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 72 73 74 75 76 77 78 79 80 81 | 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 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x | /**
* @license Apache-2.0
*
* Copyright (c) 2026 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';
// MODULES //
var dtypes = require( '@stdlib/ndarray/dtypes' );
var factory = require( '@stdlib/ndarray/base/nullary-strided1d-dispatch-factory' );
var drffti = require( '@stdlib/fft/base/fftpack/ndarray/float64/rffti' );
var srffti = require( '@stdlib/fft/base/fftpack/ndarray/float32/rffti' );
var grffti = require( '@stdlib/fft/base/fftpack/ndarray/generic/rffti' );
var DTYPES = require( './dtypes.js' ).odtypes;
// VARIABLES //
var idtypes0 = dtypes( 'integer_and_generic' );
var table = {
'types': [
'float64', // workspace
'float32' // workspace
],
'fcns': [
drffti,
srffti
],
'default': grffti
};
// MAIN //
/**
* Initializes a one-dimensional workspace ndarray for computing a real-valued discrete Fourier transform.
*
* @private
* @name rffti
* @type {Function}
* @param {ndarray} workspace - workspace ndarray
* @param {ndarray} N - zero-dimensional ndarray containing the sequence length
* @throws {TypeError} first argument must be an ndarray-like object
* @throws {TypeError} first argument must have a supported data type
* @throws {TypeError} second argument must be an ndarray-like object
* @returns {ndarray} workspace ndarray
*
* @example
* var zeros = require( '@stdlib/ndarray/zeros' );
* var scalar2ndarray = require( '@stdlib/ndarray/from-scalar' );
*
* var ws = zeros( [ 42 ], {
* 'dtype': 'float64'
* });
*
* var out = rffti( ws, scalar2ndarray( 4, {
* 'dtype': 'int32'
* }));
* // returns <ndarray>
*/
var rffti = factory( table, [ idtypes0 ], DTYPES );
// EXPORTS //
module.exports = rffti;
|