GoLang sqrt

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GoLang replacement for PHP's sqrt [Golang Play | edit | history]

package main

import (
	"fmt"
	"math"
)

func main() {
	c := math.Sqrt(9)
	fmt.Printf("%.1f", c)
}

PHP sqrt

PHP original manual for sqrt [ show | php.net ]

(PHP 4, PHP 5, PHP 7)

sqrt — Square root

float sqrt ( float $arg )

Returns the square root of arg.

The square root of arg or the special value NAN for negative numbers.

Example #1 sqrt() example


<?php
// Precision depends on your precision directive
echo sqrt(9); // 3
echo sqrt(10); // 3.16227766 ...
?>