etconsilium/php-complex-number

Classes that define complex numbers and their operations (PEAR::Math_Complex cover ft. PHP7)

dev-main 2021-02-08 20:01 UTC

Requires

• php: >5

Requires (Dev)

• ext-bcmath: *

WTFPL

• And They Have A Plan

• hack
• complex
• fix
• php_for_food
• complex number
• complex number operations

README

Classes that define complex numbers and their operations, based on PEAR::Math_Complex

How to use

Imperative Procedural Approach

use Math\Complex;
use Math\Complex\Operation;

$a = complex(0.3, 0.5);
$b = complex(1.0, -M_PI_2);

echo "a = " . $a->toString() . PHP_EOL;
echo "b = " . $b->toString() . PHP_EOL;
$z = Complex\sqrt($a);          //  namespace
echo "sqrt(a) = " . $z->toString() . PHP_EOL;
$z = Operation::log10($b);      //  or static call
echo "log10(a) = " . $z->toString() . PHP_EOL;

$z = Operation::add($a, $b);
echo "add(a, b) = " . $z->toString() . PHP_EOL;
$z = Complex\div($a, $b);
echo "div(a, b) = " . $z->toString() . PHP_EOL;

@see also using_example.php

Object Oriented Approach

use Math\Complex;
use Math\Complex\Operation;

$a = Complex::new(0.3, 0.5);    //  factory method contains syntactic sugar 
$b = new Complex(["real" => 1, "imaginary" => -M_PI_2]); //  constructor does not 

$op = new Operation($a);        //  operands' FILO inside the class
//  Operation::add($a, $b);
$c = $op->add($b)->fetch();     //  first Complex element shift from heap's top and return
print $c->asString() . PHP_EOL;

print $op->mul($c,$a)() . PHP_EOL;  //  php double magic: __call alias fetch() & __toString

print $op->atan(complex(1,2))
	->mul(complex(3,4))         //  can be chained
	->add(complex(5,6))
	->abs();

Enjoy!