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test: add tests for IEEE 754-2019 compliance #6558

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Merged
merged 1 commit into from
Apr 5, 2025
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test: add tests for IEEE 754-2019 compliance #6558

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12 changes: 12 additions & 0 deletions lib/node_modules/@stdlib/math/base/special/cos/test/test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -214,3 +214,15 @@ tape( 'the function returns `NaN` if provided a `-infinity`', function test( t )
t.equal( isnan( v ), true, 'returns expected value' );
t.end();
});

tape( 'the function returns `1` if provided `+-0`', function test( t ) {
var v;

v = cos( -0.0 );
t.equal( v, 1.0, 'returns expected value' );

v = cos( +0.0 );
t.equal( v, 1.0, 'returns expected value' );

t.end();
});
12 changes: 12 additions & 0 deletions lib/node_modules/@stdlib/math/base/special/cos/test/test.native.js
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Original file line number Diff line number Diff line change
Expand Up @@ -223,3 +223,15 @@ tape( 'the function returns `NaN` if provided a `-infinity`', opts, function tes
t.equal( isnan( v ), true, 'returns expected value' );
t.end();
});

tape( 'the function returns `1` if provided `+-0`', opts, function test( t ) {
var v;

v = cos( -0.0 );
t.equal( v, 1.0, 'returns expected value' );

v = cos( +0.0 );
t.equal( v, 1.0, 'returns expected value' );

t.end();
});
10 changes: 8 additions & 2 deletions lib/node_modules/@stdlib/math/base/special/cosh/test/test.js
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Expand Up @@ -116,9 +116,15 @@ tape( 'the function computes the hyperbolic cosine (large values)', function tes
t.end();
});

tape( 'the function returns `1` if provided `0`', function test( t ) {
var v = cosh( 0 );
tape( 'the function returns `1` if provided `+-0`', function test( t ) {
var v;

v = cosh( -0.0 );
t.equal( v, 1.0, 'returns expected value' );

v = cosh( +0.0 );
t.equal( v, 1.0, 'returns expected value' );

t.end();
});

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10 changes: 8 additions & 2 deletions lib/node_modules/@stdlib/math/base/special/cosh/test/test.native.js
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Expand Up @@ -125,9 +125,15 @@ tape( 'the function computes the hyperbolic cosine (large values)', opts, functi
t.end();
});

tape( 'the function returns `1` if provided `0`', opts, function test( t ) {
var v = cosh( 0 );
tape( 'the function returns `1` if provided `+-0`', opts, function test( t ) {
var v;

v = cosh( -0.0 );
t.equal( v, 1.0, 'returns expected value' );

v = cosh( +0.0 );
t.equal( v, 1.0, 'returns expected value' );

t.end();
});

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12 changes: 12 additions & 0 deletions lib/node_modules/@stdlib/math/base/special/cospi/test/test.js
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Expand Up @@ -63,6 +63,18 @@ tape( 'if provided `NaN`, the function returns `NaN`', function test( t ) {
t.end();
});

tape( 'the function returns `1` if provided `+-0`', function test( t ) {
var y;

y = cospi( -0.0 );
t.equal( y, 1.0, 'returns expected value' );

y = cospi( +0.0 );
t.equal( y, 1.0, 'returns expected value' );

t.end();
});

tape( 'if provided an integer, the function returns `+-1.0`', function test( t ) {
var expected;
var x;
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12 changes: 12 additions & 0 deletions lib/node_modules/@stdlib/math/base/special/cospi/test/test.native.js
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Expand Up @@ -72,6 +72,18 @@ tape( 'if provided `NaN`, the function returns `NaN`', opts, function test( t )
t.end();
});

tape( 'the function returns `1` if provided `+-0`', opts, function test( t ) {
var y;

y = cospi( -0.0 );
t.equal( y, 1.0, 'returns expected value' );

y = cospi( +0.0 );
t.equal( y, 1.0, 'returns expected value' );

t.end();
});

