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merged 3 commits into from
Apr 3, 2025
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test: increase code coverage in blas/base/caxpy #6530

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f125374
test: completes code coverage in blas/base/caxpy
ShabiShett07 Apr 3, 2025
9d48ef0
chore: modified if conditions
ShabiShett07 Apr 3, 2025
c0d9e56
Apply suggestions from code review
kgryte Apr 3, 2025
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5 changes: 1 addition & 4 deletions lib/node_modules/@stdlib/blas/base/caxpy/lib/ndarray.js
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Original file line number Diff line number Diff line change
Expand Up @@ -56,10 +56,7 @@ function caxpy( N, ca, cx, strideX, offsetX, cy, strideY, offsetY ) {
var iy;
var i;

if ( N <= 0 ) {
return cy;
}
if ( scabs1( ca ) === 0.0 ) {
if ( N <= 0 || scabs1( ca ) === 0.0 ) {
return cy;
}
ix = offsetX;
Expand Down
95 changes: 59 additions & 36 deletions lib/node_modules/@stdlib/blas/base/caxpy/test/test.caxpy.js
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Original file line number Diff line number Diff line change
Expand Up @@ -78,7 +78,7 @@ tape( 'the function scales elements from `cx` by `ca` and adds the result to `cy
var cx;
var cy;

cx = new Complex64Array( [
cx = new Complex64Array([
0.7, // 1
-0.8, // 1
-0.4, // 2
Expand All @@ -93,8 +93,8 @@ tape( 'the function scales elements from `cx` by `ca` and adds the result to `cy
0.4,
-0.6,
0.6
] );
cy = new Complex64Array( [
]);
cy = new Complex64Array([
0.6, // 1
-0.6, // 1
-0.9, // 2
Expand All @@ -109,13 +109,13 @@ tape( 'the function scales elements from `cx` by `ca` and adds the result to `cy
-0.3,
0.8,
-0.7
] );
]);
ca = new Complex64( 0.4, -0.7 );

caxpy( 4, ca, cx, 1, cy, 1 );

viewY = new Float32Array( cy.buffer );
expected = new Float32Array( [
expected = new Float32Array([
0.32, // 1
-1.41, // 1
-1.55, // 2
Expand All @@ -130,7 +130,7 @@ tape( 'the function scales elements from `cx` by `ca` and adds the result to `cy
-0.3,
0.8,
-0.7
] );
]);
isApprox( t, viewY, expected, 10.0 );
t.end();
});
Expand All @@ -142,7 +142,7 @@ tape( 'the function supports a `cx` stride', function test( t ) {
var cx;
var cy;

cx = new Complex64Array( [
cx = new Complex64Array([
0.7, // 1
-0.8, // 1
-0.4,
Expand All @@ -157,8 +157,8 @@ tape( 'the function supports a `cx` stride', function test( t ) {
0.4,
-0.6, // 4
0.6 // 4
] );
cy = new Complex64Array( [
]);
cy = new Complex64Array([
0.6, // 1
-0.6, // 1
-0.9, // 2
Expand All @@ -173,13 +173,13 @@ tape( 'the function supports a `cx` stride', function test( t ) {
-0.3,
0.8,
-0.7
] );
]);
ca = new Complex64( 0.4, -0.7 );

caxpy( 4, ca, cx, 2, cy, 1 );

viewY = new Float32Array( cy.buffer );
expected = new Float32Array( [
expected = new Float32Array([
0.32, // 1
-1.41, // 1
-1.57, // 2
Expand All @@ -194,7 +194,7 @@ tape( 'the function supports a `cx` stride', function test( t ) {
-0.3,
0.8,
-0.7
] );
]);
isApprox( t, viewY, expected, 10.0 );
t.end();
});
Expand All @@ -206,7 +206,7 @@ tape( 'the function supports a `cy` stride', function test( t ) {
var cx;
var cy;

cx = new Complex64Array( [
cx = new Complex64Array([
0.7, // 1
-0.8, // 1
-0.4, // 2
Expand All @@ -221,8 +221,8 @@ tape( 'the function supports a `cy` stride', function test( t ) {
0.4,
-0.6,
0.6
] );
cy = new Complex64Array( [
]);
cy = new Complex64Array([
0.6, // 1
-0.6, // 1
-0.9,
Expand All @@ -237,13 +237,13 @@ tape( 'the function supports a `cy` stride', function test( t ) {
-0.3,
0.8, // 4
-0.7 // 4
] );
]);
ca = new Complex64( 0.4, -0.7 );

caxpy( 4, ca, cx, 1, cy, 2 );

viewY = new Float32Array( cy.buffer );
expected = new Float32Array( [
expected = new Float32Array([
0.32, // 1
-1.41, // 1
-0.9,
Expand All @@ -258,7 +258,7 @@ tape( 'the function supports a `cy` stride', function test( t ) {
-0.3,
0.32, // 4
-1.16 // 4
] );
]);
isApprox( t, viewY, expected, 10.0 );
t.end();
});
Expand All @@ -279,6 +279,29 @@ tape( 'the function returns a reference to the output array', function test( t )
t.end();
});

