42/42_INT_09_piscine_cpp
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d06 ex00 fini

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This commit is contained in:
hugogogo
2022-03-08 16:51:12 +01:00
parent 4ee3ae3e7d
commit 315f62eb96
8 changed files with 158 additions and 90 deletions
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74
d06/ex00/srcs/checkDouble.cpp
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@@ -1,63 +1,65 @@
#include "convert.h"
void fromDouble(double d) {
char c;
int i;
float f;
void fromDouble(double value) {
// char
std::cout << std::setw(7) << std::left << "char";
if (value < 0 || value > std::numeric_limits<char>::max())
std::cout << B_RED << "impossible" << RESET "\n";
else if (!isprint(value))
std::cout << B_RED << "non displayable" << RESET "\n";
else
std::cout << B_CYAN << static_cast<char>(value) << RESET "\n";
c = static_cast<char>(d);
std::cout << std::setw(7) << std::left << "char" << B_CYAN << c << RESET "\n";
i = static_cast<int>(d);
std::cout << std::setw(7) << std::left << "int" << B_CYAN << i << RESET "\n";
f = static_cast<float>(d);
std::cout << std::setw(7) << std::left << "float" << B_CYAN << f << RESET "\n";
// int
std::cout << std::setw(7) << std::left << "int";
if (value < std::numeric_limits<int>::min()
|| value > std::numeric_limits<int>::max() )
std::cout << B_RED << "impossible" << RESET "\n";
else
std::cout << B_CYAN << static_cast<int>(value) << RESET "\n";
// float
std::cout << std::setw(7) << std::left << "float";
if (value < std::numeric_limits<float>::min()
|| value > std::numeric_limits<float>::max() )
std::cout << B_RED << "impossible" << RESET "\n";
else
std::cout << B_CYAN << static_cast<double>(value) << RESET "\n";
}
//Char toChar(str) {
// char c;
// std::istringstream(str) >> c;
// return c;
//}
bool isDouble(std::string str) {
size_t l;
std::string neg = "";
if (str[0] == '-')
neg = "-";
size_t l;
if (str[0] == '+' || str[0] == '-')
str.erase(str.begin());
if (!str.length())
if (str.length() == 0)
return false;
if (!str.compare("inf") || !str.compare("nan"))
return true;
l = str.find_first_not_of("0123456789");
if (l == std::string::npos || str[l] != '.')
if (l == std::string::npos || str[l] != '.' || l > DOUBLE_MAX_LENGTH)
return false;
str.erase(0,l + 1);
if (str.find_first_not_of("0123456789") != std::string::npos)
if (str.find_first_not_of("0123456789", l + 1) != std::string::npos)
return false;
if (l < DOUBLE_MAX_LENGTH)
return true;
if (str.compare(0, l, MAX_DOUBLE) > 0)
return false;
str.insert(0, neg);
strtod(str.c_str(), NULL);
if (errno == ERANGE)
return false;
return true;
}
bool checkDouble(std::string str) {
// double d;
std::cout << "double\n";
double d;
if (!isDouble(str))
return false;
// d = toDouble(str);
// std::cout << "double"RESET" equal to : "B_CYAN << d << RESET << "\n";
// fromDouble(d);
std::istringstream(str) >> d;
std::cout << B_CYAN << d << B_YELLOW " double" RESET "\n";
fromDouble(d);
return true;
}