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fix(@stdlib/blas/ext/find-index): supply default fromIndex to gfindIndex #14533

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fix(@stdlib/blas/ext/find-index): supply default fromIndex to gfindIndex #14533

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24 changes: 23 additions & 1 deletion lib/node_modules/@stdlib/blas/ext/find-index/lib/base.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
// MODULES //

var dtypes = require( '@stdlib/ndarray/dtypes' );
var scalar2ndarray = require( '@stdlib/ndarray/from-scalar' );
var gfindIndex = require( '@stdlib/blas/ext/base/ndarray/gfind-index' );
var factory = require( '@stdlib/ndarray/base/unary-reduce-strided1d-dispatch-by-factory' );

Expand All @@ -33,8 +34,14 @@ var policies = {
'output': 'integer_index_and_generic',
'casting': 'none'
};

// Zero-dimensional ndarray specifying the default starting search index expected by `gfindIndex`:
var FROM_INDEX = scalar2ndarray( 0, {
'dtype': 'generic'
});

var table = {
'default': gfindIndex
'default': indexOf
};


Expand Down Expand Up @@ -88,6 +95,21 @@ var table = {
var findIndex = factory( table, [ idtypes ], odtypes, policies );


// FUNCTIONS //

/**
* Invokes `gfindIndex` with a default starting search index.
*
* @private
* @param {ArrayLikeObject<Object>} arrays - array-like object containing a one-dimensional input ndarray
* @param {Function} clbk - callback function
* @returns {integer} index
*/
function indexOf( arrays, clbk ) {
return gfindIndex( [ arrays[ 0 ], FROM_INDEX ], clbk );
}


// EXPORTS //

module.exports = findIndex;
Expand Down