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Refactoring for PHP8.2

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This commit is contained in:
Jens True
2023-08-01 11:26:38 +00:00
parent 5dd4acf57d
commit 068b6f18aa
18 changed files with 375 additions and 782 deletions
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14
tests/Numerics/GaussianDistributionTest.php
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@@ -10,21 +10,21 @@ class GaussianDistributionTest extends TestCase
{
const ERROR_TOLERANCE = 0.000001;
public function testCumulativeTo()
public function testCumulativeTo(): void
{
// Verified with WolframAlpha
// (e.g. http://www.wolframalpha.com/input/?i=CDF%5BNormalDistribution%5B0%2C1%5D%2C+0.5%5D )
$this->assertEqualsWithDelta(0.691462, GaussianDistribution::cumulativeTo(0.5), GaussianDistributionTest::ERROR_TOLERANCE);
}
public function testAt()
public function testAt(): void
{
// Verified with WolframAlpha
// (e.g. http://www.wolframalpha.com/input/?i=PDF%5BNormalDistribution%5B0%2C1%5D%2C+0.5%5D )
$this->assertEqualsWithDelta(0.352065, GaussianDistribution::at(0.5), GaussianDistributionTest::ERROR_TOLERANCE);
}
public function testMultiplication()
public function testMultiplication(): void
{
// I verified this against the formula at http://www.tina-vision.net/tina-knoppix/tina-memo/2003-003.pdf
$standardNormal = new GaussianDistribution(0, 1);
@@ -46,7 +46,7 @@ class GaussianDistributionTest extends TestCase
$this->assertEqualsWithDelta($expectedSigma, $product2->getStandardDeviation(), GaussianDistributionTest::ERROR_TOLERANCE);
}
public function testDivision()
public function testDivision(): void
{
// Since the multiplication was worked out by hand, we use the same numbers but work backwards
$product = new GaussianDistribution(0.2, 3.0 / sqrt(10));
@@ -63,7 +63,7 @@ class GaussianDistributionTest extends TestCase
$this->assertEqualsWithDelta(7.0, $product2DividedByM4S5->getStandardDeviation(), GaussianDistributionTest::ERROR_TOLERANCE);
}
public function testLogProductNormalization()
public function testLogProductNormalization(): void
{
// Verified with Ralf Herbrich's F# implementation
$standardNormal = new GaussianDistribution(0, 1);
@@ -76,7 +76,7 @@ class GaussianDistributionTest extends TestCase
$this->assertEqualsWithDelta(-2.5168046699816684, $lpn2, GaussianDistributionTest::ERROR_TOLERANCE);
}
public function testLogRatioNormalization()
public function testLogRatioNormalization(): void
{
// Verified with Ralf Herbrich's F# implementation
$m1s2 = new GaussianDistribution(1, 2);
@@ -85,7 +85,7 @@ class GaussianDistributionTest extends TestCase
$this->assertEqualsWithDelta(2.6157405972171204, $lrn, GaussianDistributionTest::ERROR_TOLERANCE);
}
public function testAbsoluteDifference()
public function testAbsoluteDifference(): void
{
// Verified with Ralf Herbrich's F# implementation
$standardNormal = new GaussianDistribution(0, 1);