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Merge pull request #1 from Chau-Nguyen-Developer/readFile
Read file and do calculations.
2 parents a6d3259 + 749015a commit 7eefadc

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‎.vscode/c_cpp_properties.json‎

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{
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"configurations": [
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{
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"name": "windows-gcc-x64",
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"includePath": [
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"${workspaceFolder}/**"
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],
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"compilerPath": "gcc",
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"cStandard": "${default}",
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"cppStandard": "${default}",
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"intelliSenseMode": "windows-gcc-x64",
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"compilerArgs": [
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""
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]
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}
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],
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"version": 4
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}

‎.vscode/launch.json‎

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{
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"version": "0.2.0",
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"configurations": [
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{
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"name": "C/C++ Runner: Debug Session",
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"type": "cppdbg",
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"request": "launch",
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"args": [],
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"stopAtEntry": false,
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"externalConsole": true,
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"cwd": "c:/Users/DellC/OneDrive - Cal Poly Pomona/CPP Spring 2025/Numerical Method/Programming 4/Blue VS Code",
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"program": "c:/Users/DellC/OneDrive - Cal Poly Pomona/CPP Spring 2025/Numerical Method/Programming 4/Blue VS Code/build/Debug/outDebug",
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"MIMode": "gdb",
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"miDebuggerPath": "gdb",
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"setupCommands": [
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{
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"description": "Enable pretty-printing for gdb",
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"text": "-enable-pretty-printing",
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"ignoreFailures": true
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}
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]
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}
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]
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}

‎.vscode/settings.json‎

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{
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"C_Cpp_Runner.cCompilerPath": "gcc",
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"C_Cpp_Runner.cppCompilerPath": "g++",
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"C_Cpp_Runner.debuggerPath": "gdb",
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"C_Cpp_Runner.cStandard": "",
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"C_Cpp_Runner.cppStandard": "",
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"C_Cpp_Runner.msvcBatchPath": "C:/Program Files/Microsoft Visual Studio/2022/Community/VC/Auxiliary/Build/vcvarsall.bat",
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"C_Cpp_Runner.useMsvc": false,
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"C_Cpp_Runner.warnings": [
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"-Wall",
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"-Wextra",
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"-Wpedantic",
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"-Wshadow",
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"-Wformat=2",
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"-Wcast-align",
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"-Wconversion",
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"-Wsign-conversion",
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"-Wnull-dereference"
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],
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"C_Cpp_Runner.msvcWarnings": [
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"/W4",
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"/permissive-",
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"/w14242",
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"/w14287",
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"/w14296",
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"/w14311",
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"/w14826",
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"/w44062",
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"/w44242",
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"/w14905",
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"/w14906",
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"/w14263",
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"/w44265",
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"/w14928"
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],
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"C_Cpp_Runner.enableWarnings": true,
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"C_Cpp_Runner.warningsAsError": false,
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"C_Cpp_Runner.compilerArgs": [],
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"C_Cpp_Runner.linkerArgs": [],
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"C_Cpp_Runner.includePaths": [],
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"C_Cpp_Runner.includeSearch": [
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"*",
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"**/*"
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],
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"C_Cpp_Runner.excludeSearch": [
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"**/build",
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"**/build/**",
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"**/.*",
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"**/.*/**",
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"**/.vscode",
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"**/.vscode/**"
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],
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"C_Cpp_Runner.useAddressSanitizer": false,
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"C_Cpp_Runner.useUndefinedSanitizer": false,
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"C_Cpp_Runner.useLeakSanitizer": false,
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"C_Cpp_Runner.showCompilationTime": false,
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"C_Cpp_Runner.useLinkTimeOptimization": false,
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"C_Cpp_Runner.msvcSecureNoWarnings": false,
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"files.associations": {
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"atomic": "cpp",
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"bit": "cpp",
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"cctype": "cpp",
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"charconv": "cpp",
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"clocale": "cpp",
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"cmath": "cpp",
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"compare": "cpp",
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"concepts": "cpp",
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"cstddef": "cpp",
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"cstdint": "cpp",
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"cstdio": "cpp",
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"cstdlib": "cpp",
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"cstring": "cpp",
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"ctime": "cpp",
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"cwchar": "cpp",
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"exception": "cpp",
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"format": "cpp",
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"fstream": "cpp",
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"initializer_list": "cpp",
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"ios": "cpp",
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"iosfwd": "cpp",
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"iostream": "cpp",
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"istream": "cpp",
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"iterator": "cpp",
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"limits": "cpp",
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"locale": "cpp",
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"memory": "cpp",
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"new": "cpp",
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"ostream": "cpp",
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"sstream": "cpp",
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"stdexcept": "cpp",
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"streambuf": "cpp",
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"string": "cpp",
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"system_error": "cpp",
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"tuple": "cpp",
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"type_traits": "cpp",
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"typeinfo": "cpp",
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"utility": "cpp",
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"vector": "cpp",
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"xfacet": "cpp",
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"xiosbase": "cpp",
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"xlocale": "cpp",
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"xlocbuf": "cpp",
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"xlocinfo": "cpp",
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"xlocmes": "cpp",
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"xlocmon": "cpp",
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"xlocnum": "cpp",
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"xloctime": "cpp",
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"xmemory": "cpp",
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"xstring": "cpp",
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"xtr1common": "cpp",
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"xutility": "cpp"
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}
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}

