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37 * Implements functions in strconvert.h.
39 * \author Teemu Murtola <teemu.murtola@gmail.com>
40 * \ingroup module_utility
44 #include "strconvert.h"
52 #include "gromacs/utility/cstringutil.h"
53 #include "gromacs/utility/exceptions.h"
60 bool boolFromString(const char* value)
62 if (gmx_strcasecmp(value, "1") == 0 || gmx_strcasecmp(value, "yes") == 0
63 || gmx_strcasecmp(value, "true") == 0)
67 if (gmx_strcasecmp(value, "0") == 0 || gmx_strcasecmp(value, "no") == 0
68 || gmx_strcasecmp(value, "false") == 0)
72 GMX_THROW(InvalidInputError("Invalid value: '" + std::string(value)
73 + "'; supported values are: 1, 0, yes, no, true, false"));
76 int intFromString(const char* str)
79 char* endptr = nullptr;
80 const long int value = std::strtol(str, &endptr, 10);
81 if (errno == ERANGE || value < std::numeric_limits<int>::min()
82 || value > std::numeric_limits<int>::max())
84 GMX_THROW(InvalidInputError("Invalid value: '" + std::string(str)
85 + "'; it causes an integer overflow"));
87 if (str[0] == '\0' || *endptr != '\0')
89 GMX_THROW(InvalidInputError("Invalid value: '" + std::string(str) + "'; expected an integer"));
94 int64_t int64FromString(const char* str)
97 char* endptr = nullptr;
98 const int64_t value = str_to_int64_t(str, &endptr);
101 GMX_THROW(InvalidInputError("Invalid value: '" + std::string(str)
102 + "'; it causes an integer overflow"));
104 if (str[0] == '\0' || *endptr != '\0')
106 GMX_THROW(InvalidInputError("Invalid value: '" + std::string(str) + "'; expected an integer"));
111 float floatFromString(const char* str)
114 char* endptr = nullptr;
115 const double value = std::strtod(str, &endptr);
116 if (errno == ERANGE || value < -std::numeric_limits<float>::max()
117 || value > std::numeric_limits<float>::max())
119 GMX_THROW(InvalidInputError("Invalid value: '" + std::string(str)
120 + "'; it causes an overflow/underflow"));
122 if (str[0] == '\0' || *endptr != '\0')
124 GMX_THROW(InvalidInputError("Invalid value: '" + std::string(str) + "'; expected a number"));
129 double doubleFromString(const char* str)
132 char* endptr = nullptr;
133 const double value = std::strtod(str, &endptr);
136 GMX_THROW(InvalidInputError("Invalid value: '" + std::string(str)
137 + "'; it causes an overflow/underflow"));
139 if (str[0] == '\0' || *endptr != '\0')
141 GMX_THROW(InvalidInputError("Invalid value: '" + std::string(str) + "'; expected a number"));