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Merged
kgryte merged 2 commits into from
Oct 13, 2026
Merged

test: migrate blas/ext/base/drrss to ULP-based assertions #16087

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9586b07
test: migrate `blas/ext/base/drrss` to ULP-based assertions
DivyanshuVortex Oct 12, 2026
2e344aa
test: migrate blas/ext/base/drrss to ULP-based assertions (fix scalar…
DivyanshuVortex Oct 12, 2026
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38 changes: 4 additions & 34 deletions lib/node_modules/@stdlib/blas/ext/base/drrss/test/test.drrss.js
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Original file line number Diff line number Diff line change
Expand Up @@ -23,40 +23,10 @@
var tape = require( 'tape' );
var sqrt = require( '@stdlib/math/base/special/sqrt' );
var Float64Array = require( '@stdlib/array/float64' );
var EPS = require( '@stdlib/constants/float64/eps' );
var abs = require( '@stdlib/math/base/special/abs' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var drrss = require( './../lib/drrss.js' );


// FUNCTIONS //

/**
* Tests for element-wise approximate equality.
*
* @private
* @param {Object} t - test object
* @param {Collection} actual - actual values
* @param {Collection} expected - expected values
* @param {number} rtol - relative tolerance
*/
function isApprox( t, actual, expected, rtol ) {
var delta;
var tol;
var i;

t.strictEqual( actual.length, expected.length, 'returns expected value' );
for ( i = 0; i < expected.length; i++ ) {
if ( actual[ i ] === expected[ i ] ) {
t.strictEqual( actual[ i ], expected[ i ], 'returns expected value' );
} else {
delta = abs( actual[ i ] - expected[ i ] );
tol = rtol * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. actual: '+actual[ i ]+'. expected: '+expected[ i ]+'. delta: '+delta+'. tol: '+tol+'.' );
}
}
}


// TESTS //

tape( 'main export is a function', function test( t ) {
Expand Down Expand Up @@ -103,19 +73,19 @@ tape( 'the function calculates the square root of the residual sum of squares',
y = new Float64Array( [ -1.0e150, -1.0e50, -1.0e150, -1.0e50 ] );

z = drrss( x.length, x, 1, y, 1 );
isApprox( t, z, 2.82842712474619e+150, 1.0 );
t.strictEqual( isAlmostSameValue( z, 2.82842712474619e+150, 0 ), true, 'returns expected value' );

x = new Float64Array( [ 1.0e-155, 1.0e50, 1.0e-155, 1.0e50 ] );
y = new Float64Array( [ -1.0e-155, -1.0e50, -1.0e-155, -1.0e50 ] );

z = drrss( x.length, x, 1, y, 1 );
isApprox( t, z, 2.8284271247461905e+50, 1.0 );
t.strictEqual( isAlmostSameValue( z, 2.8284271247461905e+50, 0 ), true, 'returns expected value' );

x = new Float64Array( [ 1.4e-154, 1.5e-154, 1.4e-154, 0.0 ] );
y = new Float64Array( [ -1.4e-154, -1.5e-154, -1.4e-154, 0.0 ] );

z = drrss( x.length, x, 1, y, 1 );
isApprox( t, z, 4.967896939349689e-154, 1.0 );
t.strictEqual( isAlmostSameValue( z, 4.967896939349689e-154, 0 ), true, 'returns expected value' );

t.end();
});
Expand Down
38 changes: 4 additions & 34 deletions lib/node_modules/@stdlib/blas/ext/base/drrss/test/test.drrss.native.js
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Original file line number Diff line number Diff line change
Expand Up @@ -24,8 +24,7 @@ var resolve = require( 'path' ).resolve;
var tape = require( 'tape' );
var sqrt = require( '@stdlib/math/base/special/sqrt' );
var Float64Array = require( '@stdlib/array/float64' );
var EPS = require( '@stdlib/constants/float64/eps' );
var abs = require( '@stdlib/math/base/special/abs' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var tryRequire = require( '@stdlib/utils/try-require' );


Expand All @@ -37,35 +36,6 @@ var opts = {
};