‎input.txt‎

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1 1.5 0 2
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3 3.25 3 1.67

‎programming4.cpp‎

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//PROGRAMMER: Ngoc Chau Nguyen
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//DATE: 2025-04-23
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//DESCRIPTION: This program is a simple C++ program that prints "Hello, World!" to the console.
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//ASSISTANT: CHAT GPT and classmate Jasper Liu
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#include <iostream> //do I need it?
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#include <fstream>
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#include <sstream> //string stream -- allows me to treat a string as if it is a stream
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#include <vector>
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int main()
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{
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//Read two lines of numbers in input.txt and store them into two vectors
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//std::ifstream -- standard input file stream. Read data from a file.
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std::ifstream inputFile("input.txt");
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std::string line;
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std::vector<double> vector1;
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std::vector<double> vector2;
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if(inputFile.is_open())
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{
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//Read the first line into first vector.
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//(Use while loop if want to read continuously)
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if(std::getline(inputFile, line))
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//getline function reads an entire line of text from a stream
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//(in this case, that stream is inputFile)
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{
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std::stringstream ss(line); //treat string like a stream. Able to extract tokens using >>.
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double number;
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while(ss >> number)
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{
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vector1.push_back(number);
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}
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}
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//Read the second line //A few thought: maybe create a separate function to read each line
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if(std::getline(inputFile, line))
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{
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std::stringstream ss(line);
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double number;
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while(ss >> number)
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{
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vector2.push_back(number);
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}
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}
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inputFile.close(); //closes the file
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}
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else
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{
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std::cout << "File could not be opened!" << std::endl;
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}
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//Print out vectors to check.
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std::cout << "x f[] f[,] f[, ,]" << std::endl;
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for(size_t i = 0; i < vector1.size(); ++i)
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{
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std::cout << vector1[i] << " " << vector2[i] << std::endl;
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}
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std::vector<double> vector3;
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std::cout << "This is vector 3" << std::endl;
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for(size_t i = 1; i < vector1.size(); ++i)
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{
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std::cout << (vector2[i] - vector2[i-1]) / (vector1[i] - vector1[i-1]) << std::endl;
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}
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std::vector<double> vector4;
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std::cout << "This is vector 4" << std::endl;
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std::cout <<"print out"<< std::endl;
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for(size_t i = 1; i < vector3.size(); ++i)
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{
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std::cout << (vector3[i] - vector3[i-1]) / (vector1[i+1] - vector1[i-1]) << std::endl;
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}
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return 0;
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}

‎programming4.exe‎

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‎programming4.obj‎

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