/**
 * @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 { Maximum } from '@tensorflow/tfjs-core';
import { CHECK_NAN_SNIPPET } from '../binaryop_gpu';
import { CHECK_NAN_SNIPPET_PACKED } from '../binaryop_packed_gpu';
import { binaryKernelFunc } from '../kernel_utils/kernel_funcs_utils';
import { maximumImplCPU } from '../kernel_utils/shared';
const MAXIMUM = CHECK_NAN_SNIPPET + `
  return max(a, b);
`;
const MAXIMUM_PACKED = `
  vec4 result = vec4(max(a, b));
  bvec4 isNaNA = isnan(a);
  bvec4 isNaNB = isnan(b);
  bvec4 isNaN = bvec4(isNaNA.x || isNaNB.x, isNaNA.y || isNaNB.y, isNaNA.z || isNaNB.z, isNaNA.w || isNaNB.w);
  ` +
    CHECK_NAN_SNIPPET_PACKED + `
  return result;
`;
export const maximum = binaryKernelFunc({
    opSnippet: MAXIMUM,
    packedOpSnippet: MAXIMUM_PACKED,
    cpuKernelImpl: maximumImplCPU
});
export const maximumConfig = {
    kernelName: Maximum,
    backendName: 'webgl',
    kernelFunc: maximum
};
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