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- <?php
- namespace Complex;
- use InvalidArgumentException;
- class Operations
- {
- /**
- * Adds two or more complex numbers
- *
- * @param array of string|integer|float|Complex $complexValues The numbers to add
- * @return Complex
- */
- public static function add(...$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');
- }
- $real = $result->getReal() + $complex->getReal();
- $imaginary = $result->getImaginary() + $complex->getImaginary();
- $result = new Complex(
- $real,
- $imaginary,
- ($imaginary == 0.0) ? null : max($result->getSuffix(), $complex->getSuffix())
- );
- }
- return $result;
- }
- /**
- * Divides two or more complex numbers
- *
- * @param array of string|integer|float|Complex $complexValues The numbers to divide
- * @return Complex
- */
- public static function divideby(...$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() !== $complex->getSuffix()) {
- throw new Exception('Suffix Mismatch');
- }
- if ($complex->getReal() == 0.0 && $complex->getImaginary() == 0.0) {
- throw new InvalidArgumentException('Division by zero');
- }
- $delta1 = ($result->getReal() * $complex->getReal()) +
- ($result->getImaginary() * $complex->getImaginary());
- $delta2 = ($result->getImaginary() * $complex->getReal()) -
- ($result->getReal() * $complex->getImaginary());
- $delta3 = ($complex->getReal() * $complex->getReal()) +
- ($complex->getImaginary() * $complex->getImaginary());
- $real = $delta1 / $delta3;
- $imaginary = $delta2 / $delta3;
- $result = new Complex(
- $real,
- $imaginary,
- ($imaginary == 0.0) ? null : max($result->getSuffix(), $complex->getSuffix())
- );
- }
- return $result;
- }
- /**
- * Divides two or more complex numbers
- *
- * @param array of string|integer|float|Complex $complexValues The numbers to divide
- * @return Complex
- */
- public static function divideinto(...$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;
- }
- /**
- * Multiplies two or more complex numbers
- *
- * @param array of string|integer|float|Complex $complexValues The numbers to multiply
- * @return Complex
- */
- public static function multiply(...$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');
- }
- $real = ($result->getReal() * $complex->getReal()) -
- ($result->getImaginary() * $complex->getImaginary());
- $imaginary = ($result->getReal() * $complex->getImaginary()) +
- ($result->getImaginary() * $complex->getReal());
- $result = new Complex(
- $real,
- $imaginary,
- ($imaginary == 0.0) ? null : max($result->getSuffix(), $complex->getSuffix())
- );
- }
- return $result;
- }
- /**
- * Subtracts two or more complex numbers
- *
- * @param array of string|integer|float|Complex $complexValues The numbers to subtract
- * @return Complex
- */
- public static function subtract(...$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');
- }
- $real = $result->getReal() - $complex->getReal();
- $imaginary = $result->getImaginary() - $complex->getImaginary();
- $result = new Complex(
- $real,
- $imaginary,
- ($imaginary == 0.0) ? null : max($result->getSuffix(), $complex->getSuffix())
- );
- }
- return $result;
- }
- }
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