).toEqual([SAMPLES, SAMPLES]);
jarqueBeraNormalityTest(await result.data());
expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);
result = tf.randomStandardNormal([SAMPLES, SAMPLES], 'float32', SEED);
expect(result.dtype).toBe('float32');
expect(result.shape).toEqual([SAMPLES, SAMPLES]);
jarqueBeraNormalityTest(await result.data());
expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);
});
it('should return a int32 2D of random standard normal values', async () => {
const SAMPLES = 100;
const result = tf.randomStandardNormal([SAMPLES, SAMPLES], 'int32', SEED);
expect(result.dtype).toBe('int32');
expect(result.shape).toEqual([SAMPLES, SAMPLES]);
jarqueBeraNormalityTest(await result.data());
expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);
});
it('should return a float32 3D of random standard normal values', async () => {
const SAMPLES_SHAPE = [20, 20, 20];
// Ensure defaults to float32.
let result = tf.randomStandardNormal(SAMPLES_SHAPE, null, SEED);
expect(result.dtype).toBe('float32');
expect(result.shape).toEqual(SAMPLES_SHAPE);
jarqueBeraNormalityTest(await result.data());
expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);
result = tf.randomStandardNormal(SAMPLES_SHAPE, 'float32', SEED);
expect(result.dtype).toBe('float32');
expect(result.shape).toEqual(SAMPLES_SHAPE);
jarqueBeraNormalityTest(await result.data());
expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);
});
it('should return a int32 3D of random standard normal values', async () => {
const SAMPLES_SHAPE = [20, 20, 20];
const result = tf.randomStandardNormal(SAMPLES_SHAPE, 'int32', SEED);
expect(result.dtype).toBe('int32');
expect(result.shape).toEqual(SAMPLES_SHAPE);
jarqueBeraNormalityTest(await result.data());
expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);
});
it('should return a float32 4D of random standard normal values', async () => {
const SAMPLES_SHAPE = [10, 10, 10, 10];
// Ensure defaults to float32.
let result = tf.randomStandardNormal(SAMPLES_SHAPE, null, SEED);
expect(result.dtype).toBe('float32');
expect(result.shape).toEqual(SAMPLES_SHAPE);
jarqueBeraNormalityTest(await result.data());
expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);
result = tf.randomStandardNormal(SAMPLES_SHAPE, 'float32', SEED);
expect(result.dtype).toBe('float32');
expect(result.shape).toEqual(SAMPLES_SHAPE);
jarqueBeraNormalityTest(await result.data());
expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);
});
it('should return a int32 4D of random standard normal values', async () => {
const SAMPLES_SHAPE = [10, 10, 10, 10];
const result = tf.randomStandardNormal(SAMPLES_SHAPE, 'int32', SEED);
expect(result.dtype).toBe('int32');
expect(result.shape).toEqual(SAMPLES_SHAPE);
jarqueBeraNormalityTest(await result.data());
expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);
});
it('should return a int32 5D of random standard normal values', async () => {
const SAMPLES_SHAPE = [10, 10, 10, 10, 10];
const result = tf.randomStandardNormal(SAMPLES_SHAPE, 'int32', SEED);
expect(result.dtype).toBe('int32');
expect(result.shape).toEqual(SAMPLES_SHAPE);
jarqueBeraNormalityTest(await result.data());
expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);
});
});
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* @license\n * Copyright 2022 Google LLC. All Rights Reserved.\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n * =============================================================================\n */\n\nimport * as tf from '../index';\nimport {ALL_ENVS, describeWithFlags} from '../jasmine_util';\n\nimport {expectArrayInMeanStdRange, jarqueBeraNormalityTest} from './rand_util';\n\ndescribeWithFlags('randomStandardNormal', ALL_ENVS, () => {\n  const SEED = 42;\n  const EPSILON = 0.05;\n\n  it('should return a float32 1D of random standard normal values',\n     async () => {\n       const SAMPLES = 10000;\n\n       // Ensure defaults to float32.