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bench: update random value generation #7009

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Merged
merged 1 commit into from
May 16, 2025
Merged

bench: update random value generation #7009

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35 changes: 16 additions & 19 deletions lib/node_modules/@stdlib/stats/base/dists/chi/cdf/benchmark/benchmark.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,9 +21,8 @@
// MODULES //

var bench = require( '@stdlib/bench' );
var Float64Array = require( '@stdlib/array/float64' );
var uniform = require( '@stdlib/random/base/uniform' );
var discreteUniform = require( '@stdlib/random/base/discrete-uniform' );
var uniform = require( '@stdlib/random/array/uniform' );
var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var pkg = require( './../package.json' ).name;
var cdf = require( './../lib' );
Expand All @@ -32,23 +31,21 @@ var cdf = require( './../lib' );
// MAIN //

bench( pkg, function benchmark( b ) {
var len;
var opts;
var k;
var x;
var y;
var i;

len = 100;
x = new Float64Array( len );
k = new Float64Array( len );
for ( i = 0; i < len; i++ ) {
x[ i ] = uniform( 0.0, 100.0 );
k[ i ] = discreteUniform( 1, 100 );
}
opts = {
'dtype': 'float64'
};
x = uniform( 100, 0.0, 100.0, opts );
k = discreteUniform( 100, 1, 100, opts );

b.tic();
for ( i = 0; i < b.iterations; i++ ) {
y = cdf( x[ i % len ], k[ i % len ] );
y = cdf( x[ i % x.length ], k[ i % k.length ] );
if ( isnan( y ) ) {
b.fail( 'should not return NaN' );
}
Expand All @@ -63,23 +60,23 @@ bench( pkg, function benchmark( b ) {

bench( pkg+':factory', function benchmark( b ) {
var mycdf;
var len;
var opts;
var k;
var x;
var y;
var i;

opts = {
'dtype': 'float64'
};
x = uniform( 100, 0.0, 100.0, opts );

k = 10.0;
mycdf = cdf.factory( k );
len = 100;
x = new Float64Array( len );
for ( i = 0; i < len; i++ ) {
x[ i ] = uniform( 0.0, 100.0 );
}

b.tic();
for ( i = 0; i < b.iterations; i++ ) {
y = mycdf( x[ i % len ] );
y = mycdf( x[ i % x.length ] );
if ( isnan( y ) ) {
b.fail( 'should not return NaN' );
}
Expand Down
26 changes: 13 additions & 13 deletions lib/node_modules/@stdlib/stats/base/dists/chi/cdf/test/test.cdf.js
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Expand Up @@ -44,35 +44,35 @@ tape( 'main export is a function', function test( t ) {

tape( 'if provided `NaN` for any parameter, the function returns `NaN`', function test( t ) {
var y = cdf( NaN, 1.0 );
t.equal( isnan( y ), true, 'returns NaN' );
t.equal( isnan( y ), true, 'returns expected value' );
y = cdf( 0.0, NaN );
t.equal( isnan( y ), true, 'returns NaN' );
t.equal( isnan( y ), true, 'returns expected value' );
t.end();
});

tape( 'if provided `+infinity` for `x` and a finite `k`, the function returns `1`', function test( t ) {
var y = cdf( PINF, 1.0 );
t.equal( y, 1.0, 'returns 1' );
t.equal( y, 1.0, 'returns expected value' );
t.end();
});

tape( 'if provided `-infinity` for `x` and a finite `k`, the function returns `0`', function test( t ) {
var y = cdf( NINF, 1.0 );
t.equal( y, 0.0, 'returns 0' );
t.equal( y, 0.0, 'returns expected value' );
t.end();
});

tape( 'if provided a negative `k`, the function always returns `NaN`', function test( t ) {
var y;

y = cdf( 2.0, -1.0 );
t.equal( isnan( y ), true, 'returns NaN' );
t.equal( isnan( y ), true, 'returns expected value' );

y = cdf( 0.0, -1.0 );
t.equal( isnan( y ), true, 'returns NaN' );
t.equal( isnan( y ), true, 'returns expected value' );

y = cdf( 2.0, NINF );
t.equal( isnan( y ), true, 'returns NaN' );
t.equal( isnan( y ), true, 'returns expected value' );

