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test: more test coverage
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‎lib/node_modules/@stdlib/lapack/base/dgtts2/test/fixtures/col_major_no_trans_ipiv_ne_i.json‎

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{
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"order": "column-major",
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"itrans": 0,
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"N": 3,
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"nrhs": 3,
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"DL": [ 0.5 , 0.5 ],
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"sdl": 1,
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"odl": 0,
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"D": [2 , 1 , 0.5],
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"sd": 1,
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"od": 0,
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"DU": [ 1.0, 1.0 ],
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"sdu": 1,
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"odu": 0,
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"DU2": [ 0.0 ],
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"sdu2": 1,
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"odu2": 0,
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"IPIV": [ 0, 2, 2 ],
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"si": 1,
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"oi": 0,
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"B": [ 7.0, 2.0, 1.0, 8.0, 3.0, 1.5, 7.0, 4.0, 2.0 ],
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"sb": 1,
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"ob": 0,
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"LDB": 3,
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"expected": [ 1, 5, -4, 1.5, 5, -3.5, 2, 3, -1 ]
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}

‎lib/node_modules/@stdlib/lapack/base/dgtts2/test/fixtures/col_major_trans_ipiv_ne_i.json‎

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{
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"order": "column-major",
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"itrans": 1,
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"N": 3,
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"nrhs": 3,
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"DL": [ 0.5 , 0.5 ],
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"sdl": 1,
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"odl": 0,
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"D": [2 , 1 , 0.5],
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"sd": 1,
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"od": 0,
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"DU": [ 1.0, 1.0 ],
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"sdu": 1,
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"odu": 0,
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"DU2": [ 0.0 ],
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"sdu2": 1,
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"odu2": 0,
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"IPIV": [ 0, 2, 2 ],
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"si": 1,
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"oi": 0,
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"B": [ 7.0, 2.0, 1.0, 8.0, 3.0, 1.5, 7.0, 4.0, 2.0 ],
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"sb": 1,
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"ob": 0,
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"LDB": 3,
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"expected": [ 1, 5, -4, 1.5, 5, -3.5, 2, 3, -1 ]
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}

‎lib/node_modules/@stdlib/lapack/base/dgtts2/test/fixtures/row_major_no_trans_ipiv_ne_i.json‎

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{
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"order": "row-major",
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"itrans": 1,
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"N": 3,
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"nrhs": 3,
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"DL": [ 0.5 , 0.5 ],
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"sdl": 1,
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"odl": 0,
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"D": [2 , 1 , 0.5],
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"sd": 1,
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"od": 0,
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"DU": [ 1.0, 1.0 ],
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"sdu": 1,
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"odu": 0,
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"DU2": [ 0.0 ],
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"sdu2": 1,
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"odu2": 0,
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"IPIV": [ 0, 2, 2 ],
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"si": 1,
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"oi": 0,
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"B": [ 7.0, 2.0, 1.0, 8.0, 3.0, 1.5, 7.0, 4.0, 2.0 ],
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"sb": 1,
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"ob": 0,
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"LDB": 3,
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"expected": [ 1, -1, -0.5, 5, 4, 2, 2, 0, 0 ]
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}

‎lib/node_modules/@stdlib/lapack/base/dgtts2/test/fixtures/row_major_trans_ipiv_ne_i.json‎

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{
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"order": "row-major",
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"itrans": 1,
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"N": 3,
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"nrhs": 3,
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"DL": [ 0.5 , 0.5 ],
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"sdl": 1,
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"odl": 0,
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"D": [2 , 1 , 0.5],
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"sd": 1,
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"od": 0,
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"DU": [ 1.0, 1.0 ],
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"sdu": 1,
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"odu": 0,
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"DU2": [ 0.0 ],
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"sdu2": 1,
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"odu2": 0,
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"IPIV": [ 0, 2, 2 ],
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"si": 1,
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"oi": 0,
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"B": [ 7.0, 2.0, 1.0, 8.0, 3.0, 1.5, 7.0, 4.0, 2.0 ],
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"sb": 1,
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"ob": 0,
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"LDB": 3,
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"expected": [ 1, -1, -0.5, 5, 4, 2, 2, 0, 0 ]
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}

