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test: migrate stats/base/dists/t/cdf to ULP-based assertions #15135

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43 changes: 5 additions & 38 deletions lib/node_modules/@stdlib/stats/base/dists/t/cdf/test/test.cdf.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 cdf = require( './../lib' );


Expand Down Expand Up @@ -85,8 +84,6 @@ tape( 'if provided a nonpositive `v`, the function always returns `NaN`', functi

tape( 'the function evaluates the cdf for `x` given parameter `v` (when `x` and `v` are small)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var v;
var y;
Expand All @@ -97,21 +94,13 @@ tape( 'the function evaluates the cdf for `x` given parameter `v` (when `x` and
v = smallSmall.v;
for ( i = 0; i < x.length; i++ ) {
y = cdf( x[i], v[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+'. v: '+v[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = 10.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. v: '+v[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[i], 13 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the cdf for `x` given parameter `v` (when `x` is large and `v` small)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var v;
var y;
Expand All @@ -122,21 +111,13 @@ tape( 'the function evaluates the cdf for `x` given parameter `v` (when `x` is l
v = largeSmall.v;
for ( i = 0; i < x.length; i++ ) {
y = cdf( x[i], v[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+'. v: '+v[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = 10.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. v: '+v[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[i], 11 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the cdf for `x` given parameter `v` (when `x` is small and `v` large)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var v;
var y;
Expand All @@ -147,21 +128,13 @@ tape( 'the function evaluates the cdf for `x` given parameter `v` (when `x` is s
v = smallLarge.v;
for ( i = 0; i < x.length; i++ ) {
y = cdf( x[i], v[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+'. v: '+v[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = 10.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. v: '+v[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[i], 15 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the cdf for `x` given parameter `v` (when `x` and `v` are large)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var v;
var y;
Expand All @@ -172,13 +145,7 @@ tape( 'the function evaluates the cdf for `x` given parameter `v` (when `x` and
v = largeLarge.v;
for ( i = 0; i < x.length; i++ ) {
y = cdf( x[i], v[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+'. v: '+v[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = 20.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. v: '+v[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[i], 32 ), true, 'returns expected value' );
}
t.end();
});
43 changes: 5 additions & 38 deletions lib/node_modules/@stdlib/stats/base/dists/t/cdf/test/test.factory.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 factory = require( './../lib/factory.js' );


Expand Down Expand Up @@ -129,9 +128,7 @@ tape( 'if provided a nonpositive `v`, the created function always returns `NaN`'

tape( 'the created function evaluates the cdf for `x` given parameter `v` (when `x` and `v` are small)', function test( t ) {
var expected;
var delta;
var cdf;
var tol;
var i;
var v;
var x;
Expand All @@ -143,22 +140,14 @@ tape( 'the created function evaluates the cdf for `x` given parameter `v` (when
for ( i = 0; i < x.length; i++ ) {
cdf = factory( v[i] );
y = cdf( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+'. v: '+v[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = 10.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. v: '+v[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[i], 13 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the cdf for `x` given parameter `v` (when `x` is large and `v` small)', function test( t ) {
var expected;
var delta;
var cdf;
var tol;
var i;
var v;
var x;
Expand All @@ -170,22 +159,14 @@ tape( 'the function evaluates the cdf for `x` given parameter `v` (when `x` is l
for ( i = 0; i < x.length; i++ ) {
cdf = factory( v[i] );
y = cdf( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+'. v: '+v[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = 10.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. v: '+v[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[i], 11 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the cdf for `x` given parameter `v` (when `x` is small and `v` large)', function test( t ) {
var expected;
var delta;
var cdf;
var tol;
var i;
var v;
var x;
Expand All @@ -197,22 +178,14 @@ tape( 'the function evaluates the cdf for `x` given parameter `v` (when `x` is s
for ( i = 0; i < x.length; i++ ) {
cdf = factory( v[i] );
y = cdf( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+'. v: '+v[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = 10.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. v: '+v[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[i], 15 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the cdf for `x` given parameter `v` (when `x` and `v` are large)', function test( t ) {
var expected;
var delta;
var cdf;
var tol;
var i;
var v;
var x;
Expand All @@ -224,13 +197,7 @@ tape( 'the function evaluates the cdf for `x` given parameter `v` (when `x` and
for ( i = 0; i < x.length; i++ ) {
cdf = factory( v[i] );
y = cdf( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+'. v: '+v[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = 20.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. v: '+v[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[i], 32 ), true, 'returns expected value' );
}
t.end();
});