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test: migrate math/base/special/sqrt1pm1 to ULP-based testing #13693

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Merged
kgryte merged 1 commit into from
Jul 27, 2026
+6 −24
Merged

test: migrate math/base/special/sqrt1pm1 to ULP-based testing #13693

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15 changes: 3 additions & 12 deletions lib/node_modules/@stdlib/math/base/special/sqrt1pm1/test/test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -22,9 +22,8 @@

var tape = require( 'tape' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var abs = require( '@stdlib/math/base/special/abs' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var PINF = require( '@stdlib/constants/float64/pinf' );
var EPS = require( '@stdlib/constants/float64/eps' );
var sqrt1pm1 = require( './../lib' );


Expand Down Expand Up @@ -78,8 +77,6 @@ tape( 'the function returns `NaN` if provided a `x < -1`', function test( t ) {

tape( 'the function handles large `x` values (|x| > 0.75)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var v;
var i;
Expand All @@ -89,17 +86,13 @@ tape( 'the function handles large `x` values (|x| > 0.75)', function test( t ) {

for ( i = 0; i < x.length; i++ ) {
v = sqrt1pm1( x[ i ] );
delta = abs( v - expected[ i ] );
tol = 1.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + v + '. E: ' + expected[ i ] + '. Δ: ' + delta + '. tol: ' + tol + '.' );
t.strictEqual( isAlmostSameValue( v, expected[ i ], 1 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function handles small `x` values (|x| <= 0.75)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var v;
var i;
Expand All @@ -109,9 +102,7 @@ tape( 'the function handles small `x` values (|x| <= 0.75)', function test( t )

for ( i = 0; i < x.length; i++ ) {
v = sqrt1pm1( x[ i ] );
delta = abs( v - expected[ i ] );
tol = 390.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + v + '. E: ' + expected[ i ] + '. Δ: ' + delta + '. tol: ' + tol + '.' );
t.strictEqual( isAlmostSameValue( v, expected[ i ], 1 ), true, 'returns expected value' );
}
t.end();
});
15 changes: 3 additions & 12 deletions lib/node_modules/@stdlib/math/base/special/sqrt1pm1/test/test.native.js
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Original file line number Diff line number Diff line change
Expand Up @@ -23,10 +23,9 @@
var resolve = require( 'path' ).resolve;
var tape = require( 'tape' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var abs = require( '@stdlib/math/base/special/abs' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var PINF = require( '@stdlib/constants/float64/pinf' );
var tryRequire = require( '@stdlib/utils/try-require' );
var EPS = require( '@stdlib/constants/float64/eps' );


// FIXTURES //
Expand Down Expand Up @@ -87,8 +86,6 @@ tape( 'the function returns `NaN` if provided a `x < -1`', opts, function test(

tape( 'the function handles large `x` values (|x| > 0.75)', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var v;
var i;
Expand All @@ -98,17 +95,13 @@ tape( 'the function handles large `x` values (|x| > 0.75)', opts, function test(

for ( i = 0; i < x.length; i++ ) {
v = sqrt1pm1( x[ i ] );
delta = abs( v - expected[ i ] );
tol = 1.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + v + '. E: ' + expected[ i ] + '. Δ: ' + delta + '. tol: ' + tol + '.' );
t.strictEqual( isAlmostSameValue( v, expected[ i ], 1 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function handles small `x` values (|x| <= 0.75)', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var v;
var i;
Expand All @@ -118,9 +111,7 @@ tape( 'the function handles small `x` values (|x| <= 0.75)', opts, function test

for ( i = 0; i < x.length; i++ ) {
v = sqrt1pm1( x[ i ] );
delta = abs( v - expected[ i ] );
tol = 390.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + v + '. E: ' + expected[ i ] + '. Δ: ' + delta + '. tol: ' + tol + '.' );
t.strictEqual( isAlmostSameValue( v, expected[ i ], 1 ), true, 'returns expected value' );
}
t.end();
});