/**
|
* @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.
|
* =============================================================================
|
*/
|
export interface RandomBase {
|
nextValue(): number;
|
}
|
export interface RandomGamma {
|
nextValue(): number;
|
}
|
export interface RandNormalDataTypes {
|
float32: Float32Array;
|
int32: Int32Array;
|
}
|
export interface RandGammaDataTypes {
|
float32: Float32Array;
|
int32: Int32Array;
|
}
|
export declare class MPRandGauss implements RandomBase {
|
private mean;
|
private stdDev;
|
private nextVal;
|
private dtype?;
|
private truncated?;
|
private upper?;
|
private lower?;
|
private random;
|
constructor(mean: number, stdDeviation: number, dtype?: keyof RandNormalDataTypes, truncated?: boolean, seed?: number);
|
/** Returns next sample from a Gaussian distribution. */
|
nextValue(): number;
|
/** Handles proper rounding for non-floating-point numbers. */
|
private convertValue;
|
/** Returns true if less than 2-standard-deviations from the mean. */
|
private isValidTruncated;
|
}
|
export declare class RandGamma implements RandomGamma {
|
private alpha;
|
private beta;
|
private d;
|
private c;
|
private dtype?;
|
private randu;
|
private randn;
|
constructor(alpha: number, beta: number, dtype: keyof RandGammaDataTypes, seed?: number);
|
/** Returns next sample from a gamma distribution. */
|
nextValue(): number;
|
/** Handles proper rounding for non-floating-point numbers. */
|
private convertValue;
|
}
|
export declare class UniformRandom implements RandomBase {
|
private min;
|
private range;
|
private random;
|
private dtype?;
|
constructor(min?: number, max?: number, dtype?: keyof RandNormalDataTypes, seed?: string | number);
|
/** Handles proper rounding for non floating point numbers. */
|
private canReturnFloat;
|
private convertValue;
|
nextValue(): number;
|
}
|