/**
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* @license
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* Copyright 2017 Google Inc. All Rights Reserved.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* =============================================================================
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*/
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import { GPGPUProgram } from './gpgpu_math';
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export declare const ADD = "return a + b;";
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export declare const SUB = "return a - b;";
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export declare const MUL = "return a * b;";
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export declare const DIV = "\nif (a == b) {\n return 1.0;\n};\nreturn a / b;";
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export declare const INT_DIV = "\n float s = sign(a) * sign(b);\n int ia = round(a);\n int ib = round(b);\n if (ib != 0) {\n // Windows (D3D) wants guaranteed non-zero int division at compile-time.\n return float(idiv(ia, ib, s));\n } else {\n return NAN;\n }\n";
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export declare const POW = "\nif(a < 0.0 && floor(b) < b){\n return NAN;\n}\nif (b == 0.0) {\n return 1.0;\n}\nreturn (round(mod(b, 2.0)) != 1) ?\n pow(abs(a), b) : sign(a) * pow(abs(a), b);\n";
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export declare const SQUARED_DIFFERENCE = "return (a - b) * (a - b);";
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export declare const EQUAL = "return float(a == b);";
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export declare const NOT_EQUAL = "return float(a != b);";
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export declare const LESS = "return float(a < b);";
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export declare const LESS_EQUAL = "return float(a <= b);";
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export declare const GREATER = "return float(a > b);";
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export declare const GREATER_EQUAL = "return float(a >= b);";
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export declare const LOGICAL_AND = "return float(a >= 1.0 && b >= 1.0);";
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export declare const LOGICAL_OR = "return float(a >= 1.0 || b >= 1.0);";
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export declare const MAX: string;
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export declare const MIN: string;
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export declare const MOD = "if (b == 0.0) return NAN;\n return mod(a, b);";
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export declare const ATAN2: string;
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export declare const ELU_DER = "return (b >= 1.0) ? a : a * (b + 1.0);";
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export declare const PRELU = "return (a < 0.) ? b * a : a;";
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export declare class BinaryOpProgram implements GPGPUProgram {
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variableNames: string[];
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outputShape: number[];
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userCode: string;
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constructor(op: string, aShape: number[], bShape: number[]);
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}
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