// FUNCTIONS //

/**
* Tests for element-wise approximate equality.
*
* @private
* @param {Object} t - test object
* @param {Collection} actual - actual values
* @param {Collection} expected - expected values
* @param {number} rtol - relative tolerance
*/
function isApprox( t, actual, expected, rtol ) {
var delta;
var tol;
var i;

t.strictEqual( actual.length, expected.length, 'returns expected value' );
for ( i = 0; i < expected.length; i++ ) {
if ( actual[ i ] === expected[ i ] ) {
t.strictEqual( actual[ i ], expected[ i ], 'returns expected value' );
} else {
delta = abs( actual[ i ] - expected[ i ] );
tol = rtol * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. actual: '+actual[ i ]+'. expected: '+expected[ i ]+'. delta: '+delta+'. tol: '+tol+'.' );
}
}
}


// TESTS //

tape( 'main export is a function', opts, function test( t ) {
Expand Down Expand Up @@ -112,19 +82,19 @@ tape( 'the function calculates the square root of the residual sum of squares',
y = new Float64Array( [ -1.0e150, -1.0e50, -1.0e150, -1.0e50 ] );

z = drrss( x.length, x, 1, y, 1 );
isApprox( t, z, 2.82842712474619e+150, 1.0 );
t.strictEqual( isAlmostSameValue( z, 2.82842712474619e+150, 0 ), true, 'returns expected value' );

x = new Float64Array( [ 1.0e-155, 1.0e50, 1.0e-155, 1.0e50 ] );
y = new Float64Array( [ -1.0e-155, -1.0e50, -1.0e-155, -1.0e50 ] );

z = drrss( x.length, x, 1, y, 1 );
isApprox( t, z, 2.8284271247461905e+50, 1.0 );
t.strictEqual( isAlmostSameValue( z, 2.8284271247461905e+50, 0 ), true, 'returns expected value' );

x = new Float64Array( [ 1.4e-154, 1.5e-154, 1.4e-154, 0.0 ] );
y = new Float64Array( [ -1.4e-154, -1.5e-154, -1.4e-154, 0.0 ] );

z = drrss( x.length, x, 1, y, 1 );
isApprox( t, z, 4.967896939349689e-154, 1.0 );
t.strictEqual( isAlmostSameValue( z, 4.967896939349689e-154, 0 ), true, 'returns expected value' );

t.end();
});
Expand Down
38 changes: 4 additions & 34 deletions lib/node_modules/@stdlib/blas/ext/base/drrss/test/test.ndarray.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -23,40 +23,10 @@
var tape = require( 'tape' );
var sqrt = require( '@stdlib/math/base/special/sqrt' );
var Float64Array = require( '@stdlib/array/float64' );
var EPS = require( '@stdlib/constants/float64/eps' );
var abs = require( '@stdlib/math/base/special/abs' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var drrss = require( './../lib/ndarray.js' );


// FUNCTIONS //

/**
* Tests for element-wise approximate equality.
*
* @private
* @param {Object} t - test object
* @param {Collection} actual - actual values
* @param {Collection} expected - expected values
* @param {number} rtol - relative tolerance
*/
function isApprox( t, actual, expected, rtol ) {
var delta;
var tol;
var i;

t.strictEqual( actual.length, expected.length, 'returns expected value' );
for ( i = 0; i < expected.length; i++ ) {
if ( actual[ i ] === expected[ i ] ) {
t.strictEqual( actual[ i ], expected[ i ], 'returns expected value' );
} else {
delta = abs( actual[ i ] - expected[ i ] );
tol = rtol * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. actual: '+actual[ i ]+'. expected: '+expected[ i ]+'. delta: '+delta+'. tol: '+tol+'.' );
}
}
}


