/**
 * @license
 * Copyright 2020 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 { expectArraysClose } from '../test_util';
describeWithFlags('isNaN', ALL_ENVS, () => {
    it('basic', async () => {
        const a = tf.tensor1d([NaN, Infinity, -Infinity, 0, 1]);
        const r = tf.isNaN(a);
        expect(r.dtype).toEqual('bool');
        expectArraysClose(await r.data(), [1, 0, 0, 0, 0]);
    });
    it('gradients: Scalar', async () => {
        const a = tf.scalar(NaN);
        const dy = tf.scalar(3);
        const gradients = tf.grad(a => tf.isNaN(a))(a, dy);
        expect(gradients.shape).toEqual(a.shape);
        expect(gradients.dtype).toEqual('float32');
        expectArraysClose(await gradients.data(), [0]);
    });
    it('gradients: Tensor1D', async () => {
        const a = tf.tensor1d([NaN, Infinity, -Infinity, 0, 1]);
        const dy = tf.tensor1d([1, 1, 1, 1, 1]);
        const gradients = tf.grad(a => tf.isNaN(a))(a, dy);
        expect(gradients.shape).toEqual(a.shape);
        expect(gradients.dtype).toEqual('float32');
        expectArraysClose(await gradients.data(), [0, 0, 0, 0, 0]);
    });
    it('gradients: Tensor2D', async () => {
        const a = tf.tensor2d([NaN, Infinity, -Infinity, 0], [2, 2]);
        const dy = tf.tensor2d([1, 2, 3, 4], [2, 2]);
        const gradients = tf.grad(a => tf.isNaN(a))(a, dy);
        expect(gradients.shape).toEqual(a.shape);
        expect(gradients.dtype).toEqual('float32');
        expectArraysClose(await gradients.data(), [0, 0, 0, 0]);
    });
    it('throws when passed a non-tensor', () => {
        expect(() => tf.isNaN({}))
            .toThrowError(/Argument 'x' passed to 'isNaN' must be a Tensor/);
    });
    it('accepts a tensor-like object', async () => {
        const r = tf.isNaN([NaN, Infinity, -Infinity, 0, 1]);
        expectArraysClose(await r.data(), [1, 0, 0, 0, 0]);
    });
    it('throws for string tensor', () => {
        expect(() => tf.isNaN('q'))
            .toThrowError(/Argument 'x' passed to 'isNaN' must be numeric/);
    });
});
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"is_nan_test.js","sourceRoot":"","sources":["../../../../../../tfjs-core/src/ops/is_nan_test.ts"],"names":[],"mappings":"AAAA;;;;;;;;;;;;;;;GAeG;AAEH,OAAO,KAAK,EAAE,MAAM,UAAU,CAAC;AAC/B,OAAO,EAAC,QAAQ,EAAE,iBAAiB,EAAC,MAAM,iBAAiB,CAAC;AAC5D,OAAO,EAAC,iBAAiB,EAAC,MAAM,cAAc,CAAC;AAE/C,iBAAiB,CAAC,OAAO,EAAE,QAAQ,EAAE,GAAG,EAAE;IACxC,EAAE,CAAC,OAAO,EAAE,KAAK,IAAI,EAAE;QACrB,MAAM,CAAC,GAAG,EAAE,CAAC,QAAQ,CAAC,CAAC,GAAG,EAAE,QAAQ,EAAE,CAAC,QAAQ,EAAE,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC;QACxD,MAAM,CAAC,GAAG,EAAE,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC;QACtB,MAAM,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,OAAO,CAAC,MAAM,CAAC,CAAC;QAChC,iBAAiB,CAAC,MAAM,CAAC,CAAC,IAAI,EAAE,EAAE,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC,EAAE,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC;IACrD,CAAC,CAAC,CAAC;IAEH,EAAE,CAAC,mBAAmB,EAAE,KAAK,IAAI,EAAE;QACjC,MAAM,CAAC,GAAG,EAAE,CAAC,MAAM,CAAC,GAAG,CAAC,CAAC;QACzB,MAAM,EAAE,GAAG,EAAE,CAAC,MAAM,CAAC,CAAC,CAAC,CAAC;QAExB,MAAM,SAAS,GAAG,EAAE,CAAC,IAAI,CAAC,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC;QAEnD,MAAM,CAAC,SAAS,CAAC,KAAK,CAAC,CAAC,OAAO,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC;QACzC,MAAM,CAAC,SAAS,CAAC,KAAK,CAAC,CAAC,OAAO,CAAC,SAAS,CAAC,CAAC;QAC3C,iBAAiB,CAAC,MAAM,SAAS,CAAC,IAAI,EAAE,EAAE,CAAC,CAAC,CAAC,CAAC,CAAC;IACjD,CAAC,CAAC,CAAC;IAEH,EAAE,CAAC,qBAAqB,EAAE,KAAK,IAAI,EAAE;QACnC,MAAM,CAAC,GAAG,EAAE,CAAC,QAAQ,CAAC,CAAC,GAAG,EAAE,QAAQ,EAAE,CAAC,QAAQ,EAAE,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC;QACxD,MAAM,EAAE,GAAG,EAAE,CAAC,QAAQ,CAAC,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC,EAAE,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC;QAExC,MAAM,SAAS,GAAG,EAAE,CAAC,IAAI,CAAC,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC;QAEnD,MAAM,CAAC,SAAS,CAAC,KAAK,CAAC,CAAC,OAAO,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC;QACzC,MAAM,CAAC,SAAS,CAAC,KAAK,CAAC,CAAC,OAAO,CAAC,SAAS,CAAC,CAAC;QAC3C,iBAAiB,CAAC,MAAM,SAAS,CAAC,IAAI,EAAE,EAAE,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC,EAAE,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC;IAC7D,CAAC,CAAC,CAAC;IAEH,EAAE,CAAC,qBAAqB,EAAE,KAAK,IAAI,EAAE;QACnC,MAAM,CAAC,GAAG,EAAE,CAAC,QAAQ,CAAC,CAAC,GAAG,EAAE,QAAQ,EAAE,CAAC,QAAQ,EAAE,CAAC,CAAC,EAAE,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC;QAC7D,MAAM,EAAE,GAAG,EAAE,CAAC,QAAQ,CAAC,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC,EAAE,CAAC,CAAC,EAAE,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC;QAE7C,MAAM,SAAS,GAAG,EAAE,CAAC,IAAI,CAAC,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC;QAEnD,MAAM,CAAC,SAAS,CAAC,KAAK,CAAC,CAAC,OAAO,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC;QACzC,MAAM,CAAC,SAAS,CAAC,KAAK,CAAC,CAAC,OAAO,CAAC,SAAS,CAAC,CAAC;QAC3C,iBAAiB,CAAC,MAAM,SAAS,CAAC,IAAI,EAAE,EAAE,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC;IAC1D,CAAC,CAAC,CAAC;IAEH,EAAE,CAAC,iCAAiC,EAAE,GAAG,EAAE;QACzC,MAAM,CAAC,GAAG,EAAE,CAAC,EAAE,CAAC,KAAK,CAAC,EAAe,CAAC,CAAC;aAClC,YAAY,CAAC,iDAAiD,CAAC,CAAC;IACvE,CAAC,CAAC,CAAC;IAEH,EAAE,CAAC,8BAA8B,EAAE,KAAK,IAAI,EAAE;QAC5C,MAAM,CAAC,GAAG,EAAE,CAAC,KAAK,CAAC,CAAC,GAAG,EAAE,QAAQ,EAAE,CAAC,QAAQ,EAAE,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC;QACrD,iBAAiB,CAAC,MAAM,CAAC,CAAC,IAAI,EAAE,EAAE,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC,EAAE,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC;IACrD,CAAC,CAAC,CAAC;IAEH,EAAE,CAAC,0BAA0B,EAAE,GAAG,EAAE;QAClC,MAAM,CAAC,GAAG,EAAE,CAAC,EAAE,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC;aACtB,YAAY,CAAC,gDAAgD,CAAC,CAAC;IACtE,CAAC,CAAC,CAAC;AACL,CAAC,CAAC,CAAC","sourcesContent":["/**\n * @license\n * Copyright 2020 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';\nimport {expectArraysClose} from '../test_util';\n\ndescribeWithFlags('isNaN', ALL_ENVS, () => {\n  it('basic', async () => {\n    const a = tf.tensor1d([NaN, Infinity, -Infinity, 0, 1]);\n    const r = tf.isNaN(a);\n    expect(r.dtype).toEqual('bool');\n    expectArraysClose(await r.data(), [1, 0, 0, 0, 0]);\n  });\n\n  it('gradients: Scalar', async () => {\n    const a = tf.scalar(NaN);\n    const dy = tf.scalar(3);\n\n    const gradients = tf.grad(a => tf.isNaN(a))(a, dy);\n\n    expect(gradients.shape).toEqual(a.shape);\n    expect(gradients.dtype).toEqual('float32');\n    expectArraysClose(await gradients.data(), [0]);\n  });\n\n  it('gradients: Tensor1D', async () => {\n    const a = tf.tensor1d([NaN, Infinity, -Infinity, 0, 1]);\n    const dy = tf.tensor1d([1, 1, 1, 1, 1]);\n\n    const gradients = tf.grad(a => tf.isNaN(a))(a, dy);\n\n    expect(gradients.shape).toEqual(a.shape);\n    expect(gradients.dtype).toEqual('float32');\n    expectArraysClose(await gradients.data(), [0, 0, 0, 0, 0]);\n  });\n\n  it('gradients: Tensor2D', async () => {\n    const a = tf.tensor2d([NaN, Infinity, -Infinity, 0], [2, 2]);\n    const dy = tf.tensor2d([1, 2, 3, 4], [2, 2]);\n\n    const gradients = tf.grad(a => tf.isNaN(a))(a, dy);\n\n    expect(gradients.shape).toEqual(a.shape);\n    expect(gradients.dtype).toEqual('float32');\n    expectArraysClose(await gradients.data(), [0, 0, 0, 0]);\n  });\n\n  it('throws when passed a non-tensor', () => {\n    expect(() => tf.isNaN({} as tf.Tensor))\n        .toThrowError(/Argument 'x' passed to 'isNaN' must be a Tensor/);\n  });\n\n  it('accepts a tensor-like object', async () => {\n    const r = tf.isNaN([NaN, Infinity, -Infinity, 0, 1]);\n    expectArraysClose(await r.data(), [1, 0, 0, 0, 0]);\n  });\n\n  it('throws for string tensor', () => {\n    expect(() => tf.isNaN('q'))\n        .toThrowError(/Argument 'x' passed to 'isNaN' must be numeric/);\n  });\n});\n"]}