‎lib/node_modules/@stdlib/lapack/base/dgtts2/test/test.dgtts2.js‎

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@@ -34,10 +34,16 @@ var COL_MAJOR_TRANS_NRHS_GT_ONE = require( './fixtures/col_major_trans_nrhs_gt_o
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var COL_MAJOR_NO_TRANS_NRHS_GT_ONE = require( './fixtures/col_major_no_trans_nrhs_gt_one.json' );
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var ROW_MAJOR_TRANS_NRHS_GT_ONE = require( './fixtures/row_major_trans_nrhs_gt_one.json' );
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var ROW_MAJOR_NO_TRANS_NRHS_GT_ONE = require( './fixtures/row_major_no_trans_nrhs_gt_one.json' );
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var COL_MAJOR_NO_TRANS_NRHS_EQ_ONE = require( './fixtures/col_major_no_trans_nrhs_eq_one.json' );
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var COL_MAJOR_TRANS_NRHS_EQ_ONE = require( './fixtures/col_major_trans_nrhs_eq_one.json' );
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var ROW_MAJOR_TRANS_NRHS_EQ_ONE = require( './fixtures/row_major_trans_nrhs_eq_one.json' );
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var COL_MAJOR_TRANS_IPIV_NE_I = require( './fixtures/col_major_trans_ipiv_ne_i.json' );
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var COL_MAJOR_NO_TRANS_IPIV_NE_I = require( './fixtures/col_major_no_trans_ipiv_ne_i.json' );
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var ROW_MAJOR_TRANS_IPIV_NE_I = require( './fixtures/row_major_trans_ipiv_ne_i.json' );
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var ROW_MAJOR_NO_TRANS_IPIV_NE_I = require( './fixtures/row_major_no_trans_ipiv_ne_i.json' );
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// TESTS //
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@@ -360,3 +366,115 @@ tape( 'the function solves A**T * X = B (column-major, nrhs <= 1)', function tes
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t.end();
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});
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tape( 'the function solves A**T * X = B when IPIV[ i ] != i (column-major, nrhs > 1)', function test( t ) {
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var expectedX;
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var IPIV;
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var data;
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var DU2;
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var DU;
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var DL;
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var D;
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var B;
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var X;
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data = COL_MAJOR_TRANS_IPIV_NE_I;
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DL = new Float64Array( data.DL );
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D = new Float64Array( data.D );
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DU = new Float64Array( data.DU );
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DU2 = new Float64Array( data.DU2 );
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IPIV = new Int32Array( data.IPIV );
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B = new Float64Array( data.B );
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X = dgtts2( data.order, data.itrans, data.N, data.nrhs, DL, D, DU, DU2, IPIV, B, data.LDB );
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expectedX = new Float64Array( data.expected );
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t.deepEqual( X, expectedX, 'returns expected value' );
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t.end();
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});
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tape( 'the function solves A * X = B when IPIV[ i ] != i (column-major, nrhs > 1)', function test( t ) {
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var expectedX;
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var IPIV;
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var data;
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var DU2;
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var DU;
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var DL;
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var D;
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var B;
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var X;
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data = COL_MAJOR_NO_TRANS_IPIV_NE_I;
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DL = new Float64Array( data.DL );
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D = new Float64Array( data.D );
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DU = new Float64Array( data.DU );
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DU2 = new Float64Array( data.DU2 );
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IPIV = new Int32Array( data.IPIV );
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B = new Float64Array( data.B );
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X = dgtts2( data.order, data.itrans, data.N, data.nrhs, DL, D, DU, DU2, IPIV, B, data.LDB );
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expectedX = new Float64Array( data.expected );
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t.deepEqual( X, expectedX, 'returns expected value' );
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t.end();
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});
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tape( 'the function solves A**T * X = B when IPIV[ i ] != i (row-major, nrhs > 1)', function test( t ) {
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var expectedX;
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var IPIV;
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var data;
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var DU2;
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var DU;
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var DL;
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var D;
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var B;
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var X;
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data = ROW_MAJOR_TRANS_IPIV_NE_I;
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DL = new Float64Array( data.DL );
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D = new Float64Array( data.D );
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DU = new Float64Array( data.DU );
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DU2 = new Float64Array( data.DU2 );
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IPIV = new Int32Array( data.IPIV );
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B = new Float64Array( data.B );
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X = dgtts2( data.order, data.itrans, data.N, data.nrhs, DL, D, DU, DU2, IPIV, B, data.LDB );
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expectedX = new Float64Array( data.expected );
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t.deepEqual( X, expectedX, 'returns expected value' );
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t.end();
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});
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tape( 'the function solves A * X = B when IPIV[ i ] != i (row-major, nrhs > 1)', function test( t ) {
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var expectedX;
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var IPIV;
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var data;
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var DU2;
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var DU;
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var DL;
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var D;
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var B;
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var X;
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data = ROW_MAJOR_NO_TRANS_IPIV_NE_I;
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DL = new Float64Array( data.DL );
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D = new Float64Array( data.D );
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DU = new Float64Array( data.DU );
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DU2 = new Float64Array( data.DU2 );
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IPIV = new Int32Array( data.IPIV );
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B = new Float64Array( data.B );
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X = dgtts2( data.order, data.itrans, data.N, data.nrhs, DL, D, DU, DU2, IPIV, B, data.LDB );
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expectedX = new Float64Array( data.expected );
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t.deepEqual( X, expectedX, 'returns expected value' );
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t.end();
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});

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