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2 changed files with 162 additions and 130 deletions
24
Makefile
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24
Makefile
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@ -0,0 +1,24 @@
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TARGET = L1A
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SRC_FILES = main.cpp
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# NO EDITS BELOW THIS LINE
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CXX = g++
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OBJECTS = $(SRC_FILES:.cpp=.o)
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ifeq ($(shell echo "Windows"), "Windows")
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TARGET := $(TARGET).exe
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DEL = del
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else
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DEL = rm -f
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endif
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all: $(TARGET)
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$(TARGET): $(OBJECTS)
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$(CXX) -std=c++17 -o $@ $^
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%.o: %.cpp
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$(CXX) -std=c++17 -o $@ -c $<
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clean:
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$(DEL) $(TARGET) $(OBJECTS)
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68
main.cpp
68
main.cpp
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@ -1,8 +1,13 @@
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/* CSCI 200: Lab XX (_INSERT_LAB_HERE_): XXXX (_GIVE_BRIEF_DESCRIPTION_HERE_)
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/* CSCI 200: Lab 1A (Math Equation Solver): Tyler Beckman
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*
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* Author: XXXX (_INSERT_YOUR_NAME_HERE_)
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* Author: Tyler Beckman
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*
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* More complete description here...
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* A C++ program to interactively solve 10 different mathmatical equations,
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* using the appropriate constants where relevant. I decided to implement all 10
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* rather than just 2 because it sounded interesting and I wanted to challenge
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* myself. It also will keep prompting for the equation to solve until you
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* explicitly respond with a 0 or CTRL+C it, rather than just exit once the
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* equation is calculated.
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*/
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#include <iostream>
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@ -10,7 +15,7 @@
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double const MOLAR_GAS_CONSTANT = 8.314'462'618'153'24;
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double const GRAVITATIONAL_CONSTANT = 0.000'000'000'066'740'8;
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double const SPHERE_VOLUME = 4.0 / 3;
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double const SPHERE_VOLUME_RATIO = 4.0 / 3;
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double const VACUUM_PERMITTIVITY = 0.000'000'000'008'854'187'818'8;
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double ideal_gas_law(double moles, double gas_absolute_temperature,
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@ -38,7 +43,7 @@ double pythagorean_theorem(double x, double y) {
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}
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double sphere_volume(double radius) {
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return SPHERE_VOLUME * M_PI * std::pow(radius, 3);
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return SPHERE_VOLUME_RATIO * M_PI * std::pow(radius, 3);
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}
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double deflection(double weight, double length, double elasticity_modulus,
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@ -56,8 +61,7 @@ double stress(double force, double area) { return force / area; }
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double shear_stress(double sigma_x, double sigma_y, double tau_xy,
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double theta) {
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return -0.5 * (sigma_x - sigma_y) * sin(2 * theta) +
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tau_xy * cos(2 * theta);
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return -0.5 * (sigma_x - sigma_y) * sin(2 * theta) + tau_xy * cos(2 * theta);
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}
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double coulombs_law(double charge_1, double charge_2,
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@ -74,9 +78,13 @@ double input_double(std::string prompt) {
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std::cin >> out;
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if (std::cin.fail()) {
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// The clear and ignore are necessary because otherwise it seems to keep
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// reusing the first input a person enters
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std::cin.clear();
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std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
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std::cout << "Invalid number, Please try again" << std::endl;
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std::cout << "Invalid number, please make sure your number is formatted "
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"correctly."
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<< std::endl;
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} else {
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break;
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}
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@ -99,84 +107,84 @@ int main() {
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<< "[9] Stress" << std::endl
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<< "[10] Shear Stress" << std::endl
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<< "[11] Coulomb's law" << std::endl;
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int equation =
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int equation_choice =
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input_double("Which equation would you like to calculate?");
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double output;
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double calculated_value;
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switch (equation) {
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switch (equation_choice) {
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case 0:
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return 0;
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case 1:
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output = ideal_gas_law(
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calculated_value = ideal_gas_law(
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input_double("Please enter amount of moles"),
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input_double("Please enter the gas absolute temperate"),
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input_double("Please enter the volume"));
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break;
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case 2:
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output = average_acceleration(
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calculated_value = average_acceleration(
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input_double("Please enter the starting position"),
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input_double("Please enter the ending position"),
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input_double("Please enter the starting time"),
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input_double("Please enter the ending time"));
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break;
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case 3:
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output = ohms_law(input_double("Please input the voltage"),
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calculated_value =
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ohms_law(input_double("Please input the voltage"),
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input_double("Please input the resistance"));
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break;
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case 4:
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output = universal_gravitation(
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calculated_value = universal_gravitation(
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input_double("Please input the mass of object 1"),
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input_double("Please input the mass of object 2"),
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input_double("Please input the distance between objects"));
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break;
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case 5:
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output = pythagorean_theorem(
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input_double("Please input the x distance"),
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calculated_value =
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pythagorean_theorem(input_double("Please input the x distance"),
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input_double("Please input the y distance"));
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break;
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case 6:
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output = sphere_volume(
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input_double("Please input the sphere radius"));
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calculated_value =
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sphere_volume(input_double("Please input the sphere radius"));
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break;
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case 7:
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output = deflection(
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input_double("Please input the force of weight"),
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calculated_value =
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deflection(input_double("Please input the force of weight"),
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input_double("Please input the length"),
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input_double("Please input the elasticity modulus"),
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input_double("Please input the moment of inertia"));
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break;
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case 8:
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output = heat_transfer_rate(
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calculated_value = heat_transfer_rate(
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input_double("Please input the transfer coefficient"),
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input_double("Please input the surface area"),
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input_double("Please input the change in temperature"));
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break;
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case 9:
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output =
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calculated_value =
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stress(input_double("Please input the amount of force"),
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input_double("Please input the surface area"));
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break;
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case 10:
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output = shear_stress(input_double("Please enter σ_x"),
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input_double("Please enter σ_y"),
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calculated_value = shear_stress(
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input_double("Please enter σ_x"), input_double("Please enter σ_y"),
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input_double("Please enter τ_xy"),
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input_double("Please enter θ (in radians)"));
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break;
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case 11:
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output = coulombs_law(
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calculated_value = coulombs_law(
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input_double("Please input the first charge"),
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input_double("Please input the second charge"),
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input_double(
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"Please input the relative static permittivity"),
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input_double("Please input the relative static permittivity"),
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input_double("Please input the distance between charges"));
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break;
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default:
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std::cout << "That is not a valid choice. Please try again."
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std::cout << "That is not a valid equation choice. Please try again."
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<< std::endl;
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continue;
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}
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std::cout << "The result of that calculation is: " << output
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std::cout << "The result of that calculation is: " << calculated_value
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<< std::endl;
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}
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}
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