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test: add tests
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‎lib/node_modules/@stdlib/lapack/base/dlatrs/test/fixtures/scaled_unit_no_trans_lower_col_major.json‎

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{
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"order": "column-major",
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"uplo": "lower",
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"trans": "no-transpose",
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"diag": "unit",
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"normin": "no",
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"N": 3,
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"LDA": 3,
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"A": [ 1.0, 1e100, 2e100, 0.0, 1.0, 3e100, 0.0, 0.0, 1.0 ],
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"strideA1": 1,
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"strideA2": 3,
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"offsetA": 0,
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"A_mat": [
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[ 1.0, 0.0, 0.0 ],
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[ 1e100, 1.0, 0.0 ],
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[ 2e100, 3e100, 1.0 ]
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],
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"X": [ 1e100, 2e100, 3e100 ],
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"strideX": 1,
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"offsetX": 0,
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"CNORM": [ 0.0, 0.0, 0.0 ],
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"strideCNORM": 1,
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"offsetCNORM": 0,
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"expectedX": [ 5.00000000000000009996E-101, -5.00000000000000000000E-001, 1.49999999999999992672E+100 ],
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"expectedCNORM": [ 3.00000000000000024198E+100, 3e100, 0.0 ],
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"scale": 4.9999999999999999E-201
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}

‎lib/node_modules/@stdlib/lapack/base/dlatrs/test/fixtures/scaled_unit_no_trans_lower_row_major.json‎

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{
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"order": "row-major",
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"uplo": "lower",
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"trans": "no-transpose",
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"diag": "unit",
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"normin": "no",
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"N": 3,
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"LDA": 3,
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"A": [ 1.0, 0.0, 0.0, 1e100, 1.0, 0.0, 2e100, 3e100, 1.0 ],
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"strideA1": 3,
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"strideA2": 1,
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"offsetA": 0,
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"A_mat": [
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[ 1.0, 0.0, 0.0 ],
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[ 1e100, 1.0, 0.0 ],
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[ 2e100, 3e100, 1.0 ]
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],
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"X": [ 1e100, 2e100, 3e100 ],
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"strideX": 1,
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"offsetX": 0,
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"CNORM": [ 0.0, 0.0, 0.0 ],
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"strideCNORM": 1,
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"offsetCNORM": 0,
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"expectedX": [ 5.00000000000000009996E-101, -5.00000000000000000000E-001, 1.49999999999999992672E+100 ],
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"expectedCNORM": [ 3.00000000000000024198E+100, 3e100, 0.0 ],
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"scale": 4.9999999999999999E-201
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}

‎lib/node_modules/@stdlib/lapack/base/dlatrs/test/fixtures/scaled_unit_no_trans_upper_col_major.json‎

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{
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"order": "column-major",
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"uplo": "upper",
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"trans": "no-transpose",
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"diag": "unit",
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"normin": "no",
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"N": 3,
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"LDA": 3,
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"A": [ 1.0, 0.0, 0.0, 1e100, 1.0, 0.0, 2e100, 3e100, 1.0 ],
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"strideA1": 1,
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"strideA2": 3,
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"offsetA": 0,
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"A_mat": [
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[ 1.0, 1e100, 2e100 ],
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[ 0.0, 1.0, 3e100 ],
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[ 0.0, 0.0, 1.0 ]
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],
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"X": [ 3e100, 2e100, 1e100 ],
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"strideX": 1,
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"offsetX": 0,
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"CNORM": [ 0.0, 0.0, 0.0 ],
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"strideCNORM": 1,
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"offsetCNORM": 0,
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"expectedX": [ 5.00000000000000007951E+099, -5.00000000000000000000E-001, 1.66666666666666680573E-101 ],
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"expectedCNORM": [ 0.0, 1.00000000000000001590E+100, 4.99999999999999988525E+100 ],
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"scale": 1.6666666666666668E-201
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}

‎lib/node_modules/@stdlib/lapack/base/dlatrs/test/fixtures/scaled_unit_no_trans_upper_row_major.json‎

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{
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"order": "row-major",
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"uplo": "upper",
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"trans": "no-transpose",
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"diag": "unit",
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"normin": "no",
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"N": 3,
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"LDA": 3,
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"A": [ 1.0, 1e100, 2e100, 0.0, 1.0, 3e100, 0.0, 0.0, 1.0 ],
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"strideA1": 3,
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"strideA2": 1,
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"offsetA": 0,
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"A_mat": [
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[ 1.0, 1e100, 2e100 ],
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[ 0.0, 1.0, 3e100 ],
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[ 0.0, 0.0, 1.0 ]
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],
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"X": [ 3e100, 2e100, 1e100 ],
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"strideX": 1,
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"offsetX": 0,
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"CNORM": [ 0.0, 0.0, 0.0 ],
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"strideCNORM": 1,
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"offsetCNORM": 0,
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"expectedX": [ 5.00000000000000007951E+099, -5.00000000000000000000E-001, 1.66666666666666680573E-101 ],
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"expectedCNORM": [ 0.0, 1.00000000000000001590E+100, 4.99999999999999988525E+100 ],
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"scale": 1.6666666666666668E-201
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}

