Detailed Description
Some compilers do not give an implementation of
<limits>
yet. For the code to be portable these macros should be used instead of the corresponding method of
std::numeric_limits
or the corresponding macro defined in
<limits.h>
.
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Defines |
#define | QL_MIN_INTEGER ((std::numeric_limits<QL_INTEGER>::min)()) |
#define | QL_MAX_INTEGER ((std::numeric_limits<QL_INTEGER>::max)()) |
#define | QL_MIN_REAL -((std::numeric_limits<QL_REAL>::max)()) |
#define | QL_MIN_POSITIVE_REAL ((std::numeric_limits<QL_REAL>::min)()) |
#define | QL_MAX_REAL ((std::numeric_limits<QL_REAL>::max)()) |
#define | QL_EPSILON ((std::numeric_limits<QL_REAL>::epsilon)()) |
#define | QL_NULL_INTEGER ((std::numeric_limits<int>::max)()) |
#define | QL_NULL_REAL ((std::numeric_limits<float>::max)()) |
Define Documentation
#define QL_MIN_INTEGER ((std::numeric_limits<QL_INTEGER>::min)()) |
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Defines the value of the largest representable negative integer value |
#define QL_MAX_INTEGER ((std::numeric_limits<QL_INTEGER>::max)()) |
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Defines the value of the largest representable integer value |
#define QL_MIN_REAL -((std::numeric_limits<QL_REAL>::max)()) |
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Defines the value of the largest representable negative floating-point value |
#define QL_MIN_POSITIVE_REAL ((std::numeric_limits<QL_REAL>::min)()) |
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Defines the value of the smallest representable positive double value |
#define QL_MAX_REAL ((std::numeric_limits<QL_REAL>::max)()) |
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Defines the value of the largest representable floating-point value |
#define QL_EPSILON ((std::numeric_limits<QL_REAL>::epsilon)()) |
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Defines the machine precision for operations over doubles |