<?php
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namespace PhpAmqpLib\Wire;
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use PhpAmqpLib\Exception\AMQPOutOfBoundsException;
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/**
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* AMQP protocol decimal value.
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*
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* Values are represented as (n,e) pairs. The actual value
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* is n * 10^(-e).
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*
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* From 0.8 spec: Decimal values are
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* not intended to support floating point values, but rather
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* business values such as currency rates and amounts. The
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* 'decimals' octet is not signed.
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*/
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class AMQPDecimal
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{
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/** @var int */
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protected $n;
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/** @var int */
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protected $e;
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/**
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* @param int $n
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* @param int $e
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* @throws \PhpAmqpLib\Exception\AMQPOutOfBoundsException
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*/
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public function __construct($n, $e)
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{
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if ($e < 0) {
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throw new AMQPOutOfBoundsException('Decimal exponent value must be unsigned!');
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}
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$this->n = $n;
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$this->e = $e;
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}
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/**
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* @return string
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*/
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public function asBCvalue()
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{
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return bcdiv($this->n, bcpow(10, $this->e));
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}
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/**
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* @return int
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*/
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public function getE()
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{
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return $this->e;
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}
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/**
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* @return int
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*/
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public function getN()
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{
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return $this->n;
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}
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}
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