t.end();
});
Expand All @@ -81,22 +81,22 @@ tape( 'if provided a `k` equal to `0`, the function evaluates a degenerate distr
var y;

y = cdf( PINF, 0.0 );
t.equal( y, 1.0, 'returns 1 for x greater than 0' );
t.equal( y, 1.0, 'returns expected value' );

y = cdf( 2.5, 0.0 );
t.equal( y, 1.0, 'returns 1 for x greater than 0' );
t.equal( y, 1.0, 'returns expected value' );

y = cdf( 0.0, 0.0 );
t.equal( y, 1.0, 'returns 1 for x equal to 0' );
t.equal( y, 1.0, 'returns expected value' );

y = cdf( -2.0, 0.0 );
t.equal( y, 0.0, 'returns 0 for x smaller than 0' );
t.equal( y, 0.0, 'returns expected value' );

y = cdf( NINF, 0.0 );
t.equal( y, 0.0, 'returns 0 for x smaller than 0' );
t.equal( y, 0.0, 'returns expected value' );

y = cdf( NaN, 0.0 );
t.equal( isnan( y ), true, 'returns NaN' );
t.equal( isnan( y ), true, 'returns expected value' );

t.end();
});
Expand Down
24 changes: 12 additions & 12 deletions lib/node_modules/@stdlib/stats/base/dists/chi/cdf/test/test.factory.js
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Original file line number Diff line number Diff line change
Expand Up @@ -54,11 +54,11 @@ tape( 'if provided `NaN` for any parameter, the created function returns `NaN`',

cdf = factory( 1.0 );
y = cdf( NaN );
t.equal( isnan( y ), true, 'returns NaN' );
t.equal( isnan( y ), true, 'returns expected value' );

cdf = factory( NaN );
y = cdf( 0.0 );
t.equal( isnan( y ), true, 'returns NaN' );
t.equal( isnan( y ), true, 'returns expected value' );

t.end();
});
Expand All @@ -69,7 +69,7 @@ tape( 'if provided a finite `k`, the function returns a function which returns `

cdf = factory( 1.0 );
y = cdf( PINF );
t.equal( y, 1.0, 'returns 1' );
t.equal( y, 1.0, 'returns expected value' );

t.end();
});
Expand All @@ -80,7 +80,7 @@ tape( 'if provided a finite `k`, the function returns a function which returns `

cdf = factory( 0.0, 1.0 );
y = cdf( NINF );
t.equal( y, 0.0, 'returns 0' );
t.equal( y, 0.0, 'returns expected value' );

t.end();
});
Expand All @@ -92,10 +92,10 @@ tape( 'if provided a negative `k`, the created function always returns `NaN`', f
cdf = factory( -1.0 );

y = cdf( 2.0 );
t.equal( isnan( y ), true, 'returns NaN' );
t.equal( isnan( y ), true, 'returns expected value' );

y = cdf( 0.0 );
t.equal( isnan( y ), true, 'returns NaN' );
t.equal( isnan( y ), true, 'returns expected value' );

t.end();
});
Expand All @@ -107,22 +107,22 @@ tape( 'if `k` equals `0`, the created function evaluates a degenerate distributi
cdf = factory( 0.0 );

y = cdf( PINF );
t.equal( y, 1.0, 'returns 1 for x greater than one' );
t.equal( y, 1.0, 'returns expected value' );

y = cdf( 3.0 );
t.equal( y, 1.0, 'returns 1 for x greater than 0' );
t.equal( y, 1.0, 'returns expected value' );

y = cdf( 0.0 );
t.equal( y, 1.0, 'returns 1 for x equal to 0' );
t.equal( y, 1.0, 'returns expected value' );

y = cdf( -0.5 );
t.equal( y, 0.0, 'returns 0 for x smaller than one' );
t.equal( y, 0.0, 'returns expected value' );

y = cdf( NINF );
t.equal( y, 0.0, 'returns 0 for x smaller than one' );
t.equal( y, 0.0, 'returns expected value' );

y = cdf( NaN );
t.equal( isnan( y ), true, 'returns NaN' );
t.equal( isnan( y ), true, 'returns expected value' );

t.end();
});
Expand Down
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