test: add matrix offset fixtures

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---

Author: DivitJain26

lib/node_modules/@stdlib/blas/base/ctrsv/test/fixtures/column_major_oa.json

@@ -0,0 +1,19 @@
+{
+  "uplo": "lower",
+  "trans": "no-transpose",
+  "diag": "unit",
+  "N": 3,
+  "A": [ 999.0, 999.0, 999.0, 999.0, 1.0, 1.0, 2.0, 2.0, 3.0, 3.0, 0.0, 0.0, 4.0, 4.0, 5.0, 5.0, 0.0, 0.0, 0.0, 0.0, 6.0, 6.0 ],
+  "A_mat": [
+    [ 1.0, 1.0, 0.0, 0.0, 0.0, 0.0 ],
+    [ 2.0, 2.0, 4.0, 4.0, 0.0, 0.0 ],
+    [ 3.0, 3.0, 5.0, 5.0, 6.0, 6.0 ]
+  ],
+  "strideA1": 1,
+  "strideA2": 3,
+  "offsetA": 2,
+  "x": [ 1.0, 1.0, 2.0, 2.0, 3.0, 3.0 ],
+  "strideX": 1,
+  "offsetX": 0,
+  "x_out": [ 1.0, 1.0, 2.0, -2.0, -17.0, -3.0 ]
+}

lib/node_modules/@stdlib/blas/base/ctrsv/test/fixtures/column_major_ox.json

@@ -1,5 +1,4 @@
 {
-  "order": "column-major",
   "uplo": "lower",
   "trans": "no-transpose",
   "diag": "non-unit",
@@ -10,7 +9,6 @@
     [ 2.0, 2.0, 4.0, 4.0, 0.0, 0.0 ],
     [ 3.0, 3.0, 5.0, 5.0, 6.0, 6.0 ]
   ],
-  "LDA": 3,
   "strideA1": 1,
   "strideA2": 3,
   "offsetA": 0,

lib/node_modules/@stdlib/blas/base/ctrsv/test/fixtures/row_major_oa.json

@@ -0,0 +1,21 @@
+{
+  "order": "row-major",
+  "uplo": "lower",
+  "trans": "no-transpose",
+  "diag": "unit",
+  "N": 3,
+  "A": [ 999.0, 999.0, 999.0, 999.0, 999.0, 999.0, 999.0, 999.0, 1.0, 1.0, 0.0, 0.0, 0.0, 0.0, 2.0, 2.0, 4.0, 4.0, 0.0, 0.0, 3.0, 3.0, 5.0, 5.0, 6.0, 6.0 ],
+  "A_mat": [
+    [ 1.0, 1.0, 0.0, 0.0, 0.0, 0.0 ],
+    [ 2.0, 2.0, 4.0, 4.0, 0.0, 0.0 ],
+    [ 3.0, 3.0, 5.0, 5.0, 6.0, 6.0 ]
+  ],
+  "LDA": 3,
+  "strideA1": 3,
+  "strideA2": 1,
+  "offsetA": 4,
+  "x": [ 1.0, 1.0, 2.0, 2.0, 3.0, 3.0 ],
+  "strideX": 1,
+  "offsetX": 0,
+  "x_out": [ 1.0, 1.0, 2.0, -2.0, -17.0, -3.0 ]
+}

lib/node_modules/@stdlib/blas/base/ctrsv/test/fixtures/row_major_ox.json

@@ -1,5 +1,4 @@
 {
-  "order": "row-major",
   "uplo": "lower",
   "trans": "no-transpose",
   "diag": "unit",
@@ -10,7 +9,6 @@
     [ 2.0, 2.0, 4.0, 4.0, 0.0, 0.0 ],
     [ 3.0, 3.0, 5.0, 5.0, 6.0, 6.0 ]
   ],
-  "LDA": 3,
   "strideA1": 3,
   "strideA2": 1,
   "offsetA": 0,