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test: increase test code coverage in blas/base/snrm2
PR-URL: #6688 Co-authored-by: Athan Reines <[email protected]> Reviewed-by: Athan Reines <[email protected]>
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‎lib/node_modules/@stdlib/blas/base/snrm2/test/test.ndarray.js‎

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@@ -22,6 +22,7 @@
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var tape = require( 'tape' );
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var Float32Array = require( '@stdlib/array/float32' );
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var isnan = require( '@stdlib/assert/is-nan' );
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var EPS = require( '@stdlib/constants/float32/eps' );
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var abs = require( '@stdlib/math/base/special/abs' );
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var snrm2 = require( './../lib/ndarray.js' );
@@ -83,6 +84,31 @@ tape( 'the function calculates the L2-norm of a vector', function test( t ) {
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z = snrm2( x.length, x, 1, 0 );
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isApprox( t, z, 4.0, 1.0 );
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x = new Float32Array( [ 9.0e-20, 9.0e-20, 1.2e-19 ] );
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z = snrm2( x.length, x, 1, 0 );
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isApprox( t, z, 1.7492856287692852e-19, 1.0 );
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x = new Float32Array( [ 1.0e-20, 1.0e-20, 1.0e-20, 1.0e-20 ] );
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z = snrm2( x.length, x, 1, 0 );
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isApprox( t, z, 1.999999936531045e-20, 1.0 );
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x = new Float32Array( [ 1.0e20, 1.0e5, 1.0e20, 1.0e5 ] );
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z = snrm2( x.length, x, 1, 0 );
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t.strictEqual( z, 141421358199525600000.0, 'returns expected value' );
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x = new Float32Array( [ 1.0e-20, 1.0e5, 1.0e-20, 1.0e5 ] );
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z = snrm2( x.length, x, 1, 0 );
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t.strictEqual( z, 141421.359375, 'returns expected value' );
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x = new Float32Array( [ 1.4e-19, 1.5e-19, 1.4e-19, 0.0 ] );
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z = snrm2( x.length, x, 1, 0 );
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isApprox( t, z, 2.4839484162537295e-19, 1.0 );
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t.end();
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});
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@@ -101,6 +127,23 @@ tape( 'if provided an `N` parameter less than or equal to `0`, the function retu
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t.end();
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});
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tape( 'the function returns NaN if provided an array element equal to NaN', function test( t ) {
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var actual;
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var x;
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x = new Float32Array( [ 1.4e40, NaN ] );
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actual = snrm2( 2, x, 1, 0 );
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t.strictEqual( isnan( actual ), true, 'returns expected value' );
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x = new Float32Array( [ 1.0, -2.0, NaN, 5.0, 3.0 ] );
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actual = snrm2( 3, x, 1, 0 );
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t.strictEqual( isnan( actual ), true, 'returns expected value' );
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t.end();
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});
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tape( 'the function supports a `stride` parameter', function test( t ) {
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var N;
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var x;

‎lib/node_modules/@stdlib/blas/base/snrm2/test/test.ndarray.native.js‎

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@@ -23,6 +23,7 @@
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var resolve = require( 'path' ).resolve;
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var tape = require( 'tape' );
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var Float32Array = require( '@stdlib/array/float32' );
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var isnan = require( '@stdlib/assert/is-nan' );
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var EPS = require( '@stdlib/constants/float32/eps' );
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var abs = require( '@stdlib/math/base/special/abs' );
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var tryRequire = require( '@stdlib/utils/try-require' );
@@ -92,6 +93,31 @@ tape( 'the function calculates the L2-norm of a vector', opts, function test( t
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z = snrm2( x.length, x, 1, 0 );
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isApprox( t, z, 4.0, 1.0 );
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x = new Float32Array( [ 9.0e-20, 9.0e-20, 1.2e-19 ] );
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z = snrm2( x.length, x, 1, 0 );
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isApprox( t, z, 1.7492856287692852e-19, 1.0 );
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x = new Float32Array( [ 1.0e-20, 1.0e-20, 1.0e-20, 1.0e-20 ] );
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z = snrm2( x.length, x, 1, 0 );
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isApprox( t, z, 1.999999936531045e-20, 1.0 );
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x = new Float32Array( [ 1.0e20, 1.0e5, 1.0e20, 1.0e5 ] );
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z = snrm2( x.length, x, 1, 0 );
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t.strictEqual( z, 141421358199525600000.0, 'returns expected value' );
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x = new Float32Array( [ 1.0e-20, 1.0e5, 1.0e-20, 1.0e5 ] );
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z = snrm2( x.length, x, 1, 0 );
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t.strictEqual( z, 141421.359375, 'returns expected value' );
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x = new Float32Array( [ 1.4e-19, 1.5e-19, 1.4e-19, 0.0 ] );
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z = snrm2( x.length, x, 1, 0 );
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isApprox( t, z, 2.4839484162537295e-19, 1.0 );
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t.end();
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});
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@@ -110,6 +136,23 @@ tape( 'if provided an `N` parameter less than or equal to `0`, the function retu
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t.end();
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});
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tape( 'the function returns NaN if provided an array element equal to NaN', opts, function test( t ) {
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var actual;
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var x;
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x = new Float32Array( [ 1.4e40, NaN ] );
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actual = snrm2( 2, x, 1, 0 );
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t.strictEqual( isnan( actual ), true, 'returns expected value' );
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x = new Float32Array( [ 1.0, -2.0, NaN, 5.0, 3.0 ] );
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actual = snrm2( 3, x, 1, 0 );
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t.strictEqual( isnan( actual ), true, 'returns expected value' );
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t.end();
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});
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tape( 'the function supports a `stride` parameter', opts, function test( t ) {
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var N;
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var x;

