diff options
Diffstat (limited to 'vendor/markbaker/complex/classes/src/operations/divideinto.php')
-rw-r--r-- | vendor/markbaker/complex/classes/src/operations/divideinto.php | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/vendor/markbaker/complex/classes/src/operations/divideinto.php b/vendor/markbaker/complex/classes/src/operations/divideinto.php new file mode 100644 index 0000000..dff2174 --- /dev/null +++ b/vendor/markbaker/complex/classes/src/operations/divideinto.php @@ -0,0 +1,58 @@ +<?php
+
+/**
+ *
+ * Function code for the complex division operation
+ *
+ * @copyright Copyright (c) 2013-2018 Mark Baker (https://github.com/MarkBaker/PHPComplex)
+ * @license https://opensource.org/licenses/MIT MIT
+ */
+namespace Complex;
+
+/**
+ * Divides two or more complex numbers
+ *
+ * @param array of string|integer|float|Complex $complexValues The numbers to divide
+ * @return Complex
+ */
+if (!function_exists(__NAMESPACE__ . '\\divideinto')) {
+ function divideinto(...$complexValues): Complex
+ {
+ if (count($complexValues) < 2) {
+ throw new \Exception('This function requires at least 2 arguments');
+ }
+
+ $base = array_shift($complexValues);
+ $result = clone Complex::validateComplexArgument($base);
+
+ foreach ($complexValues as $complex) {
+ $complex = Complex::validateComplexArgument($complex);
+
+ if ($result->isComplex() && $complex->isComplex() &&
+ $result->getSuffix() !== $complex->getSuffix()) {
+ throw new Exception('Suffix Mismatch');
+ }
+ if ($result->getReal() == 0.0 && $result->getImaginary() == 0.0) {
+ throw new \InvalidArgumentException('Division by zero');
+ }
+
+ $delta1 = ($complex->getReal() * $result->getReal()) +
+ ($complex->getImaginary() * $result->getImaginary());
+ $delta2 = ($complex->getImaginary() * $result->getReal()) -
+ ($complex->getReal() * $result->getImaginary());
+ $delta3 = ($result->getReal() * $result->getReal()) +
+ ($result->getImaginary() * $result->getImaginary());
+
+ $real = $delta1 / $delta3;
+ $imaginary = $delta2 / $delta3;
+
+ $result = new Complex(
+ $real,
+ $imaginary,
+ ($imaginary == 0.0) ? null : max($result->getSuffix(), $complex->getSuffix())
+ );
+ }
+
+ return $result;
+ }
+}
|