Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 | 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 1x 3x 2x 2x 3x 3x 3x 3x 3x 3x 3x | /** * @license Apache-2.0 * * Copyright (c) 2024 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. */ 'use strict'; /** * BLAS level 2 routine to perform the symmetric rank 1 operation `A = α*x*x^T + A` where `α` is a scalar, `x` is an `N` element vector, and `A` is an `N` by `N` symmetric matrix. * * @module @stdlib/blas/base/dsyr * * @example * var Float64Array = require( '@stdlib/array/float64' ); * var dsyr = require( '@stdlib/blas/base/dsyr' ); * * var A = new Float64Array( [ 1.0, 2.0, 3.0, 0.0, 1.0, 2.0, 0.0, 0.0, 1.0 ] ); // => [ [ 1.0, 2.0, 3.0 ], [ 0.0, 1.0, 2.0 ], [ 0.0, 0.0, 1.0 ] ] * var x = new Float64Array( [ 1.0, 2.0, 3.0 ] ); * * dsyr( 'row-major', 'upper', 3, 1.0, x, 1, A, 3 ); * // A => <Float64Array>[ 2.0, 4.0, 6.0, 0.0, 5.0, 8.0, 0.0, 0.0, 10.0 ] * * @example * var Float64Array = require( '@stdlib/array/float64' ); * var dsyr = require( '@stdlib/blas/base/dsyr' ); * * var A = new Float64Array( [ 1.0, 2.0, 3.0, 0.0, 1.0, 2.0, 0.0, 0.0, 1.0 ] ); // => [ [ 1.0, 2.0, 3.0 ], [ 0.0, 1.0, 2.0 ], [ 0.0, 0.0, 1.0 ] ] * var x = new Float64Array( [ 1.0, 2.0, 3.0 ] ); * * dsyr.ndarray( 'upper', 3, 1.0, x, 1, 0, A, 3, 1, 0 ); * // A => <Float64Array>[ 2.0, 4.0, 6.0, 0.0, 5.0, 8.0, 0.0, 0.0, 10.0 ] */ // MODULES // var join = require( 'path' ).join; var tryRequire = require( '@stdlib/utils/try-require' ); var isError = require( '@stdlib/assert/is-error' ); var main = require( './main.js' ); // MAIN // var dsyr; var tmp = tryRequire( join( __dirname, './native.js' ) ); if ( isError( tmp ) ) { dsyr = main; } else { dsyr = tmp; } // EXPORTS // module.exports = dsyr; // exports: { "ndarray": "dsyr.ndarray" } |