diff options
Diffstat (limited to 'cpp06')
| -rw-r--r-- | cpp06/ex00/Makefile | 4 | ||||
| -rw-r--r-- | cpp06/ex00/main.cpp | 139 | ||||
| -rwxr-xr-x | cpp06/ex00/test.sh | 83 |
3 files changed, 209 insertions, 17 deletions
diff --git a/cpp06/ex00/Makefile b/cpp06/ex00/Makefile index a5cff07..e0de1f1 100644 --- a/cpp06/ex00/Makefile +++ b/cpp06/ex00/Makefile @@ -6,11 +6,11 @@ # By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ # # +#+#+#+#+#+ +#+ # # Created: 2020/04/15 09:59:30 by charles #+# #+# # -# Updated: 2020/04/16 10:53:22 by charles ### ########.fr # +# Updated: 2020/12/13 16:00:15 by charles ### ########.fr # # # # **************************************************************************** # -NAME = scalar_conversion +NAME = convert CXX = clang++ CXXFLAGS = -std=c++98 -Wall -Wextra -Werror diff --git a/cpp06/ex00/main.cpp b/cpp06/ex00/main.cpp index b82c106..a0ef7f8 100644 --- a/cpp06/ex00/main.cpp +++ b/cpp06/ex00/main.cpp @@ -6,31 +6,140 @@ /* By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ */ /* +#+#+#+#+#+ +#+ */ /* Created: 2020/04/16 10:54:10 by charles #+# #+# */ -/* Updated: 2020/11/18 15:53:33 by cacharle ### ########.fr */ +/* Updated: 2020/12/13 17:11:08 by charles ### ########.fr */ /* */ /* ************************************************************************** */ #include <iostream> +#include <iomanip> #include <sstream> #include <string> +#include <cctype> +#include <climits> +#include <cmath> + +bool is_char(std::string input) +{ + return input.length() == 3 && input[0] == '\'' && input[2] == '\''; +} + +bool is_int(std::string input) +{ + if (input[0] == '-' || input[0] == '+') + input = input.substr(1); + for (size_t i = 0; i < input.length(); i++) + if (!isdigit(input[i])) + return false; + return true; +} + +bool is_double(std::string input) +{ + if (input == "nan" || input == "+inf" || input == "-inf") + return true; + if (input[0] == '-' || input[0] == '+') + input = input.substr(1); + if (input.find('.') == std::string::npos || + input.find('.') != input.rfind('.') || + input.find('.') == 0 || + input.find('.') == input.length() - 1) + return false; + for (size_t i = 0; i < input.length(); i++) + { + if (input[i] == '.') + continue; + if (!isdigit(input[i])) + return false; + } + return true; +} + +bool is_float(std::string input) +{ + if (input[input.length() - 1] != 'f') + return false; + if (input.find('.') == std::string::npos) + input.insert(input.length() - 1, ".0"); + return is_double(input.substr(0, input.length() - 1)); +} int main(int argc, char **argv) { - // if (argc != 2) - // { - // std::cerr << "Usage: " << argv[0] << " litteral" << std::endl; - // return 1; - // } - // - // - // std::string s(argv[1]); - // - // if (s.empty()) - // { - // std::cerr << "Cannot be empty" << std::endl; - // return 1; - // } + if (argc != 2) + { + std::cerr << "Usage: " << argv[0] << " litteral" << std::endl; + return 1; + } + std::string s(argv[1]); + if (s.empty()) + { + std::cerr << "Litteral cannot be empty" << std::endl; + return 1; + } + std::cout << std::setprecision(1) << std::fixed; + + double x; + if (is_char(s)) + x = s[1]; + else if (is_int(s)) + { + std::stringstream ss(s); + ss >> x; + } + else if (is_float(s)) + { + if (s == "nanf") + x = NAN; + else if (s == "+inff") + x = INFINITY; + else if (s == "-inff") + x = -INFINITY; + else + { + std::stringstream ss(s.substr(0, s.length() - 1)); + ss >> x; + } + } + else if (is_double(s)) + { + if (s == "nan") + x = NAN; + else if (s == "+inf") + x = INFINITY; + else if (s == "-inf") + x = -INFINITY; + else + { + std::stringstream ss(s); + ss >> x; + } + } + else + { + std::cerr << "Litteral `" << s << "` is not valid" << std::endl; + return 1; + } + + + if (CHAR_MIN <= x && x <= CHAR_MAX && !std::isnan(x) && !std::isinf(x)) + { + char c = static_cast<char>(x); + if (std::isprint(c)) + std::cout << "char: '" << c << "'" << std::endl; + else + std::cout << "char: Non displayable" << std::endl; + } + else + std::cout << "char: impossible" << std::endl; + + + if (INT_MIN <= x && x <= INT_MAX && !std::isnan(x) && !std::isinf(x)) + std::cout << "int: " << static_cast<int>(x) << std::endl; + else + std::cout << "int: impossible" << std::endl; + std::cout << "float: " << static_cast<float>(x) << 'f' << std::endl; + std::cout << "double: " << x << std::endl; return 0; } diff --git a/cpp06/ex00/test.sh b/cpp06/ex00/test.sh new file mode 100755 index 0000000..2ed386d --- /dev/null +++ b/cpp06/ex00/test.sh @@ -0,0 +1,83 @@ +#!/bin/sh + +convert_test () { + echo "$ ./convert $1" + ./convert "$1" + echo '-------------------------------------------------' +} + +convert_test '' +convert_test ' ' +convert_test ' 1' +convert_test '1 ' +convert_test ' 1 ' +convert_test '- 1' + +echo '=================================== CHAR ===================' +convert_test "'a'" +convert_test "'A'" +convert_test "' '" +convert_test "'~'" +convert_test "'.'" +convert_test "'" +convert_test "''" + +echo '=================================== INT ===================' +convert_test 0 +convert_test 5 +convert_test 70 +convert_test -1 +convert_test -0 +convert_test -70 +convert_test +70 +convert_test 2147483647 +convert_test -2147483648 +convert_test 2147483648 +convert_test -2147483649 + +echo '=================================== FLOAT ==================' +convert_test '0.0f' +convert_test '1.0f' +convert_test '0.1f' +convert_test '3333.1f' +convert_test '1.3333f' +convert_test '.f' +convert_test '.1f' +convert_test '1.f' +convert_test '1..1f' +convert_test 'f' +convert_test '0f' +convert_test '1f' +convert_test '33f' +convert_test '-33f' +convert_test '-33.45f' +convert_test '+33f' +convert_test '+33.45f' +convert_test 'inff' +convert_test '+inff' +convert_test '-inff' +convert_test 'nanf' +convert_test '-nanf' + +echo '=================================== DOUBLE ==================' +convert_test '0.0' +convert_test '1.0' +convert_test '0.1' +convert_test '3333.1' +convert_test '1.3333' +convert_test '.' +convert_test '.1' +convert_test '1.' +convert_test '1..1' +convert_test '0' +convert_test '1' +convert_test '33' +convert_test '-33' +convert_test '-33.45' +convert_test '+33' +convert_test '+33.45' +convert_test 'inf' +convert_test '+inf' +convert_test '-inf' +convert_test 'nan' +convert_test '-nan' |