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bench: update random value generation #6158

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merged 5 commits into from
Mar 19, 2025
Merged

bench: update random value generation #6158

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0dc5f6e
bench: update random value generation
hrshya Mar 18, 2025
8f5af38
Update main.js
hrshya Mar 18, 2025
4240a16
Update benchmark.native.js
hrshya Mar 18, 2025
a76f9f2
Update benchmark.js
hrshya Mar 18, 2025
5c12d3d
Update benchmark.native.js
hrshya Mar 18, 2025
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9 changes: 5 additions & 4 deletions lib/node_modules/@stdlib/math/base/special/flipsign/benchmark/benchmark.js
View file
Original file line number Diff line number Diff line change
@@ -21,7 +21,7 @@
// MODULES //

var bench = require( '@stdlib/bench' );
var randu = require( '@stdlib/random/base/randu' );
var uniform = require( '@stdlib/random/array/uniform' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var pkg = require( './../package.json' ).name;
var flipsign = require( './../lib' );
@@ -35,11 +35,12 @@ bench( pkg, function benchmark( b ) {
var z;
var i;

x = uniform( 100, -5.0e6, 5.0e6 );
y = uniform( 100, -5.0e6, 5.0e6 );

b.tic();
for ( i = 0; i < b.iterations; i++ ) {
x = ( randu()*1.0e7 ) - 5.0e6;
y = ( randu()*1.0e7 ) - 5.0e6;
z = flipsign( x, y );
z = flipsign( x[ i%x.length ], y[ i%y.length ] );
if ( isnan( z ) ) {
b.fail( 'should not return NaN' );
}
9 changes: 5 additions & 4 deletions lib/node_modules/@stdlib/math/base/special/flipsign/benchmark/benchmark.native.js
View file
Original file line number Diff line number Diff line change
@@ -22,7 +22,7 @@

var resolve = require( 'path' ).resolve;
var bench = require( '@stdlib/bench' );
var randu = require( '@stdlib/random/base/randu' );
var uniform = require( '@stdlib/random/array/uniform' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var tryRequire = require( '@stdlib/utils/try-require' );
var pkg = require( './../package.json' ).name;
@@ -44,11 +44,12 @@ bench( pkg+'::native', opts, function benchmark( b ) {
var z;
var i;

x = uniform( 100, -5.0e6, 5.0e6 );
y = uniform( 100, -5.0e6, 5.0e6 );

b.tic();
for ( i = 0; i < b.iterations; i++ ) {
x = ( randu()*1.0e7 ) - 5.0e6;
y = ( randu()*1.0e7 ) - 5.0e6;
z = flipsign( x, y );
z = flipsign( x[ i%x.length ], y[ i%x.length ] );
if ( isnan( z ) ) {
b.fail( 'should not return NaN' );
}
13 changes: 8 additions & 5 deletions lib/node_modules/@stdlib/math/base/special/flipsign/benchmark/c/native/benchmark.c
View file
Original file line number Diff line number Diff line change
@@ -91,17 +91,20 @@ static double rand_double( void ) {
*/
static double benchmark( void ) {
double elapsed;
double x;
double y;
double x[ 100 ];
double y[ 100 ];
double z;
double t;
int i;

for ( i = 0; i < 100; i++ ) {
x[ i ] = ( 1000.0*rand_double() ) - 500.0;
y[ i ] = ( 1000.0*rand_double() ) - 500.0;
}

t = tic();
for ( i = 0; i < ITERATIONS; i++ ) {
x = ( 1000.0*rand_double() ) - 500.0;
y = ( 1000.0*rand_double() ) - 500.0;
z = stdlib_base_flipsign( x, y );
z = stdlib_base_flipsign( x[ i%100 ], y[ i%100 ] );
if ( z != z ) {
printf( "should not return NaN\n" );
break;
36 changes: 18 additions & 18 deletions lib/node_modules/@stdlib/math/base/special/flipsign/test/test.js
View file
Original file line number Diff line number Diff line change
@@ -63,10 +63,10 @@ tape( 'if `x` is `NaN`, the function returns `NaN`', function test( t ) {
var z;

