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* @license Apache-2.0
*
* Copyright (c) 2025 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 broadcastArray = require( '@stdlib/array/base/broadcast-array' );
// MAIN //
/**
* Applies a quinary callback to elements in five broadcasted input arrays and assigns results to elements in a three-dimensional nested output array.
*
* @param {ArrayLikeObject<Array>} arrays - array-like object containing five input nested arrays and one output nested array
* @param {ArrayLikeObject<NonNegativeIntegerArray>} shapes - array shapes
* @param {Callback} fcn - quinary callback
* @returns {void}
*
* @example
* var ones3d = require( '@stdlib/array/base/ones3d' );
* var zeros3d = require( '@stdlib/array/base/zeros3d' );
*
* function add( x, y, z, w, v ) {
* return x + y + z + w + v;
* }
*
* var shapes = [
* [ 1, 1, 2 ],
* [ 1, 2, 1 ],
* [ 1, 1, 2 ],
* [ 1, 1, 1 ],
* [ 2, 2, 2 ],
* [ 2, 2, 2 ]
* ];
*
* var x = ones3d( shapes[ 0 ] );
* var y = ones3d( shapes[ 1 ] );
* var z = ones3d( shapes[ 2 ] );
* var w = ones3d( shapes[ 3 ] );
* var v = ones3d( shapes[ 4 ] );
* var out = zeros3d( shapes[ 5 ] );
*
* bquinary3d( [ x, y, z, w, v, out ], shapes, add );
*
* console.log( out );
* // => [ [ [ 5, 5 ], [ 5, 5 ] ], [ [ 5, 5 ], [ 5, 5 ] ] ]
*/
function bquinary3d( arrays, shapes, fcn ) { // eslint-disable-line max-statements
var dx0;
var dx1;
var dx2;
var dy0;
var dy1;
var dy2;
var dz0;
var dz1;
var dz2;
var dw0;
var dw1;
var dw2;
var du0;
var du1;
var du2;
var S0;
var S1;
var S2;
var i0;
var i1;
var i2;
var j0;
var j1;
var j2;
var k0;
var k1;
var k2;
var m0;
var m1;
var m2;
var n0;
var n1;
var n2;
var p0;
var p1;
var p2;
var x0;
var x1;
var y0;
var y1;
var z0;
var z1;
var w0;
var w1;
var u0;
var u1;
var v0;
var v1;
var sh;
var st;
var o;
var x;
var y;
var z;
var w;
var u;
var v;
sh = shapes[ 5 ];
S0 = sh[ 2 ];
S1 = sh[ 1 ];
S2 = sh[ 0 ];
if ( S0 <= 0 || S1 <= 0 || S2 <= 0 ) {
return;
}
o = broadcastArray( arrays[ 0 ], shapes[ 0 ], sh );
x = o.data;
st = o.strides;
dx0 = st[ 2 ];
dx1 = st[ 1 ];
dx2 = st[ 0 ];
o = broadcastArray( arrays[ 1 ], shapes[ 1 ], sh );
y = o.data;
st = o.strides;
dy0 = st[ 2 ];
dy1 = st[ 1 ];
dy2 = st[ 0 ];
o = broadcastArray( arrays[ 2 ], shapes[ 2 ], sh );
z = o.data;
st = o.strides;
dz0 = st[ 2 ];
dz1 = st[ 1 ];
dz2 = st[ 0 ];
o = broadcastArray( arrays[ 3 ], shapes[ 3 ], sh );
w = o.data;
st = o.strides;
dw0 = st[ 2 ];
dw1 = st[ 1 ];
dw2 = st[ 0 ];
o = broadcastArray( arrays[ 4 ], shapes[ 4 ], sh );
u = o.data;
st = o.strides;
du0 = st[ 2 ];
du1 = st[ 1 ];
du2 = st[ 0 ];
v = arrays[ 5 ];
j2 = 0;
k2 = 0;
m2 = 0;
n2 = 0;
p2 = 0;
for ( i2 = 0; i2 < S2; i2++ ) {
j1 = 0;
k1 = 0;
m1 = 0;
n1 = 0;
p1 = 0;
x1 = x[ j2 ];
y1 = y[ k2 ];
z1 = z[ m2 ];
w1 = w[ n2 ];
u1 = u[ p2 ];
v1 = v[ i2 ];
for ( i1 = 0; i1 < S1; i1++ ) {
j0 = 0;
k0 = 0;
m0 = 0;
n0 = 0;
p0 = 0;
x0 = x1[ j1 ];
y0 = y1[ k1 ];
z0 = z1[ m1 ];
w0 = w1[ n1 ];
u0 = u1[ p1 ];
v0 = v1[ i1 ];
for ( i0 = 0; i0 < S0; i0++ ) {
v0[ i0 ] = fcn( x0[ j0 ], y0[ k0 ], z0[ m0 ], w0[ n0 ], u0[ p0 ] ); // eslint-disable-line max-len
j0 += dx0;
k0 += dy0;
m0 += dz0;
n0 += dw0;
p0 += du0;
}
j1 += dx1;
k1 += dy1;
m1 += dz1;
n1 += dw1;
p1 += du1;
}
j2 += dx2;
k2 += dy2;
m2 += dz2;
n2 += dw2;
p2 += du2;
}
}
// EXPORTS //
module.exports = bquinary3d;
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