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* @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 stride2offset = require( '@stdlib/strided/base/stride2offset' );
var ndarray = require( './ndarray.js' );
// MAIN //
/**
* Returns the index of the first truthy element in a double-precision complex floating-point strided array.
*
* ## Notes
*
* - A complex number is truthy when at least one of its real or imaginary components is truthy.
* - If unable to find a truthy element, the function returns `-1`.
* - The function explicitly treats `NaN` values as falsy.
*
* @param {PositiveInteger} N - number of indexed elements
* @param {Complex128Array} x - input array
* @param {integer} strideX - stride length
* @returns {integer} index
*
* @example
* var Complex128Array = require( '@stdlib/array/complex128' );
*
* var x = new Complex128Array( [ 0.0, 0.0, 1.0, 2.0, 4.0, 5.0 ] );
*
* var idx = zindexOfTruthy( x.length, x, 1 );
* // returns 1
*/
function zindexOfTruthy( N, x, strideX ) {
return ndarray( N, x, strideX, stride2offset( N, strideX ) );
}
// EXPORTS //
module.exports = zindexOfTruthy;
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