List in Prolog

It is important for any programming tool to have some functionality of handling collections like array, list or something else. Prolog use lists for the very purpose and I must warn C/C++ programmers (or even Java, C# or any other C-like language fan) that lists are not arrays but similar to it. A list must … Continue reading List in Prolog

Prolog program to find GCDs and LCMs

The least common multiple (LCM) of two integers a, b is the smallest positive integer that is a multiple of both a and b. Despite of the fact, there exist several formulas to calculate the LCM of two integers, most popular formula, especially to the programmers, is by using GCD of the two: LCM(a, b) … Continue reading Prolog program to find GCDs and LCMs

Prolog program to Calculate factorial of N

We know the formula for calculating n! (factorial of n)  is: n! = n * (n-1)! We can interpret this simple mathematical equation into a Prolog program. To do so, we must determine the basis of the recursion, 0! = 1 We will use two predicates here, factorial predicate with one argument N, that will … Continue reading Prolog program to Calculate factorial of N

Beginning Device-independent Graphics Programming with OpenGL (using GL, GLU & GLUT)

We have already set up GLUT and OpenGL [↗]. Now we can start writing codes from the ground up. Create an Empty C++ Win32 Console application and add a C++ source file. Add necessary library headers as follow: #include <stdlib.h> #include <GL/glut.h> ‾ Note» alteration of order will cause generation of error message. Now let … Continue reading Beginning Device-independent Graphics Programming with OpenGL (using GL, GLU & GLUT)

OpenGL and glut in C++ with MS Visual Studio 2008 (MSVS9)

OpenGL support come with many IDEs, programming  environments and compilers. Likewise MSVS9 comes with built in support for OpenGL so that you can use all features of gl and glu libraries simply. To use glut support we need to download and add the glut support. Let us do both one by one. OpenGL (gl and … Continue reading OpenGL and glut in C++ with MS Visual Studio 2008 (MSVS9)