‎lib/node_modules/@stdlib/lapack/base/dlatrs/test/test.dlatrs.js‎

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@@ -59,6 +59,11 @@ var SCALED_NON_UNIT_TRANS_LOWER_COL_MAJOR = require( './fixtures/scaled_non_unit
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var SCALED_NON_UNIT_TRANS_UPPER_ROW_MAJOR = require( './fixtures/scaled_non_unit_trans_upper_row_major.json' );
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var SCALED_NON_UNIT_TRANS_UPPER_COL_MAJOR = require( './fixtures/scaled_non_unit_trans_upper_col_major.json' );
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var SCALED_UNIT_NO_TRANS_LOWER_ROW_MAJOR = require( './fixtures/scaled_unit_no_trans_lower_row_major.json' );
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var SCALED_UNIT_NO_TRANS_LOWER_COL_MAJOR = require( './fixtures/scaled_unit_no_trans_lower_col_major.json' );
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var SCALED_UNIT_NO_TRANS_UPPER_ROW_MAJOR = require( './fixtures/scaled_unit_no_trans_upper_row_major.json' );
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var SCALED_UNIT_NO_TRANS_UPPER_COL_MAJOR = require( './fixtures/scaled_unit_no_trans_upper_col_major.json' );
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// TESTS //
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@@ -989,3 +994,111 @@ tape( 'the function returns expected output for large values (column-major) (upp
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t.end();
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});
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tape( 'the function returns expected output for large values (row-major) (lower triangular) (no-transpose) (unit)', function test( t ) {
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var expectedCNORM;
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var expectedX;
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var scale;
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var CNORM;
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var data;
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var A;
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var X;
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data = SCALED_UNIT_NO_TRANS_LOWER_ROW_MAJOR;
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A = new Float64Array( data.A );
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CNORM = new Float64Array( data.CNORM );
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X = new Float64Array( data.X );
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expectedCNORM = new Float64Array( data.expectedCNORM );
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expectedX = new Float64Array( data.expectedX );
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scale = dlatrs( data.order, data.uplo, data.trans, data.diag, data.normin, data.N, A, data.LDA, X, CNORM );
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t.strictEqual( scale, data.scale, 'returns expected value' );
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t.deepEqual( X, expectedX, 'returns expected value' );
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t.deepEqual( CNORM, expectedCNORM, 'returns expected value' );
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t.end();
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});
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tape( 'the function returns expected output for large values (column-major) (lower triangular) (no-transpose) (unit)', function test( t ) {
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var expectedCNORM;
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var expectedX;
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var scale;
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var CNORM;
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var data;
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var A;
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var X;
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data = SCALED_UNIT_NO_TRANS_LOWER_COL_MAJOR;
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A = new Float64Array( data.A );
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CNORM = new Float64Array( data.CNORM );
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X = new Float64Array( data.X );
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expectedCNORM = new Float64Array( data.expectedCNORM );
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expectedX = new Float64Array( data.expectedX );
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scale = dlatrs( data.order, data.uplo, data.trans, data.diag, data.normin, data.N, A, data.LDA, X, CNORM );
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t.strictEqual( scale, data.scale, 'returns expected value' );
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t.deepEqual( X, expectedX, 'returns expected value' );
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t.deepEqual( CNORM, expectedCNORM, 'returns expected value' );
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t.end();
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});
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tape( 'the function returns expected output for large values (row-major) (upper triangular) (no-transpose) (unit)', function test( t ) {
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var expectedCNORM;
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var expectedX;
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var scale;
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var CNORM;
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var data;
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var A;
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var X;
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data = SCALED_UNIT_NO_TRANS_UPPER_ROW_MAJOR;
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A = new Float64Array( data.A );
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CNORM = new Float64Array( data.CNORM );
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X = new Float64Array( data.X );
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expectedCNORM = new Float64Array( data.expectedCNORM );
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expectedX = new Float64Array( data.expectedX );
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scale = dlatrs( data.order, data.uplo, data.trans, data.diag, data.normin, data.N, A, data.LDA, X, CNORM );
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t.strictEqual( scale, data.scale, 'returns expected value' );
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t.deepEqual( X, expectedX, 'returns expected value' );
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t.deepEqual( CNORM, expectedCNORM, 'returns expected value' );
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t.end();
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});
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tape( 'the function returns expected output for large values (column-major) (upper triangular) (no-transpose) (unit)', function test( t ) {
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var expectedCNORM;
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var expectedX;
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var scale;
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var CNORM;
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var data;
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var A;
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var X;
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data = SCALED_UNIT_NO_TRANS_UPPER_COL_MAJOR;
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A = new Float64Array( data.A );
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CNORM = new Float64Array( data.CNORM );
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X = new Float64Array( data.X );
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expectedCNORM = new Float64Array( data.expectedCNORM );
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expectedX = new Float64Array( data.expectedX );
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scale = dlatrs( data.order, data.uplo, data.trans, data.diag, data.normin, data.N, A, data.LDA, X, CNORM );
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t.strictEqual( scale, data.scale, 'returns expected value' );
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t.deepEqual( X, expectedX, 'returns expected value' );
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t.deepEqual( CNORM, expectedCNORM, 'returns expected value' );
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t.end();
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});

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