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@stdlib-bot
stdlib-bot committed Nov 1, 2023
1 parent bf3e0db commit 87a31a4
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Showing 5 changed files with 22 additions and 157 deletions.
1 change: 1 addition & 0 deletions .github/.keepalive
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2023-11-01T03:57:36.695Z
12 changes: 10 additions & 2 deletions .github/workflows/publish.yml
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Expand Up @@ -182,7 +182,11 @@ jobs:
fi
# Trim leading and trailing whitespace:
dep=$(echo "$dep" | xargs)
version="^$(npm view $dep version)"
version="$(npm view $dep version)"
if [[ -z "$version" ]]; then
continue
fi
version="^$version"
jq -r --arg dep "$dep" --arg version "$version" '.dependencies[$dep] = $version' package.json > package.json.tmp
mv package.json.tmp package.json
done
Expand All @@ -192,7 +196,11 @@ jobs:
fi
# Trim leading and trailing whitespace:
dep=$(echo "$dep" | xargs)
version="^$(npm view $dep version)"
version="$(npm view $dep version)"
if [[ -z "$version" ]]; then
continue
fi
version="^$version"
jq -r --arg dep "$dep" --arg version "$version" '.devDependencies[$dep] = $version' package.json > package.json.tmp
mv package.json.tmp package.json
done
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1 change: 1 addition & 0 deletions CONTRIBUTORS
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Expand Up @@ -37,3 +37,4 @@ Stephannie Jiménez Gacha <steff456@hotmail.com>
Yernar Yergaziyev <yernar.yergaziyev@erg.kz>
orimiles5 <97595296+orimiles5@users.noreply.github.com>
rei2hu <reimu@reimu.ws>
Robert Gislason <gztown2216@yahoo.com>
12 changes: 6 additions & 6 deletions package.json
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Expand Up @@ -47,13 +47,13 @@
"@stdlib/constants-float64-pinf": "^0.1.1",
"@stdlib/math-base-assert-is-infinite": "^0.1.1",
"@stdlib/math-base-assert-is-nan": "^0.1.1",
"@stdlib/math-base-special-abs": "^0.1.0",
"@stdlib/math-base-special-abs": "^0.1.1",
"@stdlib/math-base-special-copysign": "^0.1.0",
"@stdlib/number-float32-base-to-word": "^0.1.0",
"@stdlib/number-float64-base-exponent": "^0.1.0",
"@stdlib/number-float64-base-from-words": "^0.1.0",
"@stdlib/number-float64-base-normalize": "^0.1.0",
"@stdlib/number-float64-base-to-words": "^0.1.0",
"@stdlib/number-float32-base-to-word": "^0.1.1",
"@stdlib/number-float64-base-exponent": "^0.1.1",
"@stdlib/number-float64-base-from-words": "^0.1.1",
"@stdlib/number-float64-base-normalize": "^0.1.1",
"@stdlib/number-float64-base-to-words": "^0.1.1",
"@stdlib/utils-library-manifest": "^0.1.1"
},
"devDependencies": {
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153 changes: 4 additions & 149 deletions test/dist/test.js
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@@ -1,7 +1,7 @@
/**
* @license Apache-2.0
*
* Copyright (c) 2018 The Stdlib Authors.
* Copyright (c) 2023 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
Expand All @@ -21,158 +21,13 @@
// MODULES //

var tape = require( 'tape' );
var PINF = require( '@stdlib/constants-float64-pinf' );
var NINF = require( '@stdlib/constants-float64-ninf' );
var isNegativeZero = require( '@stdlib/math-base-assert-is-negative-zero' );
var isPositiveZero = require( '@stdlib/math-base-assert-is-positive-zero' );
var isnan = require( '@stdlib/math-base-assert-is-nan' );
var ldexp = require( './../../dist' );


// FIXTURES //

var small = require( './../fixtures/julia/small.json' );
var medium = require( './../fixtures/julia/medium.json' );
var large = require( './../fixtures/julia/large.json' );
var subnormal = require( './../fixtures/julia/subnormal.json' );
var main = require( './../../dist' );


