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test: migrate stats/incr/covariance to ULP-based assertions #16055

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Merged
kgryte merged 1 commit into from
Oct 11, 2026
Merged

test: migrate stats/incr/covariance to ULP-based assertions #16055

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15 changes: 3 additions & 12 deletions lib/node_modules/@stdlib/stats/incr/covariance/test/test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,9 +21,8 @@
// MODULES //

var tape = require( 'tape' );
var abs = require( '@stdlib/math/base/special/abs' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var EPS = require( '@stdlib/constants/float64/eps' );
var incrcovariance = require( './../lib' );


Expand Down Expand Up @@ -100,8 +99,6 @@ tape( 'the function returns an accumulator function (known means)', function tes
tape( 'the accumulator function incrementally computes an unbiased sample covariance', function test( t ) {
var expected;
var actual;
var delta;
var tol;
var acc;
var x;
var y;
Expand All @@ -127,9 +124,7 @@ tape( 'the accumulator function incrementally computes an unbiased sample covari
if ( actual === expected[ i ] ) {
t.strictEqual( actual, expected[ i ], 'returns expected result. x: '+x[i]+'. y: '+y[i]+'.' );
} else {
delta = abs( expected[ i ] - actual );
tol = 3.7 * EPS * abs( expected[ i ] );
t.strictEqual( delta <= tol, true, 'x: '+x[i]+'. y: '+y[i]+'. expected: '+expected[i]+'. actual: '+actual+'. tol: '+tol+'. delta: '+delta+'.' );
t.strictEqual( isAlmostSameValue( actual, expected[ i ], 4 ), true, 'returns expected value' );
}
}
t.end();
Expand All @@ -138,8 +133,6 @@ tape( 'the accumulator function incrementally computes an unbiased sample covari
tape( 'the accumulator function incrementally computes an unbiased sample covariance (known means)', function test( t ) {
var expected;
var actual;
var delta;
var tol;
var acc;
var x;
var y;
Expand All @@ -165,9 +158,7 @@ tape( 'the accumulator function incrementally computes an unbiased sample covari
if ( actual === expected[ i ] ) {
t.strictEqual( actual, expected[ i ], 'returns expected result. x: '+x[i]+'. y: '+y[i]+'.' );
} else {
delta = abs( expected[ i ] - actual );
tol = EPS * abs( expected[ i ] );
t.strictEqual( delta <= tol, true, 'x: '+x[i]+'. y: '+y[i]+'. expected: '+expected[i]+'. actual: '+actual+'. tol: '+tol+'. delta: '+delta+'.' );
t.strictEqual( isAlmostSameValue( actual, expected[ i ], 0 ), true, 'returns expected value' );
}
}
t.end();
Expand Down
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