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test: migrate math/base/special/binet to ULP-based testing #11719

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Merged
kgryte merged 4 commits into from
Apr 26, 2026
Merged

test: migrate math/base/special/binet to ULP-based testing #11719

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e8c3a21
ulp-bases testing
MANDEep22332 Apr 22, 2026
f588623
test-file
MANDEep22332 Apr 22, 2026
459d3d9
fixed the error
MANDEep22332 Apr 24, 2026
3747d9f
test: fix description
kgryte Apr 26, 2026
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25 changes: 4 additions & 21 deletions lib/node_modules/@stdlib/math/base/special/binet/test/test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -24,10 +24,9 @@
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var PINF = require( '@stdlib/constants/float64/pinf' );
var NINF = require( '@stdlib/constants/float64/ninf' );
var EPS = require( '@stdlib/constants/float64/eps' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var fibonacci = require( '@stdlib/math/base/special/fibonacci' );
var negaFibonacci = require( '@stdlib/math/base/special/negafibonacci' );
var abs = require( '@stdlib/math/base/special/abs' );
var binet = require( './../lib' );


Expand Down Expand Up @@ -59,40 +58,24 @@

tape( 'for nonnegative integers, the function approximates the nth Fibonacci number', function test( t ) {
var expected;
var delta;
var tol;
var v;
var i;
for ( i = 0; i < 79; i++ ) {
v = binet( i );
expected = fibonacci( i );
if ( v === expected ) {
t.strictEqual( v, expected, 'returns the '+i+'th Fibonacci number' );
} else {
delta = abs( v - expected );
tol = 13.0 * EPS * abs( expected );
t.strictEqual( delta <= tol, true, 'returns approximation. n: '+i+'. expected: '+expected+'. actual: '+v+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( v, expected, 24 ), true, 'returns expected value' );
}
t.end();
});

tape( 'for nonpositive integers, the function approximates the nth negaFibonacci number', function test( t ) {
tape( 'for nonpositive integers, the function approximates the nth negafibonacci number', function test( t ) {

Check warning on line 71 in lib/node_modules/@stdlib/math/base/special/binet/test/test.js

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Unknown word: "negafibonacci"
var expected;
var delta;
var tol;
var v;
var i;
for ( i = 0; i > -79; i-- ) {
v = binet( i );
expected = negaFibonacci( i );
if ( v === expected ) {
t.strictEqual( v, expected, 'returns the '+i+'th negaFibonacci number' );
} else {
delta = abs( v - expected );
tol = 12.0 * EPS * abs( expected );
t.strictEqual( delta <= tol, true, 'returns approximation. n: '+i+'. expected: '+expected+'. actual: '+v+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( v, expected, 24 ), true, 'returns expected value' );
}
t.end();
});