Write a C Program to calculate Base-2 and Base-N logarithm by recursion

By | March 24, 2017

C Program to calculate Base-2 and Base-N logarithm


Write a C Program to calculate Base-2 and Base-N logarithm by recursion. Here’s simple Program to calculate Base-2 and Base-N logarithm using recursion in C Programming Language.


Recursion : :


  • Recursion is the process of repeating items in a self-similar way. In programming languages, if a program allows you to call a function inside the same function, then it is called a recursive call of the function.
  • The C programming language supports recursion, i.e., a function to call itself. But while using recursion, programmers need to be careful to define an exit condition from the function, otherwise it will go into an infinite loop.
  • Recursive functions are very useful to solve many mathematical problems, such as calculating the factorial of a number, generating Fibonacci series, etc.

Equation : :


One can easily calculate the logarithm of any base using the following simple equation:

log.png

Where log k is the function that returns the base-k logarithm of a number, and it can be any real number.


Below is the source code for C Program to calculate Base-2 and Base-N logarithm by recursion which is successfully compiled and run on Windows System to produce desired output as shown below :


SOURCE CODE : :



OUTPUT  : :



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