z = flipsign( NaN, -1.0 );
t.equal( isnan( z ), true, 'returns NaN' );
t.equal( isnan( z ), true, 'returns expected value' );

z = flipsign( NaN, 1.0 );
t.equal( isnan( z ), true, 'returns NaN' );
t.equal( isnan( z ), true, 'returns expected value' );

t.end();
});
@@ -75,10 +75,10 @@ tape( 'if `y` is `NaN`, the function could (theoretically) return either a posit
var z;

z = flipsign( -1.0, NaN );
t.equal( isnan( z ), false, 'does not return NaN' );
t.equal( isnan( z ), false, 'returns expected value' );

z = flipsign( 1.0, NaN );
t.equal( isnan( z ), false, 'does not return NaN' );
t.equal( isnan( z ), false, 'returns expected value' );

t.end();
});
@@ -87,10 +87,10 @@ tape( 'if `x` is `+infinity`, the function returns an infinite number', function
var z;

z = flipsign( PINF, -1.0 );
t.equal( z, NINF, 'returns -infinity' );
t.equal( z, NINF, 'returns expected value' );

z = flipsign( PINF, 1.0 );
t.equal( z, PINF, 'returns +infinity' );
t.equal( z, PINF, 'returns expected value' );

t.end();
});
@@ -99,10 +99,10 @@ tape( 'if `y` is `+infinity`, the function returns `x`', function test( t ) {
var z;

z = flipsign( -1.0, PINF );
t.equal( z, -1.0, 'returns -1' );
t.equal( z, -1.0, 'returns expected value' );

z = flipsign( 1.0, PINF );
t.equal( z, 1.0, 'returns +1' );
t.equal( z, 1.0, 'returns expected value' );

t.end();
});
@@ -111,10 +111,10 @@ tape( 'if `x` is `-infinity`, the function returns an infinite number', function
var z;

z = flipsign( NINF, -1.0 );
t.equal( z, PINF, 'returns +infinity' );
t.equal( z, PINF, 'returns expected value' );

z = flipsign( NINF, 1.0 );
t.equal( z, NINF, 'returns -infinity' );
t.equal( z, NINF, 'returns expected value' );

t.end();
});
@@ -123,10 +123,10 @@ tape( 'if `y` is `-infinity`, the function returns `-x`', function test( t ) {
var z;

z = flipsign( -1.0, NINF );
t.equal( z, +1.0, 'returns +1' );
t.equal( z, +1.0, 'returns expected value' );

z = flipsign( 1.0, NINF );
t.equal( z, -1.0, 'returns -1' );
t.equal( z, -1.0, 'returns expected value' );

t.end();
});
@@ -138,10 +138,10 @@ tape( 'the function supports using `+-0` to flip a sign', function test( t ) {
x = 3.14;

z = flipsign( x, 0.0 );
t.equal( z, 3.14, 'returns +3.14' );
t.equal( z, 3.14, 'returns expected value' );

z = flipsign( x, -0.0 );
t.equal( z, -3.14, 'returns -3.14' );
t.equal( z, -3.14, 'returns expected value' );

t.end();
});
@@ -150,16 +150,16 @@ tape( 'the function supports `x` being `+-0`', function test( t ) {
var z;

z = flipsign( -0.0, 1.0 );
t.equal( isNegativeZero( z ), true, 'returns -0' );
t.equal( isNegativeZero( z ), true, 'returns expected value' );

z = flipsign( -0.0, -1.0 );
t.equal( isPositiveZero( z ), true, 'returns +0' );
t.equal( isPositiveZero( z ), true, 'returns expected value' );

z = flipsign( 0.0, 1.0 );
t.equal( isPositiveZero( z ), true, 'returns +0' );
t.equal( isPositiveZero( z ), true, 'returns expected value' );

z = flipsign( 0.0, -1.0 );
t.equal( isNegativeZero( z ), true, 'returns -0' );
t.equal( isNegativeZero( z ), true, 'returns expected value' );

t.end();
});
36 changes: 18 additions & 18 deletions lib/node_modules/@stdlib/math/base/special/flipsign/test/test.native.js
View file
Original file line number Diff line number Diff line change
@@ -72,10 +72,10 @@ tape( 'if `x` is `NaN`, the function returns `NaN`', opts, function test( t ) {
var z;