tape( 'if provided an integer, the function returns `+-1.0`', opts, function test( t ) {
var expected;
var x;
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12 changes: 12 additions & 0 deletions lib/node_modules/@stdlib/math/base/special/exp/test/test.js
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Expand Up @@ -163,3 +163,15 @@ tape( 'the function returns `NaN` if provided a `NaN`', function test( t ) {
t.equal( isnan( val ), true, 'returns NaN' );
t.end();
});

tape( 'the function returns `1` if provided `+-0`', function test( t ) {
var val;

val = exp( -0.0 );
t.equal( val, 1.0, 'returns expected value' );

val = exp( +0.0 );
t.equal( val, 1.0, 'returns expected value' );

t.end();
});
12 changes: 12 additions & 0 deletions lib/node_modules/@stdlib/math/base/special/exp/test/test.native.js
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Original file line number Diff line number Diff line change
Expand Up @@ -172,3 +172,15 @@ tape( 'the function returns `NaN` if provided a `NaN`', opts, function test( t )
t.equal( isnan( val ), true, 'returns NaN' );
t.end();
});

tape( 'the function returns `1` if provided `+-0`', opts, function test( t ) {
var val;

val = exp( -0.0 );
t.equal( val, 1.0, 'returns expected value' );

val = exp( +0.0 );
t.equal( val, 1.0, 'returns expected value' );

t.end();
});
12 changes: 9 additions & 3 deletions lib/node_modules/@stdlib/math/base/special/exp10/test/test.js
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Expand Up @@ -170,9 +170,15 @@ tape( 'the function returns `+infinity` if provided `+infinity`', function test(
t.end();
});

tape( 'the function returns `1` if provided `0`', function test( t ) {
var v = exp10( 0.0 );
t.equal( v, 1.0, 'equals 1' );
tape( 'the function returns `1` if provided `+-0`', function test( t ) {
var val;

val = exp10( -0.0 );
t.equal( val, 1.0, 'returns expected value' );

val = exp10( +0.0 );
t.equal( val, 1.0, 'returns expected value' );

t.end();
});

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12 changes: 9 additions & 3 deletions lib/node_modules/@stdlib/math/base/special/exp10/test/test.native.js
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Expand Up @@ -179,9 +179,15 @@ tape( 'the function returns `+infinity` if provided `+infinity`', opts, function
t.end();
});

tape( 'the function returns `1` if provided `0`', opts, function test( t ) {
var v = exp10( 0.0 );
t.equal( v, 1.0, 'equals 1' );
tape( 'the function returns `1` if provided `+-0`', opts, function test( t ) {
var val;

val = exp10( -0.0 );
t.equal( val, 1.0, 'returns expected value' );

val = exp10( +0.0 );
t.equal( val, 1.0, 'returns expected value' );

t.end();
});

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12 changes: 9 additions & 3 deletions lib/node_modules/@stdlib/math/base/special/exp2/test/test.js
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Expand Up @@ -170,9 +170,15 @@ tape( 'the function returns `+infinity` if provided `+infinity`', function test(
t.end();
});

tape( 'the function returns `1` if provided `0`', function test( t ) {
var v = exp2( 0.0 );
t.equal( v, 1.0, 'equals 1' );
tape( 'the function returns `1` if provided `+-0`', function test( t ) {
var v;

v = exp2( -0.0 );
t.equal( v, 1.0, 'returns expected value' );

v = exp2( +0.0 );
t.equal( v, 1.0, 'returns expected value' );

t.end();
});

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12 changes: 9 additions & 3 deletions lib/node_modules/@stdlib/math/base/special/exp2/test/test.native.js
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Original file line number Diff line number Diff line change
Expand Up @@ -179,9 +179,15 @@ tape( 'the function returns `+infinity` if provided `+infinity`', opts, function
t.end();
});

tape( 'the function returns `1` if provided `0`', opts, function test( t ) {
var v = exp2( 0.0 );
t.equal( v, 1.0, 'equals 1' );
tape( 'the function returns `1` if provided `+-0`', opts, function test( t ) {
var v;

v = exp2( -0.0 );
t.equal( v, 1.0, 'returns expected value' );

v = exp2( +0.0 );
t.equal( v, 1.0, 'returns expected value' );

t.end();
});

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