‎lib/node_modules/@stdlib/blas/base/snrm2/test/test.snrm2.js‎

Lines changed: 43 additions & 0 deletions
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@@ -22,6 +22,7 @@
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var tape = require( 'tape' );
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var Float32Array = require( '@stdlib/array/float32' );
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var isnan = require( '@stdlib/assert/is-nan' );
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var EPS = require( '@stdlib/constants/float32/eps' );
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var abs = require( '@stdlib/math/base/special/abs' );
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var snrm2 = require( './../lib/snrm2.js' );
@@ -83,6 +84,31 @@ tape( 'the function calculates the L2-norm of a vector', function test( t ) {
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z = snrm2( x.length, x, 1 );
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isApprox( t, z, 4.0, 1.0 );
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x = new Float32Array( [ 9.0e-20, 9.0e-20, 1.2e-19 ] );
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z = snrm2( x.length, x, 1 );
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isApprox( t, z, 1.7492856287692852e-19, 1.0 );
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x = new Float32Array( [ 1.0e-20, 1.0e-20, 1.0e-20, 1.0e-20 ] );
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z = snrm2( x.length, x, 1 );
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isApprox( t, z, 1.999999936531045e-20, 1.0 );
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x = new Float32Array( [ 1.0e20, 1.0e5, 1.0e20, 1.0e5 ] );
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z = snrm2( x.length, x, 1 );
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t.strictEqual( z, 141421358199525600000.0, 'returns expected value' );
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x = new Float32Array( [ 1.0e-20, 1.0e5, 1.0e-20, 1.0e5 ] );
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z = snrm2( x.length, x, 1 );
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t.strictEqual( z, 141421.359375, 'returns expected value' );
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x = new Float32Array( [ 1.4e-19, 1.5e-19, 1.4e-19, 0.0 ] );
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z = snrm2( x.length, x, 1 );
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isApprox( t, z, 2.4839484162537295e-19, 1.0 );
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t.end();
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});
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@@ -101,6 +127,23 @@ tape( 'if provided an `N` parameter less than or equal to `0`, the function retu
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t.end();
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});
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tape( 'the function returns NaN if provided an array element equal to NaN', function test( t ) {
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var actual;
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var x;
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x = new Float32Array( [ 1.4e40, NaN ] );
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actual = snrm2( 2, x, 1 );
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t.strictEqual( isnan( actual ), true, 'returns expected value' );
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x = new Float32Array( [ 1.0, -2.0, NaN, 5.0, 3.0 ] );
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actual = snrm2( 3, x, 1 );
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t.strictEqual( isnan( actual ), true, 'returns expected value' );
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t.end();
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});
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tape( 'the function supports a `stride` parameter', function test( t ) {
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var N;
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var x;

‎lib/node_modules/@stdlib/blas/base/snrm2/test/test.snrm2.native.js‎

Lines changed: 43 additions & 0 deletions
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@@ -23,6 +23,7 @@
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var resolve = require( 'path' ).resolve;
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var tape = require( 'tape' );
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var Float32Array = require( '@stdlib/array/float32' );
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var isnan = require( '@stdlib/assert/is-nan' );
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var EPS = require( '@stdlib/constants/float32/eps' );
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var abs = require( '@stdlib/math/base/special/abs' );
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var tryRequire = require( '@stdlib/utils/try-require' );
@@ -92,6 +93,31 @@ tape( 'the function calculates the L2-norm of a vector', opts, function test( t
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z = snrm2( x.length, x, 1 );
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isApprox( t, z, 4.0, 1.0 );
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x = new Float32Array( [ 9.0e-20, 9.0e-20, 1.2e-19 ] );
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z = snrm2( x.length, x, 1 );
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isApprox( t, z, 1.7492856287692852e-19, 1.0 );
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x = new Float32Array( [ 1.0e-20, 1.0e-20, 1.0e-20, 1.0e-20 ] );
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z = snrm2( x.length, x, 1 );
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isApprox( t, z, 1.999999936531045e-20, 1.0 );
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x = new Float32Array( [ 1.0e20, 1.0e5, 1.0e20, 1.0e5 ] );
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z = snrm2( x.length, x, 1 );
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t.strictEqual( z, 141421358199525600000.0, 'returns expected value' );
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x = new Float32Array( [ 1.0e-20, 1.0e5, 1.0e-20, 1.0e5 ] );
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z = snrm2( x.length, x, 1 );
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t.strictEqual( z, 141421.359375, 'returns expected value' );
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x = new Float32Array( [ 1.4e-19, 1.5e-19, 1.4e-19, 0.0 ] );
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z = snrm2( x.length, x, 1 );
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isApprox( t, z, 2.4839484162537295e-19, 1.0 );
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t.end();
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});
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@@ -110,6 +136,23 @@ tape( 'if provided an `N` parameter less than or equal to `0`, the function retu
110136
t.end();
111137
});
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tape( 'the function returns NaN if provided an array element equal to NaN', opts, function test( t ) {
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var actual;
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var x;
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x = new Float32Array( [ 1.4e40, NaN ] );
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actual = snrm2( 2, x, 1 );
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t.strictEqual( isnan( actual ), true, 'returns expected value' );
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x = new Float32Array( [ 1.0, -2.0, NaN, 5.0, 3.0 ] );
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actual = snrm2( 3, x, 1 );
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t.strictEqual( isnan( actual ), true, 'returns expected value' );
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t.end();
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});
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tape( 'the function supports a `stride` parameter', opts, function test( t ) {
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var N;
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var x;

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