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1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 | /*
*
* Copyright (C) 2014-2017, OFFIS e.V.
* All rights reserved. See COPYRIGHT file for details.
*
* This software and supporting documentation were developed by
*
* OFFIS e.V.
* R&D Division Health
* Escherweg 2
* D-26121 Oldenburg, Germany
*
*
* Module: ofstd
*
* Author: Jan Schlamelcher
*
* Purpose:
* Implementing C++11's numeric limits for old compilers.
*
*/
#ifndef OFLIMITS_H
#define OFLIMITS_H
#include "dcmtk/config/osconfig.h" // make sure OS specific configuration is included first
#include "dcmtk/config/arith.h"
#include "dcmtk/ofstd/oftypes.h"
// include this file in doxygen documentation
/** @file oflimits.h
* @brief Provides an interface to query properties of all fundamental numeric types.
*/
// use native classes if available
#ifdef HAVE_STL_LIMITS
#include <limits>
enum OFfloat_round_style
{
OFround_indeterminate = std::round_indeterminate,
OFround_toward_zero = std::round_toward_zero,
OFround_to_nearest = std::round_to_nearest,
OFround_toward_infinity = std::round_toward_infinity,
OFround_toward_neg_infinity = std::round_toward_neg_infinity
};
enum OFfloat_denorm_style
{
OFdenorm_indeterminate = std::denorm_indeterminate,
OFdenorm_absent = std::denorm_absent,
OFdenorm_present = std::denorm_present
};
#ifdef HAVE_CXX11
template<typename T>
using OFnumeric_limits = std::numeric_limits<T>;
#else // fallback implementation of C++11 features
template<typename T>
struct OFnumeric_limits : std::numeric_limits<T>
{
static const int max_digits10 = 0;
static inline T lowest() { return std::numeric_limits<T>::min(); }
};
template<>
struct OFnumeric_limits<float> : std::numeric_limits<float>
{
static const int max_digits10 = DCMTK_FLOAT_MAX_DIGITS10;
static inline float lowest() { return -std::numeric_limits<float>::max(); }
};
template<>
struct OFnumeric_limits<double> : std::numeric_limits<double>
{
static const int max_digits10 = DCMTK_DOUBLE_MAX_DIGITS10;
static inline double lowest() { return -std::numeric_limits<double>::max(); }
};
#endif // fallback implementation of C++11 features based on std::numeric_limits
#else // fallback implementations entirely without using the native STL
#define INCLUDE_CLIMITS
#define INCLUDE_CFLOAT
#define INCLUDE_CMATH
#include "dcmtk/ofstd/ofstdinc.h"
/** Enumeration constants of type OFfloat_round_style indicate the rounding style
* used by floating-point arithmetics whenever a result of an expression is stored
* in an object of a floating-point type.
*/
enum OFfloat_round_style
{
/// Rounding style cannot be determined
OFround_indeterminate = -1,
/// Rounding toward zero
OFround_toward_zero = 0,
/// Rounding toward nearest representable value
OFround_to_nearest = 1,
/// Rounding toward positive infinity
OFround_toward_infinity = 2,
/// Rounding toward negative infinity
OFround_toward_neg_infinity = 3
};
/** Enumeration constants of type OFfloat_denorm_style indicate support of
* subnormal values by floating-point types.
*/
enum OFfloat_denorm_style
{
/// Support of subnormal values cannot be determined
OFdenorm_indeterminate = -1,
/// The type does not support subnormal values
OFdenorm_absent = 0,
/// The type allows subnormal values
OFdenorm_present = 1
};
#ifdef DOXYGEN
/** A meta-template for querying various properties of fundamental types.
* @headerfile oflimits.h "dcmtk/ofstd/oflimits.h"
* @details
* The template OFnumeric_limits provides a standardized way to query various
* properties of fundamental types (e.g. the largest possible value for type
* int is OFnumeric_limits<int>::max()).
* OFnumeric_limits is compatible to C++11's std::numeric_limits.
* @tparam T The type to inspect.
*/
template<typename T>
struct OFnumeric_limits
{
/** <kbd>OFTrue</kbd> for all <i>T</i> for which there exists a
* specialization of <kbd>OFnumeric_limits</kbd>, <kbd>OFFalse</kbd>
* otherwise.
* <h3>C++11 standard definitions used:</h3>
* T | %is_specialized
* ----------------------- | --------------
* <i>non-specialized</i> | <kbd>OFFalse</kbd>
* OFBool | <kbd>OFTrue</kbd>
* char | <kbd>OFTrue</kbd>
* signed char | <kbd>OFTrue</kbd>
* unsigned char | <kbd>OFTrue</kbd>
* signed short | <kbd>OFTrue</kbd>
* unsigned short | <kbd>OFTrue</kbd>
* signed int | <kbd>OFTrue</kbd>
* unsigned int | <kbd>OFTrue</kbd>
* signed long | <kbd>OFTrue</kbd>
* unsigned long | <kbd>OFTrue</kbd>
* float | <kbd>OFTrue</kbd>
* double | <kbd>OFTrue</kbd>
*/
static const OFBool is_specialized;
/** <kbd>OFTrue for all signed arithmetic types <i>T</i> and
* <kbd>OFFalse</kbd> for the unsigned types.
