d06 ex00 fini
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@@ -13,10 +13,6 @@ void fromChar(char c) {
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std::cout << std::setw(7) << std::left << "double" << B_CYAN << d << RESET "\n";
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}
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char toChar(std::string str) {
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return str[0];
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}
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bool isChar(std::string str) {
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if (str.length() != 1 || isdigit(str[0]))
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return false;
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@@ -25,15 +21,12 @@ bool isChar(std::string str) {
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bool checkChar(std::string str) {
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char c;
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std::cout << "char\n";
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if (str.length() != 1 || isdigit(str[0]))
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return false;
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c = str[0];
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c = toChar(str);
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std::cout << B_YELLOW << str << RESET " is a char"
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<< " of value "
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<< B_CYAN << c << RESET << "\n";
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std::cout << B_CYAN << c << B_YELLOW " char" RESET "\n";
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fromChar(c);
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return true;
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@@ -1,63 +1,65 @@
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#include "convert.h"
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void fromDouble(double d) {
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char c;
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int i;
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float f;
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void fromDouble(double value) {
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// char
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std::cout << std::setw(7) << std::left << "char";
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if (value < 0 || value > std::numeric_limits<char>::max())
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std::cout << B_RED << "impossible" << RESET "\n";
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else if (!isprint(value))
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std::cout << B_RED << "non displayable" << RESET "\n";
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else
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std::cout << B_CYAN << static_cast<char>(value) << RESET "\n";
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c = static_cast<char>(d);
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std::cout << std::setw(7) << std::left << "char" << B_CYAN << c << RESET "\n";
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i = static_cast<int>(d);
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std::cout << std::setw(7) << std::left << "int" << B_CYAN << i << RESET "\n";
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f = static_cast<float>(d);
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std::cout << std::setw(7) << std::left << "float" << B_CYAN << f << RESET "\n";
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// int
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std::cout << std::setw(7) << std::left << "int";
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if (value < std::numeric_limits<int>::min()
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|| value > std::numeric_limits<int>::max() )
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std::cout << B_RED << "impossible" << RESET "\n";
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else
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std::cout << B_CYAN << static_cast<int>(value) << RESET "\n";
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// float
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std::cout << std::setw(7) << std::left << "float";
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if (value < std::numeric_limits<float>::min()
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|| value > std::numeric_limits<float>::max() )
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std::cout << B_RED << "impossible" << RESET "\n";
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else
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std::cout << B_CYAN << static_cast<double>(value) << RESET "\n";
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}
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//Char toChar(str) {
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// char c;
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// std::istringstream(str) >> c;
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// return c;
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//}
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bool isDouble(std::string str) {
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size_t l;
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std::string neg = "";
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if (str[0] == '-')
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neg = "-";
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size_t l;
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if (str[0] == '+' || str[0] == '-')
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str.erase(str.begin());
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if (!str.length())
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if (str.length() == 0)
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return false;
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if (!str.compare("inf") || !str.compare("nan"))
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return true;
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l = str.find_first_not_of("0123456789");
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if (l == std::string::npos || str[l] != '.')
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if (l == std::string::npos || str[l] != '.' || l > DOUBLE_MAX_LENGTH)
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return false;
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str.erase(0,l + 1);
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if (str.find_first_not_of("0123456789") != std::string::npos)
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if (str.find_first_not_of("0123456789", l + 1) != std::string::npos)
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return false;
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if (l < DOUBLE_MAX_LENGTH)
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return true;
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if (str.compare(0, l, MAX_DOUBLE) > 0)
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return false;
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str.insert(0, neg);
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strtod(str.c_str(), NULL);
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if (errno == ERANGE)
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return false;
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return true;
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}
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bool checkDouble(std::string str) {
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// double d;
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std::cout << "double\n";
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double d;
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if (!isDouble(str))
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return false;
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// d = toDouble(str);
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// std::cout << "double"RESET" equal to : "B_CYAN << d << RESET << "\n";
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// fromDouble(d);
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std::istringstream(str) >> d;
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std::cout << B_CYAN << d << B_YELLOW " double" RESET "\n";
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fromDouble(d);
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return true;
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}
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@@ -1,50 +1,61 @@
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#include "convert.h"
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//Char toChar(str) {
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//
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//}
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void fromFloat(float value) {
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// char
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std::cout << std::setw(7) << std::left << "char";
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if (value < 0 || value > std::numeric_limits<char>::max())
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std::cout << B_RED << "impossible" << RESET "\n";
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else if (!isprint(value))
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std::cout << B_RED << "non displayable" << RESET "\n";
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else
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std::cout << B_CYAN << static_cast<char>(value) << RESET "\n";
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// int
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std::cout << std::setw(7) << std::left << "int";
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if (value < std::numeric_limits<int>::min()
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|| value > std::numeric_limits<int>::max() )
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std::cout << B_RED << "impossible" << RESET "\n";
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else
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std::cout << B_CYAN << static_cast<int>(value) << RESET "\n";
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// double
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std::cout << std::setw(7) << std::left << "double";
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std::cout << B_CYAN << static_cast<double>(value) << RESET "\n";
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}
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bool isFloat(std::string str) {
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size_t l;
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// std::string float_xtrem = MAX_FLOAT;
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size_t l2;
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if (str[0] == '+' || str[0] == '-')
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str.erase(str.begin());
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// if (str.length() == 0 || str.length() > FLOAT_MAX_LENGTH)
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if (str.length() == 0)
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return false;
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if (!str.compare("inff") || !str.compare("nanf"))
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return true;
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l = str.find_first_not_of("0123456789");
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if (l == std::string::npos || str[l] != '.')