z = flipsign( NaN, -1.0 );
t.equal( isnan( z ), true, 'returns NaN' );
t.equal( isnan( z ), true, 'returns expected value' );

z = flipsign( NaN, 1.0 );
t.equal( isnan( z ), true, 'returns NaN' );
t.equal( isnan( z ), true, 'returns expected value' );

t.end();
});
@@ -84,10 +84,10 @@ tape( 'if `y` is `NaN`, the function could (theoretically) return either a posit
var z;

z = flipsign( -1.0, NaN );
t.equal( isnan( z ), false, 'does not return NaN' );
t.equal( isnan( z ), false, 'returns expected value' );

z = flipsign( 1.0, NaN );
t.equal( isnan( z ), false, 'does not return NaN' );
t.equal( isnan( z ), false, 'returns expected value' );

t.end();
});
@@ -96,10 +96,10 @@ tape( 'if `x` is `+infinity`, the function returns an infinite number', opts, fu
var z;

z = flipsign( PINF, -1.0 );
t.equal( z, NINF, 'returns -infinity' );
t.equal( z, NINF, 'returns expected value' );

z = flipsign( PINF, 1.0 );
t.equal( z, PINF, 'returns +infinity' );
t.equal( z, PINF, 'returns expected value' );

t.end();
});
@@ -108,10 +108,10 @@ tape( 'if `y` is `+infinity`, the function returns `x`', opts, function test( t
var z;

z = flipsign( -1.0, PINF );
t.equal( z, -1.0, 'returns -1' );
t.equal( z, -1.0, 'returns expected value' );

z = flipsign( 1.0, PINF );
t.equal( z, 1.0, 'returns +1' );
t.equal( z, 1.0, 'returns expected value' );

t.end();
});
@@ -120,10 +120,10 @@ tape( 'if `x` is `-infinity`, the function returns an infinite number', opts, fu
var z;

z = flipsign( NINF, -1.0 );
t.equal( z, PINF, 'returns +infinity' );
t.equal( z, PINF, 'returns expected value' );

z = flipsign( NINF, 1.0 );
t.equal( z, NINF, 'returns -infinity' );
t.equal( z, NINF, 'returns expected value' );

t.end();
});
@@ -132,10 +132,10 @@ tape( 'if `y` is `-infinity`, the function returns `-x`', opts, function test( t
var z;

z = flipsign( -1.0, NINF );
t.equal( z, +1.0, 'returns +1' );
t.equal( z, +1.0, 'returns expected value' );

z = flipsign( 1.0, NINF );
t.equal( z, -1.0, 'returns -1' );
t.equal( z, -1.0, 'returns expected value' );

t.end();
});
@@ -147,10 +147,10 @@ tape( 'the function supports using `+-0` to flip a sign', opts, function test( t
x = 3.14;

z = flipsign( x, 0.0 );
t.equal( z, 3.14, 'returns +3.14' );
t.equal( z, 3.14, 'returns expected value' );

z = flipsign( x, -0.0 );
t.equal( z, -3.14, 'returns -3.14' );
t.equal( z, -3.14, 'returns expected value' );

t.end();
});
@@ -159,16 +159,16 @@ tape( 'the function supports `x` being `+-0`', opts, function test( t ) {
var z;

z = flipsign( -0.0, 1.0 );
t.equal( isNegativeZero( z ), true, 'returns -0' );
t.equal( isNegativeZero( z ), true, 'returns expected value' );

z = flipsign( -0.0, -1.0 );
t.equal( isPositiveZero( z ), true, 'returns +0' );
t.equal( isPositiveZero( z ), true, 'returns expected value' );

z = flipsign( 0.0, 1.0 );
t.equal( isPositiveZero( z ), true, 'returns +0' );
t.equal( isPositiveZero( z ), true, 'returns expected value' );

z = flipsign( 0.0, -1.0 );
t.equal( isNegativeZero( z ), true, 'returns -0' );
t.equal( isNegativeZero( z ), true, 'returns expected value' );

t.end();
});