// TESTS //

tape( 'main export is a function', function test( t ) {
tape( 'main export is defined', function test( t ) {
t.ok( true, __filename );
t.strictEqual( typeof ldexp, 'function', 'main export is a function' );
t.end();
});

tape( 'the function multiplies a number by an integer power of two (small values)', function test( t ) {
var expected;
var frac;
var exp;
var v;
var i;

expected = small.expected;
frac = small.frac;
exp = small.exp;
for ( i = 0; i < frac.length; i++ ) {
v = ldexp( frac[i], exp[i] );
t.equal( v, expected[i], 'frac: '+frac[i]+'; exp: '+exp[i]+'; expected: '+expected[i] );
}
t.end();
});

tape( 'the function multiplies a number by an integer power of two (medium values)', function test( t ) {
var expected;
var frac;
var exp;
var v;
var i;

expected = medium.expected;
frac = medium.frac;
exp = medium.exp;
for ( i = 0; i < frac.length; i++ ) {
v = ldexp( frac[i], exp[i] );
t.equal( v, expected[i], 'frac: '+frac[i]+'; exp: '+exp[i]+'; expected: '+expected[i] );
}
t.end();
});

tape( 'the function multiplies a number by an integer power of two (large values)', function test( t ) {
var expected;
var frac;
var exp;
var v;
var i;

expected = large.expected;
frac = large.frac;
exp = large.exp;
for ( i = 0; i < frac.length; i++ ) {
v = ldexp( frac[i], exp[i] );
t.equal( v, expected[i], 'frac: '+frac[i]+'; exp: '+exp[i]+'; expected: '+expected[i] );
}
t.end();
});

tape( 'the function multiplies a number by an integer power of two (subnormals)', function test( t ) {
var expected;
var frac;
var exp;
var v;
var i;

expected = subnormal.expected;
frac = subnormal.frac;
exp = subnormal.exp;
for ( i = 0; i < frac.length; i++ ) {
v = ldexp( frac[i], exp[i] );
t.equal( v, expected[i], 'frac: '+frac[i]+'; exp: '+exp[i]+'; expected: '+expected[i] );
}
t.end();
});

tape( 'if provided a fraction equal to `+0`, the function returns `+0`', function test( t ) {
var v = ldexp( 0.0, 10 );
t.equal( isPositiveZero( v ), true, 'returns +0' );
t.end();
});

tape( 'if provided a fraction equal to `-0`, the function returns `-0`', function test( t ) {
var v = ldexp( -0.0, 10 );
t.equal( isNegativeZero( v ), true, 'returns -0' );
t.end();
});

tape( 'if provided a fraction equal to `+infinity`, the function returns `+infinity`', function test( t ) {
var v = ldexp( PINF, 10 );
t.equal( v, PINF, 'returns +infinity' );
t.end();
});

tape( 'if provided a fraction equal to `-infinity`, the function returns `-infinity`', function test( t ) {
var v = ldexp( NINF, 10 );
t.equal( v, NINF, 'returns -infinity' );
t.end();
});

tape( 'if provided an exponent equal to `0`, the function returns the provided fraction', function test( t ) {
var v = ldexp( 3.0, 0 );
t.equal( v, 3.0, 'returns expected value' );
t.end();
});

tape( 'if provided a fraction equal to `NaN`, the function returns `NaN`', function test( t ) {
var v = ldexp( NaN, 10 );
t.equal( isnan( v ), true, 'returns NaN' );
t.end();
});

tape( 'the function returns `0` if the result of multiplying a positive fraction and an integer power of two underflows', function test( t ) {
// Min subnormal ~5e-324 ~ 2**-1074
var v = ldexp( 0.005, -1073 );
t.equal( isPositiveZero( v ), true, 'returns +0' );
t.end();
});

tape( 'the function returns `-0` if the result of multiplying a negative fraction and an integer power of two underflows', function test( t ) {
// Min subnormal ~5e-324 ~ 2**-1074
var v = ldexp( -0.005, -1073 );
t.equal( isNegativeZero( v ), true, 'returns -0' );
t.end();
});

tape( 'the function returns `+infinity` if the result of multiplying a positive fraction and an integer power of two overflows', function test( t ) {
// Max double ~1e308 ~ 2**1023
var v = ldexp( 1.0e3, 1021 );
t.equal( v, PINF, 'returns +infinity' );
t.end();
});

tape( 'the function returns `-infinity` if the result of multiplying a negative fraction and an integer power of two overflows', function test( t ) {
// Max double ~1e308 ~ 2**1023
var v = ldexp( -1.0e3, 1021 );
t.equal( v, NINF, 'returns -infinity' );
t.strictEqual( main !== void 0, true, 'main export is defined' );
t.end();
});

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