* <h3>C++11 standard definitions used:</h3>
* T | %is_signed
* ----------------------- | --------------
* <i>non-specialized</i> | <kbd>OFFalse</kbd>
* OFBool | <kbd>OFFalse</kbd>
* char | <i>platform / compiler specific</i>
* signed char | <kbd>OFTrue</kbd>
* unsigned char | <kbd>OFFalse</kbd>
* signed short | <kbd>OFTrue</kbd>
* unsigned short | <kbd>OFFalse</kbd>
* signed int | <kbd>OFTrue</kbd>
* unsigned int | <kbd>OFFalse</kbd>
* signed long | <kbd>OFTrue</kbd>
* unsigned long | <kbd>OFFalse</kbd>
* float | <kbd>OFTrue</kbd>
* double | <kbd>OFTrue</kbd>
*/
static const OFBool is_signed;
/** <kbd>OFTrue</kbd> for all integer arithmetic types <i>T</i> and
* <kbd>OFFalse</kbd> otherwise.
* <h3>C++11 standard definitions used:</h3>
* T | %is_integer
* ----------------------- | ----------------------------
* <i>non-specialized</i> | <kbd>OFFalse</kbd>
* OFBool | <kbd>OFTrue</kbd>
* char | <kbd>OFTrue</kbd>
* signed char | <kbd>OFTrue</kbd>
* unsigned char | <kbd>OFTrue</kbd>
* signed short | <kbd>OFTrue</kbd>
* unsigned short | <kbd>OFTrue</kbd>
* signed int | <kbd>OFTrue</kbd>
* unsigned int | <kbd>OFTrue</kbd>
* signed long | <kbd>OFTrue</kbd>
* unsigned long | <kbd>OFTrue</kbd>
* float | <kbd>OFFalse</kbd>
* double | <kbd>OFFalse</kbd>
*/
static const OFBool is_integer;
/** <kbd>OFTrue</kbd> for all arithmetic types <i>T</i> that use exact
* representation.
* @note While all fundamental types <i>T</i> for which
* <kbd>OFnumeric_limits<T>::is_exact == OFTrue</kbd> are integer
* types, a library may define exact types that aren't integers,
* e.g. a rational arithmetics type representing fractions.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %is_exact
* ----------------------- | ----------------------------
* <i>non-specialized</i> | <kbd>OFFalse</kbd>
* OFBool | <kbd>OFTrue</kbd>
* char | <kbd>OFTrue</kbd>
* signed char | <kbd>OFTrue</kbd>
* unsigned char | <kbd>OFTrue</kbd>
* signed short | <kbd>OFTrue</kbd>
* unsigned short | <kbd>OFTrue</kbd>
* signed int | <kbd>OFTrue</kbd>
* unsigned int | <kbd>OFTrue</kbd>
* signed long | <kbd>OFTrue</kbd>
* unsigned long | <kbd>OFTrue</kbd>
* float | <kbd>OFFalse</kbd>
* double | <kbd>OFFalse</kbd>
*/
static const OFBool is_exact;
/** <kbd>OFTrue</kbd> for all types <i>T</i> capable of representing
* the positive infinity as a distinct special value.
* @note This constant is meaningful for all
* floating-point types and is guaranteed to be <kbd>OFTrue</kbd> if
* <kbd>OFnumeric_limits<T>::is_iec559 == OFTrue</kbd>.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %has_infinity
* ----------------------- | ----------------------------
* <i>non-specialized</i> | <kbd>OFFalse</kbd>
* OFBool | <kbd>OFFalse</kbd>
* char | <kbd>OFFalse</kbd>
* signed char | <kbd>OFFalse</kbd>
* unsigned char | <kbd>OFFalse</kbd>
* signed short | <kbd>OFFalse</kbd>
* unsigned short | <kbd>OFFalse</kbd>
* signed int | <kbd>OFFalse</kbd>
* unsigned int | <kbd>OFFalse</kbd>
* signed long | <kbd>OFFalse</kbd>
* unsigned long | <kbd>OFFalse</kbd>
* float | <i>usually</i> <kbd>OFTrue</kbd>
* double | <i>usually</i> <kbd>OFTrue</kbd>
*/
static const OFBool has_infinity;
/** <kbd>OFTrue</kbd> for all types <i>T</i> capable of representing
* the special value <i>Quiet Not-A-Number</i>.