\n       let result = tf.randomStandardNormal([SAMPLES], null, SEED);\n       expect(result.dtype).toBe('float32');\n       expect(result.shape).toEqual([SAMPLES]);\n       jarqueBeraNormalityTest(await result.data());\n       expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);\n\n       result = tf.randomStandardNormal([SAMPLES], 'float32', SEED);\n       expect(result.dtype).toBe('float32');\n       expect(result.shape).toEqual([SAMPLES]);\n       jarqueBeraNormalityTest(await result.data());\n       expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);\n     });\n\n  it('should return a int32 1D of random standard normal values', async () => {\n    const SAMPLES = 10000;\n    const result = tf.randomStandardNormal([SAMPLES], 'int32', SEED);\n    expect(result.dtype).toBe('int32');\n    expect(result.shape).toEqual([SAMPLES]);\n    jarqueBeraNormalityTest(await result.data());\n    expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);\n  });\n\n  it('should return a float32 2D of random standard normal values',\n     async () => {\n       const SAMPLES = 100;\n\n       // Ensure defaults to float32.\n       let result = tf.randomStandardNormal([SAMPLES, SAMPLES], null, SEED);\n       expect(result.dtype).toBe('float32');\n       expect(result.shape).toEqual([SAMPLES, SAMPLES]);\n       jarqueBeraNormalityTest(await result.data());\n       expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);\n\n       result = tf.randomStandardNormal([SAMPLES, SAMPLES], 'float32', SEED);\n       expect(result.dtype).toBe('float32');\n       expect(result.shape).toEqual([SAMPLES, SAMPLES]);\n       jarqueBeraNormalityTest(await result.data());\n       expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);\n     });\n\n  it('should return a int32 2D of random standard normal values', async () => {\n    const SAMPLES = 100;\n    const result = tf.randomStandardNormal([SAMPLES, SAMPLES], 'int32', SEED);\n    expect(result.dtype).toBe('int32');\n    expect(result.shape).toEqual([SAMPLES, SAMPLES]);\n    jarqueBeraNormalityTest(await result.data());\n    expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);\n  });\n\n  it('should return a float32 3D of random standard normal values',\n     async () => {\n       const SAMPLES_SHAPE = [20, 20, 20];\n\n       // Ensure defaults to float32.\n       let result = tf.randomStandardNormal(SAMPLES_SHAPE, null, SEED);\n       expect(result.dtype).toBe('float32');\n       expect(result.shape).toEqual(SAMPLES_SHAPE);\n       jarqueBeraNormalityTest(await result.data());\n       expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);\n\n       result = tf.randomStandardNormal(SAMPLES_SHAPE, 'float32', SEED);\n       expect(result.dtype).toBe('float32');\n       expect(result.shape).toEqual(SAMPLES_SHAPE);\n       jarqueBeraNormalityTest(await result.data());\n       expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);\n     });\n\n  it('should return a int32 3D of random standard normal values', async () => {\n    const SAMPLES_SHAPE = [20, 20, 20];\n    const result = tf.randomStandardNormal(SAMPLES_SHAPE, 'int32', SEED);\n    expect(result.dtype).toBe('int32');\n    expect(result.shape).toEqual(SAMPLES_SHAPE);\n    jarqueBeraNormalityTest(await result.data());\n    expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);\n  });\n\n  it('should return a float32 4D of random standard normal values',\n     async () => {\n       const SAMPLES_SHAPE = [10, 10, 10, 10];\n\n       // Ensure defaults to float32.\n       let result = tf.randomStandardNormal(SAMPLES_SHAPE, null, SEED);\n       expect(result.dtype).toBe('float32');\n       expect(result.shape).toEqual(SAMPLES_SHAPE);\n       jarqueBeraNormalityTest(await result.data());\n       expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);\n\n       result = tf.randomStandardNormal(SAMPLES_SHAPE, 'float32', SEED);\n       expect(result.dtype).toBe('float32');\n       expect(result.shape).toEqual(SAMPLES_SHAPE);\n       jarqueBeraNormalityTest(await result.data());\n       expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);\n     });\n\n  it('should return a int32 4D of random standard normal values', async () => {\n    const SAMPLES_SHAPE = [10, 10, 10, 10];\n\n    const result = tf.randomStandardNormal(SAMPLES_SHAPE, 'int32', SEED);\n    expect(result.dtype).toBe('int32');\n    expect(result.shape).toEqual(SAMPLES_SHAPE);\n    jarqueBeraNormalityTest(await result.data());\n    expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);\n  });\n\n  it('should return a int32 5D of random standard normal values', async () => {\n    const SAMPLES_SHAPE = [10, 10, 10, 10, 10];\n\n    const result = tf.randomStandardNormal(SAMPLES_SHAPE, 'int32', SEED);\n    expect(result.dtype).toBe('int32');\n    expect(result.shape).toEqual(SAMPLES_SHAPE);\n    jarqueBeraNormalityTest(await result.data());\n    expectArrayInMeanStdRange(await result.data(), 0, 1, EPSILON);\n  });\n});\n"]}