volume.cpp File Reference

Implmentations for the volume of various 3D shapes. More...

#include <cassert>
#include <cmath>
#include <cstdint>
#include <iostream>

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Namespaces
namespace	math
	for assert

Functions
template<typename T >
T	math::cube_volume (T length)
	The volume of a cube
template<typename T >
T	math::rect_prism_volume (T length, T width, T height)
	The volume of a rectangular prism.
template<typename T >
T	math::cone_volume (T radius, T height, double PI=3.14)
	The volume of a cone
template<typename T >
T	math::triangle_prism_volume (T base, T height, T depth)
	The volume of a triangular prism.
template<typename T >
T	math::pyramid_volume (T length, T width, T height)
	The volume of a pyramid
template<typename T >
T	math::sphere_volume (T radius, double PI=3.14)
	The volume of a sphere
template<typename T >
T	math::cylinder_volume (T radius, T height, double PI=3.14)
	The volume of a cylinder
static void	test ()
	Self-test implementations.
int	main ()
	Main function.

Detailed Description

Implmentations for the volume of various 3D shapes.

The volume of a 3D shape is the amount of 3D space that the shape takes up. All shapes have a formula to get the volume of any given shape. These implementations support multiple return types.

Author

Focusucof

Function Documentation

main()

int main

(

void

)

Main function.

Returns

0 on exit

           {
    test();  // run self-test implementations
    return 0;
}

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test()

static void test ( )

static

Self-test implementations.

Returns

void

                   {
    // Input variables
    uint32_t int_length = 0; // 32 bit integer length input
    uint32_t int_width = 0;  // 32 bit integer width input
    uint32_t int_base = 0;   // 32 bit integer base input
    uint32_t int_height = 0; // 32 bit integer height input
    uint32_t int_depth = 0;  // 32 bit integer depth input
 
    double double_radius = NAN; // double radius input
    double double_height = NAN; // double height input
 
    // Output variables
    uint32_t int_expected = 0; // 32 bit integer expected output
    uint32_t int_volume = 0;   // 32 bit integer output
 
    double double_expected = NAN; // double expected output
    double double_volume = NAN;   // double output
 
    // 1st test
    int_length = 5;
    int_expected = 125;
    int_volume = math::cube_volume(int_length);
 
    std::cout << "VOLUME OF A CUBE" << std::endl;
    std::cout << "Input Length: " << int_length << std::endl;
    std::cout << "Expected Output: " << int_expected << std::endl;
    std::cout << "Output: " << int_volume << std::endl;
    assert(int_volume == int_expected);
    std::cout << "TEST PASSED" << std::endl << std::endl;
 
    // 2nd test
    int_length = 4;
    int_width = 3;
    int_height = 5;
    int_expected = 60;
    int_volume = math::rect_prism_volume(int_length, int_width, int_height);
 
    std::cout << "VOLUME OF A RECTANGULAR PRISM" << std::endl;
    std::cout << "Input Length: " << int_length << std::endl;
    std::cout << "Input Width: " << int_width << std::endl;
    std::cout << "Input Height: " << int_height << std::endl;
    std::cout << "Expected Output: " << int_expected << std::endl;
    std::cout << "Output: " << int_volume << std::endl;
    assert(int_volume == int_expected);
    std::cout << "TEST PASSED" << std::endl << std::endl;
 
    // 3rd test
    double_radius = 5;
    double_height = 7;
    double_expected = 183.16666666666666;  // truncated to 14 decimal places
    double_volume = math::cone_volume(double_radius, double_height);
 
    std::cout << "VOLUME OF A CONE" << std::endl;
    std::cout << "Input Radius: " << double_radius << std::endl;
    std::cout << "Input Height: " << double_height << std::endl;
    std::cout << "Expected Output: " << double_expected << std::endl;
    std::cout << "Output: " << double_volume << std::endl;
    assert(double_volume == double_expected);
    std::cout << "TEST PASSED" << std::endl << std::endl;
 
    // 4th test
    int_base = 3;
    int_height = 4;
    int_depth = 5;
    int_expected = 30;
    int_volume = math::triangle_prism_volume(int_base, int_height, int_depth);
 
    std::cout << "VOLUME OF A TRIANGULAR PRISM" << std::endl;
    std::cout << "Input Base: " << int_base << std::endl;
    std::cout << "Input Height: " << int_height << std::endl;
    std::cout << "Input Depth: " << int_depth << std::endl;
    std::cout << "Expected Output: " << int_expected << std::endl;
    std::cout << "Output: " << int_volume << std::endl;
    assert(int_volume == int_expected);
    std::cout << "TEST PASSED" << std::endl << std::endl;
 
    // 5th test
    int_length = 10;
    int_width = 3;
    int_height = 5;
    int_expected = 50;
    int_volume = math::pyramid_volume(int_length, int_width, int_height);
 
    std::cout << "VOLUME OF A PYRAMID" << std::endl;
    std::cout << "Input Length: " << int_length << std::endl;
    std::cout << "Input Width: " << int_width << std::endl;
    std::cout << "Input Height: " << int_height << std::endl;
    std::cout << "Expected Output: " << int_expected << std::endl;
    std::cout << "Output: " << int_volume << std::endl;
    assert(int_volume == int_expected);
    std::cout << "TEST PASSED" << std::endl << std::endl;
 
    // 6th test
    double_radius = 3;
    double_expected = 113.04;
    double_volume = math::sphere_volume(double_radius);
 
    std::cout << "VOLUME OF A SPHERE" << std::endl;
    std::cout << "Input Radius: " << double_radius << std::endl;
    std::cout << "Expected Output: " << double_expected << std::endl;
    std::cout << "Output: " << double_volume << std::endl;
    assert(double_volume == double_expected);
    std::cout << "TEST PASSED" << std::endl << std::endl;
 
    // 7th test
    double_radius = 5;
    double_height = 2;
    double_expected = 157;
    double_volume = math::cylinder_volume(double_radius, double_height);
 
    std::cout << "VOLUME OF A CYLINDER" << std::endl;
    std::cout << "Input Radius: " << double_radius << std::endl;
    std::cout << "Input Height: " << double_height << std::endl;
    std::cout << "Expected Output: " << double_expected << std::endl;
    std::cout << "Output: " << double_volume << std::endl;
    assert(double_volume == double_expected);
    std::cout << "TEST PASSED" << std::endl << std::endl;
}

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