feat: add lib

Author: Pranavchiku

lib/node_modules/@stdlib/lapack/base/iladlr/lib/iladlr.js

@@ -0,0 +1,69 @@
+/**
+* @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.
+*/
+
+'use strict';
+
+// MODULES //
+
+var isLayout = require( '@stdlib/blas/base/assert/is-layout' );
+var format = require( '@stdlib/string/format' );
+var base = require( './base.js' );
+
+
+// MAIN //
+
+/**
+* Returns last non-zero row of matrix `A`.
+*
+* @param {string} order - storage layout
+* @param {NonNegativeInteger} M - number of rows
+* @param {NonNegativeInteger} N - number of columns
+* @param {Float64Array} A - input matrix
+* @param {PositiveInteger} LDA - stride of the first dimension of `A` (a.k.a., leading dimension of the matrix `A`)
+* @throws {TypeError} first argument must be a valid order
+* @returns {integer} index of last non-zero row
+*
+* @example
+* var Float64Array = require( '@stdlib/array/float64' );
+*
+* var out;
+* var A = new Float64Array( [ 1.0, 2.0, 3.0, 4.0 ] );
+*
+* out = iladlr( 'row-major', 2, 2, A, 2 );
+* // returns 1
+*/
+function iladlr( order, M, N, A, LDA ) {
+	var sa1;
+	var sa2;
+	if ( !isLayout( order ) ) {
+		throw new TypeError( format( 'invalid argument. First argument must be a valid order. Value: `%s`.', order ) );
+	}
+	if ( order === 'column-major' ) {
+		sa1 = 1;
+		sa2 = LDA;
+	} else { // order === 'row-major'
+		sa1 = LDA;
+		sa2 = 1;
+	}
+	return base( M, N, A, sa1, sa2, 0 );
+}
+
+
+// EXPORTS //
+
+module.exports = iladlr;

lib/node_modules/@stdlib/lapack/base/iladlr/lib/main.js

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+/**
+* @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.
+*/
+
+'use strict';
+
+// MODULES //
+
+var setReadOnly = require( '@stdlib/utils/define-nonenumerable-read-only-property' );
+var iladlr = require( './iladlr.js' );
+var ndarray = require( './ndarray.js' );
+
+
+// MAIN //
+
+setReadOnly( iladlr, 'ndarray', ndarray );
+
+
+// EXPORTS //
+
+module.exports = iladlr;

lib/node_modules/@stdlib/lapack/base/iladlr/lib/ndarray.js

@@ -0,0 +1,56 @@
+/**
+* @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.
+*/
+
+'use strict';
+
+// MODULES //
+
+var base = require( './base.js' );
+
+
+// MAIN //
+
+/**
+* Returns last non-zero row of matrix `A` using alternative indexing semantics.
+*
+* @name iladlr
+* @type {Function}
+* @param {NonNegativeInteger} M - number of rows
+* @param {NonNegativeInteger} N - number of columns
+* @param {Float64Array} A - input matrix
+* @param {integer} strideA1 - stride of the first dimension of `A`
+* @param {integer} strideA2 - stride of the second dimension of `A`
+* @param {NonNegativeInteger} offsetA - starting index for `A`
+* @throws {TypeError} first argument must be a valid order
+* @returns {integer} index of last non-zero row
+*
+* @example
+* var Float64Array = require( '@stdlib/array/float64' );
+*
+* var out;
+* var A = new Float64Array( [ 1.0, 2.0, 3.0, 4.0 ] );
+*
+* out = iladlr( 2, 2, A, 2, 1, 0 );
+* // returns 1
+*/
+var iladlr = base;
+
+
+// EXPORTS //
+
+module.exports = iladlr;