// TESTS //

tape( 'main export is a function', function test( t ) {
Expand Down Expand Up @@ -103,19 +73,19 @@ tape( 'the function calculates the square root of the residual sum of squares of
y = new Float64Array( [ -1.0e150, -1.0e50, -1.0e150, -1.0e50 ] );

z = drrss( x.length, x, 1, 0, y, 1, 0 );
isApprox( t, z, 2.82842712474619e+150, 1.0 );
t.strictEqual( isAlmostSameValue( z, 2.82842712474619e+150, 0 ), true, 'returns expected value' );

x = new Float64Array( [ 1.0e-155, 1.0e50, 1.0e-155, 1.0e50 ] );
y = new Float64Array( [ -1.0e-155, -1.0e50, -1.0e-155, -1.0e50 ] );

z = drrss( x.length, x, 1, 0, y, 1, 0 );
isApprox( t, z, 2.8284271247461905e+50, 1.0 );
t.strictEqual( isAlmostSameValue( z, 2.8284271247461905e+50, 0 ), true, 'returns expected value' );

x = new Float64Array( [ 1.4e-154, 1.5e-154, 1.4e-154, 0.0 ] );
y = new Float64Array( [ -1.4e-154, -1.5e-154, -1.4e-154, 0.0 ] );

z = drrss( x.length, x, 1, 0, y, 1, 0 );
isApprox( t, z, 4.967896939349689e-154, 1.0 );
t.strictEqual( isAlmostSameValue( z, 4.967896939349689e-154, 0 ), true, 'returns expected value' );

t.end();
});
Expand Down
38 changes: 4 additions & 34 deletions lib/node_modules/@stdlib/blas/ext/base/drrss/test/test.ndarray.native.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -24,8 +24,7 @@ var resolve = require( 'path' ).resolve;
var tape = require( 'tape' );
var sqrt = require( '@stdlib/math/base/special/sqrt' );
var Float64Array = require( '@stdlib/array/float64' );
var EPS = require( '@stdlib/constants/float64/eps' );
var abs = require( '@stdlib/math/base/special/abs' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var tryRequire = require( '@stdlib/utils/try-require' );


Expand All @@ -37,35 +36,6 @@ var opts = {
};


// FUNCTIONS //

/**
* Tests for element-wise approximate equality.
*
* @private
* @param {Object} t - test object
* @param {Collection} actual - actual values
* @param {Collection} expected - expected values
* @param {number} rtol - relative tolerance
*/
function isApprox( t, actual, expected, rtol ) {
var delta;
var tol;
var i;

t.strictEqual( actual.length, expected.length, 'returns expected value' );
for ( i = 0; i < expected.length; i++ ) {
if ( actual[ i ] === expected[ i ] ) {
t.strictEqual( actual[ i ], expected[ i ], 'returns expected value' );
} else {
delta = abs( actual[ i ] - expected[ i ] );
tol = rtol * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. actual: '+actual[ i ]+'. expected: '+expected[ i ]+'. delta: '+delta+'. tol: '+tol+'.' );
}
}
}


// TESTS //

tape( 'main export is a function', opts, function test( t ) {
Expand Down Expand Up @@ -112,19 +82,19 @@ tape( 'the function calculates the square root of the residual sum of squares of
y = new Float64Array( [ -1.0e150, -1.0e50, -1.0e150, -1.0e50 ] );

z = drrss( x.length, x, 1, 0, y, 1, 0 );
isApprox( t, z, 2.82842712474619e+150, 1.0 );
t.strictEqual( isAlmostSameValue( z, 2.82842712474619e+150, 0 ), true, 'returns expected value' );

x = new Float64Array( [ 1.0e-155, 1.0e50, 1.0e-155, 1.0e50 ] );
y = new Float64Array( [ -1.0e-155, -1.0e50, -1.0e-155, -1.0e50 ] );

z = drrss( x.length, x, 1, 0, y, 1, 0 );
isApprox( t, z, 2.8284271247461905e+50, 1.0 );
t.strictEqual( isAlmostSameValue( z, 2.8284271247461905e+50, 0 ), true, 'returns expected value' );

x = new Float64Array( [ 1.4e-154, 1.5e-154, 1.4e-154, 0.0 ] );
y = new Float64Array( [ -1.4e-154, -1.5e-154, -1.4e-154, 0.0 ] );

z = drrss( x.length, x, 1, 0, y, 1, 0 );
isApprox( t, z, 4.967896939349689e-154, 1.0 );
t.strictEqual( isAlmostSameValue( z, 4.967896939349689e-154, 0 ), true, 'returns expected value' );

t.end();
});
Expand Down
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