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 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 | 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 18x 18x 26x 36x 48x 48x 72x 72x 72x 72x 48x 48x 48x 48x 48x 48x 36x 36x 36x 26x 26x 26x 18x 18x 18x 18x 18x 18x 8x 13x 13x 13x 13x 13x | /**
* @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.
*/
/* eslint-disable max-depth */
'use strict';
// MODULES //
var zeroTo = require( '@stdlib/array/base/zero-to' );
var reverse = require( '@stdlib/array/base/reverse' );
var take = require( '@stdlib/array/base/take-indexed' );
// MAIN //
/**
* Applies a callback function to elements in a seven-dimensional input ndarray and assigns results to elements in an equivalently shaped output ndarray.
*
* @private
* @param {Object} x - object containing ndarray meta data
* @param {ndarrayLike} x.ref - reference to the original ndarray-like object
* @param {string} x.dtype - data type
* @param {Collection} x.data - data buffer
* @param {NonNegativeIntegerArray} x.shape - dimensions
* @param {IntegerArray} x.strides - stride lengths
* @param {NonNegativeInteger} x.offset - index offset
* @param {string} x.order - specifies whether `x` is row-major (C-style) or column-major (Fortran-style)
* @param {Object} y - object containing output ndarray meta data
* @param {string} y.dtype - data type
* @param {Collection} y.data - data buffer
* @param {NonNegativeIntegerArray} y.shape - dimensions
* @param {IntegerArray} y.strides - stride lengths
* @param {NonNegativeInteger} y.offset - index offset
* @param {string} y.order - specifies whether `y` is row-major (C-style) or column-major (Fortran-style)
* @param {Callback} fcn - callback function
* @param {*} thisArg - callback execution context
* @returns {void}
*
* @example
* var Complex64Array = require( '@stdlib/array/complex64' );
* var Complex64 = require( '@stdlib/complex/float32/ctor' );
* var realf = require( '@stdlib/complex/float32/real' );
* var imagf = require( '@stdlib/complex/float32/imag' );
*
* function scale( z ) {
* return new Complex64( realf(z)*10.0, imagf(z)*10.0 );
* }
*
* // Create data buffers:
* var xbuf = new Complex64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 ] );
* var ybuf = new Complex64Array( 4 );
*
* // Define the shape of the input and output arrays:
* var shape = [ 1, 1, 1, 1, 1, 2, 2 ];
*
* // Define the array strides:
* var sx = [ 4, 4, 4, 4, 4, 2, 1 ];
* var sy = [ 4, 4, 4, 4, 4, 2, 1 ];
*
* // Define the index offsets:
* var ox = 0;
* var oy = 0;
*
* // Define getters and setters:
* function getter( buf, idx ) {
* return buf.get( idx );
* }
*
* function setter( buf, idx, value ) {
* buf.set( value, idx );
* }
*
* // Create the input and output ndarray-like objects:
* var x = {
* 'ref': null,
* 'dtype': 'complex64',
* 'data': xbuf,
* 'shape': shape,
* 'strides': sx,
* 'offset': ox,
* 'order': 'row-major',
* 'accessors': [ getter, setter ]
* };
* var y = {
* 'dtype': 'complex64',
* 'data': ybuf,
* 'shape': shape,
* 'strides': sy,
* 'offset': oy,
* 'order': 'row-major',
* 'accessors': [ getter, setter ]
* };
*
* // Apply the map function:
* map7d( x, y, scale, {} );
*
* var v = y.data.get( 0 );
*
* var re = realf( v );
* // returns 10.0
*
* var im = imagf( v );
* // returns 20.0
*/
function map7d( x, y, fcn, thisArg ) { // eslint-disable-line max-statements
var xbuf;
var ybuf;
var get;
var set;
var dx0;
var dx1;
var dx2;
var dx3;
var dx4;
var dx5;
var dx6;
var dy0;
var dy1;
var dy2;
var dy3;
var dy4;
var dy5;
var dy6;
var idx;
var sh;
var S0;
var S1;
var S2;
var S3;
var S4;
var S5;
var S6;
var sx;
var sy;
var ix;
var iy;
var i0;
var i1;
var i2;
var i3;
var i4;
var i5;
var i6;
// Note on variable naming convention: S#, dx#, dy#, i# where # corresponds to the loop number, with `0` being the innermost loop...