tape( 'if provided `ca` parameter equal to `0`, the function returns the second input array unchanged', function test( t ) {
var expected;
var viewY;
var ca;
var cx;
var cy;

cx = new Complex64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 ] );
cy = new Complex64Array( [ 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 ] );
ca = new Complex64( 0.0, 0.0 );

viewY = new Float32Array( cy.buffer );
expected = new Float32Array( [ 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 ] );

caxpy( -1, ca, cx, 1, 0, cy, 1, 0 );
t.deepEqual( viewY, expected, 'returns expected value' );

caxpy( 0, ca, cx, 1, 0, cy, 1, 0 );
t.deepEqual( viewY, expected, 'returns expected value' );

t.end();
});

tape( 'if provided an `N` parameter less than or equal to `0`, the function returns the second input array unchanged', function test( t ) {
var expected;
var viewY;
Expand Down Expand Up @@ -309,7 +332,7 @@ tape( 'the function supports negative `cx` strides', function test( t ) {
var cx;
var cy;

cx = new Complex64Array( [
cx = new Complex64Array([
0.7, // 4
-0.8, // 4
-0.4,
Expand All @@ -324,8 +347,8 @@ tape( 'the function supports negative `cx` strides', function test( t ) {
0.4,
-0.6, // 1
0.6 // 1
] );
cy = new Complex64Array( [
]);
cy = new Complex64Array([
0.6, // 1
-0.6, // 1
-0.9, // 2
Expand All @@ -340,13 +363,13 @@ tape( 'the function supports negative `cx` strides', function test( t ) {
-0.3,
0.8,
-0.7
] );
]);
ca = new Complex64( 0.4, -0.7 );

caxpy( 4, ca, cx, -2, cy, 1 );

viewY = new Float32Array( cy.buffer );
expected = new Float32Array( [
expected = new Float32Array([
0.78, // 1
0.06, // 1
-1.54, // 2
Expand All @@ -361,7 +384,7 @@ tape( 'the function supports negative `cx` strides', function test( t ) {
-0.3,
0.8,
-0.7
] );
]);
isApprox( t, viewY, expected, 10.0 );
t.end();
});
Expand All @@ -373,7 +396,7 @@ tape( 'the function supports negative `cy` strides', function test( t ) {
var cx;
var cy;

cx = new Complex64Array( [
cx = new Complex64Array([
0.7, // 1
-0.8, // 1
-0.4,
Expand All @@ -388,8 +411,8 @@ tape( 'the function supports negative `cy` strides', function test( t ) {
0.4,
-0.6, // 4
0.6 // 4
] );
cy = new Complex64Array( [
]);
cy = new Complex64Array([
0.6, // 4
-0.6, // 4
-0.9,
Expand All @@ -404,13 +427,13 @@ tape( 'the function supports negative `cy` strides', function test( t ) {
-0.3,
0.8, // 1
-0.7 // 1
] );
]);
ca = new Complex64( 0.4, -0.7 );

caxpy( 4, ca, cx, 2, cy, -2 );

viewY = new Float32Array( cy.buffer );
expected = new Float32Array( [
expected = new Float32Array([
0.78, // 4
0.06, // 4
-0.9,
Expand All @@ -425,7 +448,7 @@ tape( 'the function supports negative `cy` strides', function test( t ) {
-0.3,
0.52, // 1
-1.51 // 1
] );
]);
isApprox( t, viewY, expected, 10.0 );
t.end();
});
Expand All @@ -437,7 +460,7 @@ tape( 'the function supports complex access patterns', function test( t ) {
var cx;
var cy;

cx = new Complex64Array( [
cx = new Complex64Array([
0.7, // 4
-0.8, // 4
-0.4, // 3
Expand All @@ -452,8 +475,8 @@ tape( 'the function supports complex access patterns', function test( t ) {
0.4,
-0.6,
0.6
] );
cy = new Complex64Array( [
]);
cy = new Complex64Array([
0.6, // 4
-0.6, // 4
-0.9,
Expand All @@ -468,13 +491,13 @@ tape( 'the function supports complex access patterns', function test( t ) {
-0.3,
0.8, // 1
-0.7 // 1
] );
]);
ca = new Complex64( 0.4, -0.7 );

caxpy( 4, ca, cx, -1, cy, -2 );

viewY = new Float32Array( cy.buffer );
expected = new Float32Array( [
expected = new Float32Array([
0.32, // 4
-1.41, // 4
-0.9,
Expand All @@ -489,7 +512,7 @@ tape( 'the function supports complex access patterns', function test( t ) {
-0.3,
0.32, // 1
-1.16 // 1
] );
]);
isApprox( t, viewY, expected, 10.0 );
t.end();
});
Expand Down
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