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@stdlib/math-base-special-kernel-sin

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Compute the sine of a double-precision floating-point number on [-π/4, π/4].

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/* * @license Apache-2.0 * * Copyright (c) 2019 The Stdlib Authors. * * 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. */ // TypeScript Version: 4.1 /** * Computes the sine of a double-precision floating-point number on `[-π/4, π/4]`. * * ## Notes * * - For increased accuracy, the number for which the cosine should be evaluated can be supplied as a double-double number (i.e., a non-evaluated sum of two double-precision floating-point numbers `x` and `y`). * - The two numbers must satisfy `|y| < 0.5 * ulp( x )`. * * @param x - input value (in radians, assumed to be bounded by `~pi/4` in magnitude) * @param y - tail of `x` * @returns sine * * @example * var v = kernelSin( 0.0, 0.0 ); * // returns ~0.0 * * @example * var v = kernelSin( 3.141592653589793/6.0, 0.0 ); * // returns ~0.5 * * @example * var v = kernelSin( 0.619, 9.279e-18 ); * // returns ~0.58 * * @example * var v = kernelSin( NaN, 0.0 ); * // returns NaN * * @example * var v = kernelSin( 3.0, NaN ); * // returns NaN * * @example * var v = kernelSin( NaN, NaN ); * // returns NaN */ declare function kernelSin( x: number, y: number ): number; // EXPORTS // export = kernelSin;