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* 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'; /** * Perform a reduction over a list of specified dimensions in two input ndarrays via a one-dimensional strided array binary reduction function and assign results to a provided output ndarray. * * @module @stdlib/ndarray/base/binary-reduce-strided1d * * @example * var Float64Array = require( '@stdlib/array/float64' ); * var ndarray2array = require( '@stdlib/ndarray/base/to-array' ); * var getStride = require( '@stdlib/ndarray/base/stride' ); * var getOffset = require( '@stdlib/ndarray/base/offset' ); * var getData = require( '@stdlib/ndarray/base/data-buffer' ); * var numelDimension = require( '@stdlib/ndarray/base/numel-dimension' ); * var gdot = require( '@stdlib/blas/base/ndarray/gdot' ); * var binaryReduceStrided1d = require( '@stdlib/ndarray/base/binary-reduce-strided1d' ); * * // Create data buffers: * var xbuf = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] ); * var ybuf = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] ); * var zbuf = new Float64Array( [ 0.0, 0.0, 0.0 ] ); * * // Define the array shapes: * var xsh = [ 1, 3, 2, 2 ]; * var ysh = [ 1, 3, 2, 2 ]; * var zsh = [ 1, 3 ]; * * // Define the array strides: * var sx = [ 12, 4, 2, 1 ]; * var sy = [ 12, 4, 2, 1 ]; * var sz = [ 3, 1 ]; * * // Define the index offsets: * var ox = 0; * var oy = 0; * var oz = 0; * * // Create input ndarray-like objects: * var x = { * 'dtype': 'float64', * 'data': xbuf, * 'shape': xsh, * 'strides': sx, * 'offset': ox, * 'order': 'row-major' * }; * var y = { * 'dtype': 'float64', * 'data': ybuf, * 'shape': ysh, * 'strides': sy, * 'offset': oy, * 'order': 'row-major' * }; * * // Create an output ndarray-like object: * var z = { * 'dtype': 'float64', * 'data': zbuf, * 'shape': zsh, * 'strides': sz, * 'offset': oz, * 'order': 'row-major' * }; * * // Perform a reduction: * binaryReduceStrided1d( gdot, [ x, y, z ], [ 2, 3 ] ); * * var arr = ndarray2array( z.data, z.shape, z.strides, z.offset, z.order ); * // returns [ [ 30.0, 174.0, 446.0 ] ] * * @example * var Float64Array = require( '@stdlib/array/float64' ); * var ndarray2array = require( '@stdlib/ndarray/base/to-array' ); * var getStride = require( '@stdlib/ndarray/base/stride' ); * var getOffset = require( '@stdlib/ndarray/base/offset' ); * var getData = require( '@stdlib/ndarray/base/data-buffer' ); * var numelDimension = require( '@stdlib/ndarray/base/numel-dimension' ); * var gdot = require( '@stdlib/blas/base/ndarray/gdot' ); * var binaryReduceStrided1d = require( '@stdlib/ndarray/base/binary-reduce-strided1d' ); * * // Create data buffers: * var xbuf = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] ); * var ybuf = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] ); * var zbuf = new Float64Array( [ 0.0, 0.0, 0.0 ] ); * * // Define the array shapes: * var xsh = [ 1, 3, 2, 2 ]; * var ysh = [ 1, 3, 2, 2 ]; * var zsh = [ 1, 3 ]; * * // Define the array strides: * var sx = [ 12, 4, 2, 1 ]; * var sy = [ 12, 4, 2, 1 ]; * var sz = [ 3, 1 ]; * * // Define the index offsets: * var ox = 0; * var oy = 0; * var oz = 0; * * // Create input ndarray-like objects: * var x = { * 'dtype': 'float64', * 'data': xbuf, * 'shape': xsh, * 'strides': sx, * 'offset': ox, * 'order': 'row-major' * }; * var y = { * 'dtype': 'float64', * 'data': ybuf, * 'shape': ysh, * 'strides': sy, * 'offset': oy, * 'order': 'row-major' * }; * * // Create an output ndarray-like object: * var z = { * 'dtype': 'float64', * 'data': zbuf, * 'shape': zsh, * 'strides': sz, * 'offset': oz, * 'order': 'row-major' * }; * * // Create a function for performing a reduction over subarrays: * var dot = binaryReduceStrided1d.factory( gdot ); * // returns <Function> * * // Perform a reduction: * dot( [ x, y, z ], [ 2, 3 ] ); * * var arr = ndarray2array( z.data, z.shape, z.strides, z.offset, z.order ); * // returns [ [ 30.0, 174.0, 446.0 ] ] */ // MODULES // var setReadOnly = require( '@stdlib/utils/define-nonenumerable-read-only-property' ); var main = require( './main.js' ); var factory = require( './factory.js' ); // MAIN // setReadOnly( main, 'factory', factory ); // EXPORTS // module.exports = main; // exports: { "factory": "main.factory" } |