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if (l == std::string::npos || str[l] != '.' || l > FLOAT_MAX_LENGTH)
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return false;
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str.erase(0,l + 1);
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l = str.find_first_not_of("0123456789");
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if (l == std::string::npos || str[l] != 'f')
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l2 = str.find_first_not_of("0123456789", l + 1);
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if (l2 == std::string::npos || l2 != str.length() - 1 || str[l2] != 'f')
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return false;
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if (l < FLOAT_MAX_LENGTH)
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return true;
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if (str.compare(0, l, MAX_FLOAT) > 0)
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return false;
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// to work, one should check the decimal and the integer part
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// str.erase(str.end() - 1);
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// if (str.length() < FLOAT_MAX_LENGTH)
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// return true;
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// if (str.compare(float_xtrem) > 0)
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// return false;
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return true;
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}
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bool checkFloat(std::string str) {
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// float f;
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std::cout << "float\n";
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float f;
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if (!isFloat(str))
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return false;
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// f = toFloat(str);
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// std::cout << "float"RESET" equal to : "B_CYAN << f << RESET << "\n";
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// fromFloat(f);
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std::istringstream(str) >> f;
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std::cout << B_CYAN << f << B_YELLOW " float" RESET "\n";
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fromFloat(f);
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return true;
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}
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@@ -1,8 +1,23 @@
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#include "convert.h"
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//Char toInt(str) {
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//
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//}
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void fromInt(int value) {
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// char
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std::cout << std::setw(7) << std::left << "char";
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if (value < 0 || value > std::numeric_limits<char>::max())
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std::cout << B_RED << "impossible" << RESET "\n";
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else if (!isprint(value))
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std::cout << B_RED << "non displayable" << RESET "\n";
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else
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std::cout << B_CYAN << static_cast<char>(value) << RESET "\n";
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// float
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std::cout << std::setw(7) << std::left << "float" << B_CYAN
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<< static_cast<float>(value) << RESET "\n";
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// double
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std::cout << std::setw(7) << std::left << "double" << B_CYAN
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<< static_cast<double>(value) << RESET "\n";
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}
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bool isInt(std::string str) {
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std::string int_xtrem = MAX_INT;
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@@ -24,17 +39,14 @@ bool isInt(std::string str) {
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}
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bool checkInt(std::string str) {
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// int i;
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std::cout << "int\n";
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int i;
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if (!isInt(str))
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return false;
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// i = toInt(str);
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// std::cout << "int"RESET" equal to : "B_CYAN << i << RESET << "\n";
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// fromInt(i);
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std::istringstream(str) >> i;
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std::cout << B_CYAN << i << B_YELLOW " int" RESET "\n";
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fromInt(i);
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return true;
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}
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@@ -2,27 +2,21 @@
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#include <string>
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#include "convert.h"
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bool isElse(std::string str) {
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std::cout << B_RED << str << CYAN " is not valid type for this exercise" RESET "\n";
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return true;
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}
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bool (*checkFunc[])(std::string str) =
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{
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checkChar,
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checkInt,
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checkFloat,
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checkDouble,
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isElse
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};
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void convert(std::string str) {
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std::cout << B_BLUE << str << RESET "\n";
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std::cout << "\n" B_BLUE << str << RESET "\n";
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int size = sizeof(checkFunc) / sizeof(checkFunc[0]);
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for (int it = 0; it < size; it++)
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if ((*checkFunc[it])(str))
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break;
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std::cout << "\n";
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return ;
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std::cout << B_RED "is not valid type for this exercise" RESET "\n";
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}
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