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test: migrate stats/strided/sstdevwd to ULP-based assertions #15302

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Merged
kgryte merged 1 commit into from
Sep 18, 2026
Merged

test: migrate stats/strided/sstdevwd to ULP-based assertions #15302

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9 changes: 2 additions & 7 deletions lib/node_modules/@stdlib/stats/strided/sstdevwd/test/test.ndarray.js
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Original file line number Diff line number Diff line change
Expand Up @@ -22,11 +22,10 @@

var tape = require( 'tape' );
var sqrt = require( '@stdlib/math/base/special/sqrt' );
var abs = require( '@stdlib/math/base/special/abs' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
var EPS = require( '@stdlib/constants/float32/eps' );
var Float32Array = require( '@stdlib/array/float32' );
var isAlmostSameValuef = require( '@stdlib/number/float32/base/assert/is-almost-same-value' );
var sstdevwd = require( './../lib/ndarray.js' );


Expand All @@ -45,18 +44,14 @@ tape( 'the function has an arity of 5', function test( t ) {

tape( 'the function calculates the population standard deviation of a strided array', function test( t ) {
var expected;
var delta;
var tol;
var x;
var v;

x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 0.0, 3.0 ] );
v = sstdevwd( x.length, 0, x, 1, 0 );

expected = float64ToFloat32( sqrt( 53.5/x.length ) );
delta = abs( v - expected );
tol = 1.0 * EPS * abs( expected );
t.strictEqual( delta <= tol, true, 'within tolerance. Actual: '+v+'. E: '+expected+'. tol: '+tol+'. 螖: '+delta+'.' );
t.strictEqual( isAlmostSameValuef( v, expected, 1 ), true, 'returns expected value' );

x = new Float32Array( [ -4.0, -4.0 ] );
v = sstdevwd( x.length, 0, x, 1, 0 );
Expand Down
9 changes: 2 additions & 7 deletions lib/node_modules/@stdlib/stats/strided/sstdevwd/test/test.ndarray.native.js
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Original file line number Diff line number Diff line change
Expand Up @@ -23,11 +23,10 @@
var resolve = require( 'path' ).resolve;
var tape = require( 'tape' );
var sqrt = require( '@stdlib/math/base/special/sqrt' );
var abs = require( '@stdlib/math/base/special/abs' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
var EPS = require( '@stdlib/constants/float32/eps' );
var Float32Array = require( '@stdlib/array/float32' );
var isAlmostSameValuef = require( '@stdlib/number/float32/base/assert/is-almost-same-value' );
var tryRequire = require( '@stdlib/utils/try-require' );


Expand All @@ -54,18 +53,14 @@ tape( 'the function has an arity of 5', opts, function test( t ) {

tape( 'the function calculates the population standard deviation of a strided array', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var v;

x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 0.0, 3.0 ] );
v = sstdevwd( x.length, 0, x, 1, 0 );

expected = float64ToFloat32( sqrt( 53.5/x.length ) );
delta = abs( v - expected );
tol = 1.0 * EPS * abs( expected );
t.strictEqual( delta <= tol, true, 'within tolerance. Actual: '+v+'. E: '+expected+'. tol: '+tol+'. 螖: '+delta+'.' );
t.strictEqual( isAlmostSameValuef( v, expected, 1 ), true, 'returns expected value' );

x = new Float32Array( [ -4.0, -4.0 ] );
v = sstdevwd( x.length, 0, x, 1, 0 );
Expand Down
9 changes: 2 additions & 7 deletions lib/node_modules/@stdlib/stats/strided/sstdevwd/test/test.sstdevwd.js
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Original file line number Diff line number Diff line change
Expand Up @@ -22,11 +22,10 @@

var tape = require( 'tape' );
var sqrt = require( '@stdlib/math/base/special/sqrt' );
var abs = require( '@stdlib/math/base/special/abs' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
var EPS = require( '@stdlib/constants/float32/eps' );
var Float32Array = require( '@stdlib/array/float32' );
var isAlmostSameValuef = require( '@stdlib/number/float32/base/assert/is-almost-same-value' );
var sstdevwd = require( './../lib/sstdevwd.js' );


Expand All @@ -45,18 +44,14 @@ tape( 'the function has an arity of 4', function test( t ) {

tape( 'the function calculates the population standard deviation of a strided array', function test( t ) {
var expected;
var delta;
var tol;
var x;
var v;

x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 0.0, 3.0 ] );
v = sstdevwd( x.length, 0, x, 1 );

expected = float64ToFloat32( sqrt( 53.5/x.length ) );
delta = abs( v - expected );
tol = 1.0 * EPS * abs( expected );
t.strictEqual( delta <= tol, true, 'within tolerance. Actual: '+v+'. E: '+expected+'. tol: '+tol+'. 螖: '+delta+'.' );
t.strictEqual( isAlmostSameValuef( v, expected, 1 ), true, 'returns expected value' );

x = new Float32Array( [ -4.0, -4.0 ] );
v = sstdevwd( x.length, 0, x, 1 );
Expand Down
9 changes: 2 additions & 7 deletions lib/node_modules/@stdlib/stats/strided/sstdevwd/test/test.sstdevwd.native.js
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Original file line number Diff line number Diff line change
Expand Up @@ -23,11 +23,10 @@
var resolve = require( 'path' ).resolve;
var tape = require( 'tape' );
var sqrt = require( '@stdlib/math/base/special/sqrt' );
var abs = require( '@stdlib/math/base/special/abs' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
var EPS = require( '@stdlib/constants/float32/eps' );
var Float32Array = require( '@stdlib/array/float32' );
var isAlmostSameValuef = require( '@stdlib/number/float32/base/assert/is-almost-same-value' );
var tryRequire = require( '@stdlib/utils/try-require' );


Expand All @@ -54,18 +53,14 @@ tape( 'the function has an arity of 4', opts, function test( t ) {

tape( 'the function calculates the population standard deviation of a strided array', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var v;

x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 0.0, 3.0 ] );
v = sstdevwd( x.length, 0, x, 1 );

expected = float64ToFloat32( sqrt( 53.5/x.length ) );
delta = abs( v - expected );
tol = 1.0 * EPS * abs( expected );
t.strictEqual( delta <= tol, true, 'within tolerance. Actual: '+v+'. E: '+expected+'. tol: '+tol+'. 螖: '+delta+'.' );
t.strictEqual( isAlmostSameValuef( v, expected, 1 ), true, 'returns expected value' );

x = new Float32Array( [ -4.0, -4.0 ] );
v = sstdevwd( x.length, 0, x, 1 );
Expand Down
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