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test: migrate stats/incr/nangmean to ULP-based assertions #15992

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

test: migrate stats/incr/nangmean to ULP-based assertions #15992

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20 changes: 3 additions & 17 deletions lib/node_modules/@stdlib/stats/incr/nangmean/test/test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,12 +21,11 @@
// MODULES //

var tape = require( 'tape' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var ln = require( '@stdlib/math/base/special/ln' );
var exp = require( '@stdlib/math/base/special/exp' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var pow = require( '@stdlib/math/base/special/pow' );
var abs = require( '@stdlib/math/base/special/abs' );
var EPSILON = require( '@stdlib/constants/float64/eps' );
var PINF = require( '@stdlib/constants/float64/pinf' );
var incrnangmean = require( './../lib' );

Expand All @@ -47,10 +46,8 @@ tape( 'the function returns an accumulator function', function test( t ) {
tape( 'the accumulator function incrementally computes a geometric mean', function test( t ) {
var expected;
var actual;
var delta;
var data;
var prod;
var tol;
var acc;
var N;
var d;
Expand All @@ -72,23 +69,15 @@ tape( 'the accumulator function incrementally computes a geometric mean', functi
j += 1;
}
actual = acc( d );
if ( actual === expected ) {
t.strictEqual( actual, expected, 'returns expected value. d: '+d+'.' );
} else {
delta = abs( expected - actual );
tol = 1.5 * EPSILON * abs( expected );
t.strictEqual( delta <= tol, true, 'within tolerance. d: '+d+'. Expected: '+expected+'. Actual: '+actual+'. Delta: '+delta+'. Tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( actual, expected, 2 ), true, 'returns expected value' );
}
t.end();
});

tape( 'if not provided an input value, the accumulator function returns the current geometric mean', function test( t ) {
var expected;
var delta;
var data;
var acc;
var tol;
var i;

data = [ 2.0, NaN, 3.0, 1.0 ];
Expand All @@ -98,10 +87,7 @@ tape( 'if not provided an input value, the accumulator function returns the curr
acc( data[ i ] );
}
expected = 1.8171205928321397;
delta = abs( expected - acc() );
tol = EPSILON * abs( expected );

t.strictEqual( delta <= tol, true, 'within tolerance. Expected: '+expected+'. Actual: '+acc()+'. Delta: '+delta+'. Tol: '+tol+'.' );
t.strictEqual( isAlmostSameValue( acc(), expected, 1 ), true, 'returns expected value' );
t.end();
});

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