Creating implementation for idiom 305 : Calculate exponentiation of real numbers

Idiom

# 305 Calculate exponentiation of real numbers

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Compute and print a^b, and a^n, where a and b are floating point numbers and n is an integer.

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#include <stdio.h>
#include <math.h>

printf("%f %f", pow(a, b), pow(a, n));

  print *,a**b, a**n

import static java.lang.Math.pow;
import static java.lang.System.out;

double x = pow(a, b), y = pow(a, n);
out.printf("%s, %s", x, y);

math

writeln('a^b=',power(a,b));
writeln('a^n=',power(a,n));

use feature 'say';

my ($a, $b, $n) = (4.0, 0.5, 3);

say $a**$b;  # prints 2
say $a**$n;  # prints 64

print(a ** b, a ** n)

print(f'a^b = {a}^{b} = {a ** b}')
print(f'a^n = {a}^{n} = {a ** n}')

exp = 'a ** b', 'a ** n'
for e, value in zip(exp, map(eval, exp)):
    print(e, '=', value)

puts a ** b, a ** n