Short & Float

Lab1/Lab1.cpp

@@ -0,0 +1,255 @@
+#include <iostream>
+
+bool bit[32], r, command;
+float f;
+short int in;
+unsigned short num;
+unsigned short k[32];
+const short int MAX_S = 32767;
+const float MAX_F = 340282346638528859811704183484516925440.000000;
+
+union type {
+    float f;
+    int I;
+};
+
+void outBitShort() {
+    std::cout << "Number representation " << in << " in IEEE Format: ";
+    for (int i = 0; i < 16; i++)
+        std::cout << bit[i];
+    std::cout << std::endl;
+}
+
+void outBitFloat() {
+    std::cout << "Number representation  " << f << " in IEEE Format: ";
+    for (int i = 0; i < 32; i++)
+        std::cout << bit[i];
+    std::cout << std::endl;
+}
+
+void checkNumFloat() {
+    while (num > 31) {
+        std::cin.clear();
+        std::cin.ignore(MAX_S, '\n');
+        std::cout << "Incorrect entry of the number of bits, the required number is from 0 to 31. Try again. \n";
+        std::cout << "The number of bits you don't want to invert: ";
+        std::cin >> num;
+    }
+}
+
+void checkNumShort() {
+    while (num > 15) {
+        std::cin.clear();
+        std::cin.ignore(MAX_S, '\n');
+        std::cout << "Incorrect entry of the number of bits, the required number is from 0 to 15. Try again. \n";
+        std::cout << "The number of bits you don't want to invert: ";
+        std::cin >> num;
+    }
+}
+
+void suffix(int t) {
+    if (t + 1 == 1)
+        std::cout << t + 1 << "st bit you don't want to invert:  ";
+    else if (t + 1 == 2)
+        std::cout << t + 1 << "nd bit you don't want to invert:  ";
+    else if(t + 1 == 3)
+        std::cout << t + 1 << "rd bit you don't want to invert:  ";
+    else
+        std::cout << t + 1 << "th bit you don't want to invert:";
+}
+
+void notReverseCheck(long long t, unsigned short k[], unsigned short l) {
+    while (k[t] > l) {
+        std::cout << "incorrect bit input format, required input range is from 1 to  " << l << ". Try again. \n";
+        std::cout << "Re-enter: ";
+        std::cin >> k[t];
+    }
+}
+
+bool floatToBit(float f) {
+    type data;
+    data.f = f;
+    for (int i = 0; i < 32; i++)
+        bit[i] = (data.I >> (32 - i - 1) & 1);
+    outBitFloat();
+    return bit;
+}
+
+bool shortToBit(short input) {
+    for (int i = 0; i < 16; i++)
+        bit[i] = ((input >> (16 - i - 1)) & 1);
+    outBitShort();
+    return bit;
+}
+
+unsigned short* prepareToReverseFloat() {
+    std::cout << "The number of bits you don't want to invert:  ";
+    std::cin >> num;
+    checkNumFloat();
+    for (int t = 0; t < num; t++) {
+        suffix(t);
+        std::cin >> k[t];
+        notReverseCheck(t, k, 31);
+    }
+    return k;
+}
+
+unsigned short* prepareToReverseShort() {
+    std::cout << "The number of bits you don't want to invert:  ";
+    std::cin >> num;
+    checkNumShort();
+    for (int t = 0; t < num; t++) {
+        suffix(t);
+        std::cin >> k[t];
+        notReverseCheck(t, k, 15);
+    }
+    return k;
+}
+
+void outRevFloat() {
+    std::cout << "Inverse bit value of a number  " << f << ":\n";
+    std::cout << "--------------------------------------------\n";
+    std::cout << "| S[] |   P[]   |            M[]           |\n";
+    std::cout << "--------------------------------------------\n";
+    for (int i = 0; i < 32; i++){
+        if( i == 0){
+            std::cout << "|  ";
+            std::cout << bit[i];
+            std::cout << "  |";
+        }
+        else if (i < 8){
+            if(i == 1)
+                std::cout << " ";
+            std::cout << bit[i];