// Extract loop variables for purposes of loop interchange: dimensions and loop offset (pointer) increments...
sh = x.shape;
sx = x.strides;
sy = y.strides;
idx = zeroTo( sh.length );
if ( x.order === 'row-major' ) {
// For row-major ndarrays, the last dimensions have the fastest changing indices...
S0 = sh[ 6 ];
S1 = sh[ 5 ];
S2 = sh[ 4 ];
S3 = sh[ 3 ];
S4 = sh[ 2 ];
S5 = sh[ 1 ];
S6 = sh[ 0 ];
dx0 = sx[ 6 ]; // offset increment for innermost loop
dx1 = sx[ 5 ] - ( S0*sx[6] );
dx2 = sx[ 4 ] - ( S1*sx[5] );
dx3 = sx[ 3 ] - ( S2*sx[4] );
dx4 = sx[ 2 ] - ( S3*sx[3] );
dx5 = sx[ 1 ] - ( S4*sx[2] );
dx6 = sx[ 0 ] - ( S5*sx[1] ); // offset increment for outermost loop
dy0 = sy[ 6 ];
dy1 = sy[ 5 ] - ( S0*sy[6] );
dy2 = sy[ 4 ] - ( S1*sy[5] );
dy3 = sy[ 3 ] - ( S2*sy[4] );
dy4 = sy[ 2 ] - ( S3*sy[3] );
dy5 = sy[ 1 ] - ( S4*sy[2] );
dy6 = sy[ 0 ] - ( S5*sy[1] );
} else { // order === 'column-major'
// For column-major ndarrays, the first dimensions have the fastest changing indices...
S0 = sh[ 0 ];
S1 = sh[ 1 ];
S2 = sh[ 2 ];
S3 = sh[ 3 ];
S4 = sh[ 4 ];
S5 = sh[ 5 ];
S6 = sh[ 6 ];
dx0 = sx[ 0 ]; // offset increment for innermost loop
dx1 = sx[ 1 ] - ( S0*sx[0] );
dx2 = sx[ 2 ] - ( S1*sx[1] );
dx3 = sx[ 3 ] - ( S2*sx[2] );
dx4 = sx[ 4 ] - ( S3*sx[3] );
dx5 = sx[ 5 ] - ( S4*sx[4] );
dx6 = sx[ 6 ] - ( S5*sx[5] ); // offset increment for outermost loop
dy0 = sy[ 0 ];
dy1 = sy[ 1 ] - ( S0*sy[0] );
dy2 = sy[ 2 ] - ( S1*sy[1] );
dy3 = sy[ 3 ] - ( S2*sy[2] );
dy4 = sy[ 4 ] - ( S3*sy[3] );
dy5 = sy[ 5 ] - ( S4*sy[4] );
dy6 = sy[ 6 ] - ( S5*sy[5] );
idx = reverse( idx );
}
// Set the pointers to the first indexed elements in the respective ndarrays...
ix = x.offset;
iy = y.offset;
// Cache references to the input and output ndarray buffers...
xbuf = x.data;
ybuf = y.data;
// Cache accessors:
get = x.accessors[ 0 ];
set = y.accessors[ 1 ];
// Iterate over the ndarray dimensions...
for ( i6 = 0; i6 < S6; i6++ ) {
for ( i5 = 0; i5 < S5; i5++ ) {
for ( i4 = 0; i4 < S4; i4++ ) {
for ( i3 = 0; i3 < S3; i3++ ) {
for ( i2 = 0; i2 < S2; i2++ ) {
for ( i1 = 0; i1 < S1; i1++ ) {
for ( i0 = 0; i0 < S0; i0++ ) {
set( ybuf, iy, fcn.call( thisArg, get( xbuf, ix ), take( [ i6, i5, i4, i3, i2, i1, i0 ], idx ), x.ref ) ); // eslint-disable-line max-len
ix += dx0;
iy += dy0;
}
ix += dx1;
iy += dy1;
}
ix += dx2;
iy += dy2;
}
ix += dx3;
iy += dy3;
}
ix += dx4;
iy += dy4;
}
ix += dx5;
iy += dy5;
}
ix += dx6;
iy += dy6;
}
}
// EXPORTS //
module.exports = map7d;
|