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test: add element comments and sentinel values to blas/ext/base/ndarray/zxsa #12408

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Merged
kgryte merged 1 commit into from
May 31, 2026
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test: add element comments and sentinel values to blas/ext/base/ndarray/zxsa #12408

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104 changes: 96 additions & 8 deletions lib/node_modules/@stdlib/blas/ext/base/ndarray/zxsa/test/test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -60,7 +60,18 @@ tape( 'the function subtracts a scalar constant from each element', function tes
var xbuf;
var x;

xbuf = new Complex128Array( [ -2.0, 1.0, 3.0, -5.0, 4.0, 0.0, -1.0, -3.0, 2.0, 1.0 ] );
xbuf = new Complex128Array([
-2.0, // 0
1.0, // 0
3.0, // 1
-5.0, // 1
4.0, // 2
0.0, // 2
-1.0, // 3
-3.0, // 3
2.0, // 4
1.0 // 4
]);
x = vector( xbuf, 5, 1, 0 );
alpha = scalar2ndarray( new Complex128( 5.0, 0.0 ), {
'dtype': 'complex128'
Expand All @@ -69,7 +80,18 @@ tape( 'the function subtracts a scalar constant from each element', function tes
actual = zxsa( [ x, alpha ] );
t.strictEqual( actual, x, 'returns expected value' );

expected = new Complex128Array( [ -7.0, 1.0, -2.0, -5.0, -1.0, 0.0, -6.0, -3.0, -3.0, 1.0 ] );
expected = new Complex128Array([
-7.0, // 0
1.0, // 0
-2.0, // 1
-5.0, // 1
-1.0, // 2
0.0, // 2
-6.0, // 3
-3.0, // 3
-3.0, // 4
1.0 // 4
]);
t.deepEqual( xbuf, expected, 'returns expected value' );

t.end();
Expand All @@ -82,7 +104,16 @@ tape( 'the function supports an input ndarray having a non-unit stride', functio
var xbuf;
var x;

xbuf = new Complex128Array( [ -2.0, 1.0, 3.0, -5.0, 4.0, 0.0, -1.0, -3.0 ] );
xbuf = new Complex128Array([
-2.0, // 0
1.0, // 0
0.0,
0.0,
4.0, // 1
0.0, // 1
0.0,
0.0
]);
x = vector( xbuf, 2, 2, 0 );
alpha = scalar2ndarray( new Complex128( 5.0, 0.0 ), {
'dtype': 'complex128'
Expand All @@ -91,7 +122,16 @@ tape( 'the function supports an input ndarray having a non-unit stride', functio
actual = zxsa( [ x, alpha ] );
t.strictEqual( actual, x, 'returns expected value' );

expected = new Complex128Array( [ -7.0, 1.0, 3.0, -5.0, -1.0, 0.0, -1.0, -3.0 ] );
expected = new Complex128Array([
-7.0, // 0
1.0, // 0
0.0,
0.0,
-1.0, // 1
0.0, // 1
0.0,
0.0
]);
t.deepEqual( xbuf, expected, 'returns expected value' );

t.end();
Expand All @@ -104,7 +144,18 @@ tape( 'the function supports an input ndarray having a negative stride', functio
var xbuf;
var x;

xbuf = new Complex128Array( [ -2.0, 1.0, 3.0, -5.0, 4.0, 0.0, -1.0, -3.0, 2.0, 1.0 ] );
xbuf = new Complex128Array([
-2.0, // 4
1.0, // 4
3.0, // 3
-5.0, // 3
4.0, // 2
0.0, // 2
-1.0, // 1
-3.0, // 1
2.0, // 0
1.0 // 0
]);
x = vector( xbuf, 5, -1, 4 );
alpha = scalar2ndarray( new Complex128( 5.0, 0.0 ), {
'dtype': 'complex128'
Expand All @@ -113,7 +164,18 @@ tape( 'the function supports an input ndarray having a negative stride', functio
actual = zxsa( [ x, alpha ] );
t.strictEqual( actual, x, 'returns expected value' );

expected = new Complex128Array( [ -7.0, 1.0, -2.0, -5.0, -1.0, 0.0, -6.0, -3.0, -3.0, 1.0 ] );
expected = new Complex128Array([
-7.0, // 4
1.0, // 4
-2.0, // 3
-5.0, // 3
-1.0, // 2
0.0, // 2
-6.0, // 1
-3.0, // 1
-3.0, // 0
1.0 // 0
]);
t.deepEqual( xbuf, expected, 'returns expected value' );

t.end();
Expand All @@ -126,7 +188,20 @@ tape( 'the function supports an input ndarray having a non-zero offset', functio
var xbuf;
var x;

xbuf = new Complex128Array( [ 1.0, 0.0, -2.0, 1.0, 3.0, -5.0, 4.0, 0.0, -1.0, -3.0, 2.0, 1.0 ] );
xbuf = new Complex128Array([
0.0,
0.0,
0.0,
0.0,
3.0, // 0
-5.0, // 0
4.0, // 1
0.0, // 1
-1.0, // 2
-3.0, // 2
0.0,
0.0
]);
x = vector( xbuf, 3, 1, 2 );
alpha = scalar2ndarray( new Complex128( 5.0, 0.0 ), {
'dtype': 'complex128'
Expand All @@ -135,7 +210,20 @@ tape( 'the function supports an input ndarray having a non-zero offset', functio
actual = zxsa( [ x, alpha ] );
t.strictEqual( actual, x, 'returns expected value' );

expected = new Complex128Array( [ 1.0, 0.0, -2.0, 1.0, -2.0, -5.0, -1.0, 0.0, -6.0, -3.0, 2.0, 1.0 ] );
expected = new Complex128Array([
0.0,
0.0,
0.0,
0.0,
-2.0, // 0
-5.0, // 0
-1.0, // 1
0.0, // 1
-6.0, // 2
-3.0, // 2
0.0,
0.0
]);
t.deepEqual( xbuf, expected, 'returns expected value' );

t.end();
Expand Down