test: add tests

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---

Author: aayush0325

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

@@ -0,0 +1,34 @@
+{
+  "order": "column-major",
+
+  "uplo": "upper",
+  "trans": "transpose",
+  "diag": "non-unit",
+  "normin": "no",
+
+  "N": 3,
+  "LDA": 3,
+
+  "A": [ 1.0e-100, 0.0, 0.0, 5.0, 1.0e-110, 0.0, 7.0, 8.0, 1.0e-120 ],
+  "strideA1": 1,
+  "strideA2": 3,
+  "offsetA": 0,
+
+  "A_mat": [
+    [  1.0e-100, 5.0, 7.0 ],
+    [  0.0,     1.0e-110,  8.0 ],
+    [  0.0,     0.0,      1.0e-120 ]
+  ],
+
+  "X": [ 1e100, 2e100, 3e100 ],
+  "strideX": 1,
+  "offsetX": 0,
+
+  "CNORM": [ 0.0, 0.0, 0.0 ],
+  "strideCNORM": 1,
+  "offsetCNORM": 0,
+
+  "expectedX": [ 2.00000000000000011102E-001, -1.00000000000000002357E+110, 8.00000000000000079653E+230 ],
+  "expectedCNORM": [ 0.0, 5.0, 15.0 ],
+  "scale": 2.0000000000000003e-201
+}

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

@@ -0,0 +1,34 @@
+{
+  "order": "row-major",
+
+  "uplo": "upper",
+  "trans": "transpose",
+  "diag": "non-unit",
+  "normin": "no",
+
+  "N": 3,
+  "LDA": 3,
+
+  "A": [ 1.0e-100, 5.0, 7.0, 0.0, 1.0e-110, 8.0, 0.0, 0.0, 1.0e-120 ],
+  "strideA1": 3,
+  "strideA2": 1,
+  "offsetA": 0,
+
+  "A_mat": [
+    [  1.0e-100, 5.0, 7.0 ],
+    [  0.0,     1.0e-110,  8.0 ],
+    [  0.0,     0.0,      1.0e-120 ]
+  ],
+
+  "X": [ 1e100, 2e100, 3e100 ],
+  "strideX": 1,
+  "offsetX": 0,
+
+  "CNORM": [ 0.0, 0.0, 0.0 ],
+  "strideCNORM": 1,
+  "offsetCNORM": 0,
+
+  "expectedX": [ 2.00000000000000011102E-001, -1.00000000000000002357E+110, 8.00000000000000079653E+230 ],
+  "expectedCNORM": [ 0.0, 5.0, 15.0 ],
+  "scale": 2.0000000000000003e-201
+}

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

@@ -56,6 +56,8 @@ var SCALED_NON_UNIT_NO_TRANS_UPPER_COL_MAJOR = require( './fixtures/scaled_non_u
 
 var SCALED_NON_UNIT_TRANS_LOWER_ROW_MAJOR = require( './fixtures/scaled_non_unit_trans_lower_row_major.json' );
 var SCALED_NON_UNIT_TRANS_LOWER_COL_MAJOR = require( './fixtures/scaled_non_unit_trans_lower_col_major.json' );
+var SCALED_NON_UNIT_TRANS_UPPER_ROW_MAJOR = require( './fixtures/scaled_non_unit_trans_upper_row_major.json' );
+var SCALED_NON_UNIT_TRANS_UPPER_COL_MAJOR = require( './fixtures/scaled_non_unit_trans_upper_col_major.json' );
 
 
 // TESTS //
@@ -933,3 +935,57 @@ tape( 'the function returns expected output for large values (column-major) (low
 
 	t.end();
 });
+
+tape( 'the function returns expected output for large values (row-major) (upper triangular) (transpose) (non-unit)', function test( t ) {
+	var expectedCNORM;
+	var expectedX;
+	var scale;
+	var CNORM;
+	var data;
+	var A;
+	var X;
+
+	data = SCALED_NON_UNIT_TRANS_UPPER_ROW_MAJOR;
+
+	A = new Float64Array( data.A );
+	CNORM = new Float64Array( data.CNORM );
+	X = new Float64Array( data.X );
+
+	expectedCNORM = new Float64Array( data.expectedCNORM );
+	expectedX = new Float64Array( data.expectedX );
+
+	scale = dlatrs( data.order, data.uplo, data.trans, data.diag, data.normin, data.N, A, data.LDA, X, CNORM );
+
+	t.strictEqual( scale, data.scale, 'returns expected value' );
+	t.deepEqual( X, expectedX, 'returns expected value' );
+	t.deepEqual( CNORM, expectedCNORM, 'returns expected value' );
+
+	t.end();
+});
+
+tape( 'the function returns expected output for large values (column-major) (upper triangular) (transpose) (non-unit)', function test( t ) {
+	var expectedCNORM;
+	var expectedX;
+	var scale;
+	var CNORM;
+	var data;
+	var A;
+	var X;
+
+	data = SCALED_NON_UNIT_TRANS_UPPER_COL_MAJOR;
+
+	A = new Float64Array( data.A );
+	CNORM = new Float64Array( data.CNORM );
+	X = new Float64Array( data.X );
+
+	expectedCNORM = new Float64Array( data.expectedCNORM );
+	expectedX = new Float64Array( data.expectedX );
+
+	scale = dlatrs( data.order, data.uplo, data.trans, data.diag, data.normin, data.N, A, data.LDA, X, CNORM );
+
+	t.strictEqual( scale, data.scale, 'returns expected value' );
+	t.deepEqual( X, expectedX, 'returns expected value' );
+	t.deepEqual( CNORM, expectedCNORM, 'returns expected value' );
+
+	t.end();
+});