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test: migrate stats/incr/mskewness to ULP-based assertions #15101

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test: migrate stats/incr/mskewness to ULP-based assertions #15101

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11 changes: 4 additions & 7 deletions lib/node_modules/@stdlib/stats/incr/mskewness/test/test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,8 +21,7 @@
// MODULES //

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

Expand Down Expand Up @@ -74,10 +73,9 @@ tape( 'the function returns an accumulator function', function test( t ) {
tape( 'the accumulator function computes a moving corrected sample skewness incrementally', function test( t ) {
var expected;
var actual;
var delta;
var data;
var ULP;
var acc;
var tol;
var i;
var N;

Expand All @@ -94,15 +92,14 @@ tape( 'the accumulator function computes a moving corrected sample skewness incr
];

acc = incrmskewness( 5 );
ULP = 1;

for ( i = 0; i < N; i++ ) {
actual = acc( data[ i ] );
if ( expected[ i ] === null ) {
t.strictEqual( actual, expected[i], 'returns expected value for index '+i );
} else {
delta = abs( actual - expected[ i ] );
tol = 1.5 * EPS * abs( expected[ i ] );
t.strictEqual( delta <= tol, true, 'within tolerance. Actual: '+actual+'. Expected: '+expected[i]+'. Delta: '+delta+'. Tol: '+tol+'.' );
t.strictEqual( isAlmostSameValue( actual, expected[ i ], ULP ), true, 'returns expected value' );
}
}

Expand Down