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test: migrate math/base/special/log1mexp to ULP-based testing #13935

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test: migrate math/base/special/log1mexp to ULP-based testing #13935

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8 changes: 2 additions & 6 deletions lib/node_modules/@stdlib/math/base/special/log1mexp/test/test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,10 +21,10 @@
// MODULES //

var tape = require( 'tape' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var NINF = require( '@stdlib/constants/float64/ninf' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var uniform = require( '@stdlib/random/base/uniform' );
var abs = require( '@stdlib/math/base/special/abs' );
var exp = require( '@stdlib/math/base/special/exp' );
var expm1 = require( '@stdlib/math/base/special/expm1' );
var EPS = require( '@stdlib/constants/float64/eps' );
Expand Down Expand Up @@ -107,18 +107,14 @@ tape( 'the function computes the natural logarithm of `1-exp(-|x|)` (`x > ln(2)`

tape( 'the function accurately computes the natural logarithm of `1-exp(-|x|)`', function test( t ) {
var actual;
var delta;
var tol;
var i;

for ( i = 0; i < data.length; i++ ) {
actual = log1mexp( data[ i ] );
if ( actual === expected[ i ] ) {
t.strictEqual( actual, expected[ i ], 'returns '+expected[ i ]+' when provided '+data[ i ] );
} else {
delta = abs( actual - expected[ i ] );
tol = 100.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+data[ i ]+'. actual: '+actual+'. expected: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
t.strictEqual( isAlmostSameValue( actual, expected[ i ], 2 ), true, 'returns expected value' );
}
}
t.end();
Expand Down
20 changes: 4 additions & 16 deletions lib/node_modules/@stdlib/math/base/special/log1mexp/test/test.native.js
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Original file line number Diff line number Diff line change
Expand Up @@ -22,11 +22,11 @@

var resolve = require( 'path' ).resolve;
var tape = require( 'tape' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var NINF = require( '@stdlib/constants/float64/ninf' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var uniform = require( '@stdlib/random/base/uniform' );
var tryRequire = require( '@stdlib/utils/try-require' );
var abs = require( '@stdlib/math/base/special/abs' );
var exp = require( '@stdlib/math/base/special/exp' );
var expm1 = require( '@stdlib/math/base/special/expm1' );
var EPS = require( '@stdlib/constants/float64/eps' );
Expand Down Expand Up @@ -76,9 +76,7 @@ tape( 'if provided `+-0`, the function returns -infinity', opts, function test(
});

tape( 'the function computes the natural logarithm of `1-exp(-|x|)` (`0 < |x| <= ln(2)`)', opts, function test( t ) {
var delta;
var rand;
var tol;
var x;
var y;
var v;
Expand All @@ -94,18 +92,14 @@ tape( 'the function computes the natural logarithm of `1-exp(-|x|)` (`0 < |x| <=
if ( x === y ) {
t.strictEqual( x, y, 'returns '+y+' when provided '+v );
} else {
delta = abs( x - y );
tol = 1.0 * EPS * abs( y );
t.ok( delta <= tol, 'within tolerance. v: '+v+'. actual: '+x+'. expected: '+y+'. Δ: '+delta+'. tol: '+tol+'.' );
t.strictEqual( isAlmostSameValue( x, y, 2 ), true, 'returns expected value' );
}
}
t.end();
});

tape( 'the function computes the natural logarithm of `1-exp(-|x|)` (`x > ln(2)`)', opts, function test( t ) {
var delta;
var rand;
var tol;
var x;
var y;
var v;
Expand All @@ -122,28 +116,22 @@ tape( 'the function computes the natural logarithm of `1-exp(-|x|)` (`x > ln(2)`
if ( x === y ) {
t.strictEqual( x, y, 'returns '+y+' when provided '+v );
} else {
delta = abs( x - y );
tol = 1.0 * EPS * abs( y );
t.ok( delta <= tol, 'within tolerance. v: '+v+'. actual: '+x+'. expected: '+y+'. Δ: '+delta+'. tol: '+tol+'.' );
t.strictEqual( isAlmostSameValue( x, y, 2 ), true, 'returns expected value' );
}
}
t.end();
});

tape( 'the function accurately computes the natural logarithm of `1-exp(-|x|)`', opts, function test( t ) {
var actual;
var delta;
var tol;
var i;

for ( i = 0; i < data.length; i++ ) {
actual = log1mexp( data[ i ] );
if ( actual === expected[ i ] ) {
t.strictEqual( actual, expected[ i ], 'returns '+expected[ i ]+' when provided '+data[ i ] );
} else {
delta = abs( actual - expected[ i ] );
tol = 100.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+data[ i ]+'. actual: '+actual+'. expected: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
t.strictEqual( isAlmostSameValue( actual, expected[ i ], 2 ), true, 'returns expected value' );
}
}
t.end();
Expand Down
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