+            if (i == 7)
+                std::cout << " |";
+        }
+        else{
+            if(i == 8)
+                std::cout << " ";
+            std::cout << bit[i];
+            if(i == 31)
+                std::cout << " |\n";
+        }
+    }
+    std::cout << "--------------------------------------------\n";
+}
+
+void outRevShort() {
+    std::cout << "Inverse bit value of a number  " << in << ":\n";
+    std::cout << "-----------------------------------------\n";
+    std::cout << "| S[] |             P[]                 |\n";
+    std::cout << "-----------------------------------------\n";
+    for (int i = 0; i < 16; i++){
+        if(i == 0){
+            std::cout << "|  ";
+            std::cout << bit[i];
+            std::cout << "  |";
+        }
+        else{
+            if(i == 1)
+                std::cout << "        ";
+            std::cout << bit[i];
+            if(i == 15)
+                std::cout << "          |\n";
+        }
+    }
+    std::cout << "-----------------------------------------\n";
+}
+
+bool reverseFloat() {
+    floatToBit(f);
+    prepareToReverseFloat();
+    for (int i = 0; i < 32; i++)
+        for (int j = 0; j < num; j++)
+            if (i != 32 - k[j])
+                bit[i] = (bit[i] == 1) ? 0 : 1;
+    outRevFloat();
+    return bit;
+}
+
+
+bool reverseShort() {
+    shortToBit(in);
+    prepareToReverseShort();
+    for (int i = 0; i < 16; i++)
+        for (int j = 0; j < num; j++)
+            if (i != 16 - k[j])
+                bit[i] =  (bit[i] == 1) ? 0 : 1;
+    outRevShort();
+    return bit;
+}
+
+void firstCase() {
+    std::cout << "Enter a number in float format: ";
+    std::cin >> f;
+    while (std::cin.fail()) {
+        std::cin.clear();
+        std::cin.ignore(MAX_F, '\n');
+        std::cout << "The selected number is not in the specified range float(" << MAX_F * (-1) - 1 << " -- " << MAX_F << "). Try again.\n";
+        std::cout << "Enter a number in float format: ";
+        std::cin >> f;
+    }
+    reverseFloat();
+}
+
+void secondCase() {
+    std::cout << "Enter a number in short int format: ";
+    std::cin >> in;
+    while (std::cin.fail()) {
+        std::cin.clear();
+        std::cin.ignore(MAX_S, '\n');
+        std::cout << "The selected number is not in the specified range short ( " << MAX_S * (-1) - 1 << " -- " << MAX_S << "). Try again. \n";
+        std::cout << "Enter a number in short int format: ";
+        std::cin >> in;
+    }
+    reverseShort();
+}
+
+void error() {
+    std::cout << "Invalid data selection entry. \n";
+    std::cout << std::endl;
+}
+
+void outputRepeat(){
+    std::cout << "Select the number of which data type you want to invert the values: \n";
+    std::cout << "0 -- float;\n";
+    std::cout << "1 -- short int;\n";
+    std::cout << "Input: ";
+    std::cin >> command;
+}
+
+void output() {
+    outputRepeat();
+    while (std::cin.fail()) {
+        std::cin.clear();
+        std::cin.ignore(1, '\n');
+        error();
+        outputRepeat();
+    }
+}
+
+void loop() {
+    std::cout << "Do you want to continue? Yes - 1; No - 0: ";
+    std::cout << std::endl;
+    std::cin >> r;
+    while (std::cin.fail()) {
+        std::cin.clear();
+        std::cin.ignore(1, '\n');
+        r = 0;
+    }
+    std::cout << std::endl;
+}
+
+void body(){
+    do {
+        output();
+        command == 0 ? firstCase() : (command == 1) ? secondCase() : error();
+        loop();
+    } while (r == 1);
+    std::cout << "Thanks for using the program! \n";
+}
+
+int main() {
+    body();
+}