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test: migrate stats/base/dists/exponential/mgf to ULP-based testing #15622

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Merged
kgryte merged 2 commits into from
Sep 28, 2026
Merged

test: migrate stats/base/dists/exponential/mgf to ULP-based testing #15622

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f2d0920
test: migrate exponential mgf tests to ULP assertions
yb175 Sep 28, 2026
3dcef54
Merge branch 'develop' into test/migrate-stats-base-dists-exponential…
yb175 Sep 28, 2026
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33 changes: 4 additions & 29 deletions lib/node_modules/@stdlib/stats/base/dists/exponential/mgf/test/test.factory.js
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Original file line number Diff line number Diff line change
Expand Up @@ -22,10 +22,9 @@

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 NINF = require( '@stdlib/constants/float64/ninf' );
var EPS = require( '@stdlib/constants/float64/eps' );
var factory = require( './../lib/factory.js' );


Expand Down Expand Up @@ -127,9 +126,7 @@ tape( 'the created function returns `NaN` for `x >= lambda`', function test( t )
tape( 'the created function evaluates the mgf for `x` given small `lambda` values', function test( t ) {
var expected;
var lambda;
var delta;
var mgf;
var tol;
var x;
var y;
var i;
Expand All @@ -140,23 +137,15 @@ tape( 'the created function evaluates the mgf for `x` given small `lambda` value
for ( i = 0; i < x.length; i++ ) {
mgf = factory( lambda[i] );
y = mgf( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. expected: '+expected[i] );
} else {
delta = abs( y - expected[i] );
tol = 100.0 * EPS * abs( expected[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 49 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the created function evaluates the mgf for `x` given medium `lambda` values', function test( t ) {
var expected;
var lambda;
var delta;
var mgf;
var tol;
var x;
var y;
var i;
Expand All @@ -167,23 +156,15 @@ tape( 'the created function evaluates the mgf for `x` given medium `lambda` valu
for ( i = 0; i < x.length; i++ ) {
mgf = factory( lambda[i] );
y = mgf( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i] );
} else {
delta = abs( y - expected[i] );
tol = 250.0 * EPS * abs( expected[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 362 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the created function evaluates the mgf for `x` given large `lambda` values', function test( t ) {
var expected;
var lambda;
var delta;
var mgf;
var tol;
var x;
var y;
var i;
Expand All @@ -194,13 +175,7 @@ tape( 'the created function evaluates the mgf for `x` given large `lambda` value
for ( i = 0; i < x.length; i++ ) {
mgf = factory( lambda[i] );
y = mgf( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i] );
} else {
delta = abs( y - expected[i] );
tol = 250.0 * EPS * abs( expected[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 212 ), true, 'returns expected value' );
}
t.end();
});
33 changes: 4 additions & 29 deletions lib/node_modules/@stdlib/stats/base/dists/exponential/mgf/test/test.mgf.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -22,10 +22,9 @@

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 NINF = require( '@stdlib/constants/float64/ninf' );
var EPS = require( '@stdlib/constants/float64/eps' );
var mgf = require( './../lib' );


Expand Down Expand Up @@ -106,8 +105,6 @@ tape( 'the function returns `NaN` for `x >= lambda`', function test( t ) {
tape( 'the function evaluates the mgf for `x` given small `lambda` values', function test( t ) {
var expected;
var lambda;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -117,22 +114,14 @@ tape( 'the function evaluates the mgf for `x` given small `lambda` values', func
lambda = small.lambda;
for ( i = 0; i < x.length; i++ ) {
y = mgf( x[i], lambda[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i] );
} else {
delta = abs( y - expected[i] );
tol = 100.0 * EPS * abs( expected[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 49 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the mgf for `x` given medium `lambda` values', function test( t ) {
var expected;
var lambda;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -142,22 +131,14 @@ tape( 'the function evaluates the mgf for `x` given medium `lambda` values', fun
lambda = medium.lambda;
for ( i = 0; i < x.length; i++ ) {
y = mgf( x[i], lambda[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i] );
} else {
delta = abs( y - expected[i] );
tol = 250.0 * EPS * abs( expected[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 362 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the mgf for `x` given large `lambda` values', function test( t ) {
var expected;
var lambda;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -167,13 +148,7 @@ tape( 'the function evaluates the mgf for `x` given large `lambda` values', func
lambda = large.lambda;
for ( i = 0; i < x.length; i++ ) {
y = mgf( x[i], lambda[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i] );
} else {
delta = abs( y - expected[i] );
tol = 250.0 * EPS * abs( expected[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 212 ), true, 'returns expected value' );
}
t.end();
});
33 changes: 4 additions & 29 deletions lib/node_modules/@stdlib/stats/base/dists/exponential/mgf/test/test.native.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -24,10 +24,9 @@ var resolve = require( 'path' ).resolve;
var tape = require( 'tape' );
var tryRequire = require( '@stdlib/utils/try-require' );
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 NINF = require( '@stdlib/constants/float64/ninf' );
var EPS = require( '@stdlib/constants/float64/eps' );


// FIXTURES //
Expand Down Expand Up @@ -115,8 +114,6 @@ tape( 'the function returns `NaN` for `x >= lambda`', opts, function test( t ) {
tape( 'the function evaluates the mgf for `x` given small `lambda` values', opts, function test( t ) {
var expected;
var lambda;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -126,22 +123,14 @@ tape( 'the function evaluates the mgf for `x` given small `lambda` values', opts
lambda = small.lambda;
for ( i = 0; i < x.length; i++ ) {
y = mgf( x[i], lambda[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i] );
} else {
delta = abs( y - expected[i] );
tol = 100.0 * EPS * abs( expected[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 49 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the mgf for `x` given medium `lambda` values', opts, function test( t ) {
var expected;
var lambda;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -151,22 +140,14 @@ tape( 'the function evaluates the mgf for `x` given medium `lambda` values', opt
lambda = medium.lambda;
for ( i = 0; i < x.length; i++ ) {
y = mgf( x[i], lambda[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i] );
} else {
delta = abs( y - expected[i] );
tol = 250.0 * EPS * abs( expected[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 362 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the mgf for `x` given large `lambda` values', opts, function test( t ) {
var expected;
var lambda;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -176,13 +157,7 @@ tape( 'the function evaluates the mgf for `x` given large `lambda` values', opts
lambda = large.lambda;
for ( i = 0; i < x.length; i++ ) {
y = mgf( x[i], lambda[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i] );
} else {
delta = abs( y - expected[i] );
tol = 250.0 * EPS * abs( expected[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 212 ), true, 'returns expected value' );
}
t.end();
});
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