* @note This constant is meaningful for all
* floating-point types and is guaranteed to be <kbd>OFTrue</kbd> if
* <kbd>OFnumeric_limits<T>::is_iec559 == OFTrue</kbd>.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %has_quit_NaN
* ----------------------- | ----------------------------
* <i>non-specialized</i> | <kbd>OFFalse</kbd>
* OFBool | <kbd>OFFalse</kbd>
* char | <kbd>OFFalse</kbd>
* signed char | <kbd>OFFalse</kbd>
* unsigned char | <kbd>OFFalse</kbd>
* signed short | <kbd>OFFalse</kbd>
* unsigned short | <kbd>OFFalse</kbd>
* signed int | <kbd>OFFalse</kbd>
* unsigned int | <kbd>OFFalse</kbd>
* signed long | <kbd>OFFalse</kbd>
* unsigned long | <kbd>OFFalse</kbd>
* float | <i>usually</i> <kbd>OFTrue</kbd>
* double | <i>usually</i> <kbd>OFTrue</kbd>
*/
static const OFBool has_quiet_NaN;
/** <kbd>OFTrue</kbd> for all types <i>T</i> capable of representing
* the special value <i>Signaling Not-A-Number</i>.
* @note This constant is meaningful for all floating-point types
* and is guaranteed to be <kbd>OFTrue</kbd> if
* <kbd>OFnumeric_limits<T>::is_iec559 == OFTrue</kbd>.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %has_signaling_NaN
* ----------------------- | ----------------------------
* <i>non-specialized</i> | <kbd>OFFalse</kbd>
* OFBool | <kbd>OFFalse</kbd>
* char | <kbd>OFFalse</kbd>
* signed char | <kbd>OFFalse</kbd>
* unsigned char | <kbd>OFFalse</kbd>
* signed short | <kbd>OFFalse</kbd>
* unsigned short | <kbd>OFFalse</kbd>
* signed int | <kbd>OFFalse</kbd>
* unsigned int | <kbd>OFFalse</kbd>
* signed long | <kbd>OFFalse</kbd>
* unsigned long | <kbd>OFFalse</kbd>
* float | <i>usually</i> <kbd>OFTrue</kbd>
* double | <i>usually</i> <kbd>OFTrue</kbd>
*/
static const OFBool has_signaling_NaN;
/** Identifies the floating-point types that support <i>subnormal values</i>.
* <h3>C++11 standard definitions used:</h3>
* T | %has_denorm
* ----------------------- | ----------------------------
* <i>non-specialized</i> | <kbd>OFdenorm_absent</kbd>
* OFBool | <kbd>OFdenorm_absent</kbd>
* char | <kbd>OFdenorm_absent</kbd>
* signed char | <kbd>OFdenorm_absent</kbd>
* unsigned char | <kbd>OFdenorm_absent</kbd>
* signed short | <kbd>OFdenorm_absent</kbd>
* unsigned short | <kbd>OFdenorm_absent</kbd>
* signed int | <kbd>OFdenorm_absent</kbd>
* unsigned int | <kbd>OFdenorm_absent</kbd>
* signed long | <kbd>OFdenorm_absent</kbd>
* unsigned long | <kbd>OFdenorm_absent</kbd>
* float | <i>usually</i> <kbd>OFdenorm_present</kbd>
* double | <i>usually</i> <kbd>OFdenorm_present</kbd>
*/
static const OFfloat_denorm_style has_denorm;
/** <kbd>OFTrue</kbd> for all floating-point types <i>T</i> capable of
* distinguishing loss of precision due to denormalization from other
* causes of inexact result.
* @note Standard-compliant IEEE 754 floating-point implementations may
* detect the floating-point underflow at three predefined moments:
* 1. after computation of a result with absolute value smaller than
* <kbd>OFnumeric_limits<T>::min()</kbd>, such implementation detects
* <i>tinyness before rounding</i>.
* 2. after rounding of the result to <kbd>OFnumeric_limits<T>::digits</kbd>
* bits, if the result is tiny, such implementation detects <i>tinyness
* after rounding</i>.
* 3. if the conversion of the rounded tiny result to subnormal form
* resulted in the loss of precision, such implementation detects
* <i>denorm loss</i>.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %has_denorm_loss
* ----------------------- | ----------------------------
* <i>non-specialized</i> | <kbd>OFFalse</kbd>
* OFBool | <kbd>OFFalse</kbd>
* char | <kbd>OFFalse</kbd>
* signed char | <kbd>OFFalse</kbd>
* unsigned char | <kbd>OFFalse</kbd>
* signed short | <kbd>OFFalse</kbd>
* unsigned short | <kbd>OFFalse</kbd>
* signed int | <kbd>OFFalse</kbd>
* unsigned int | <kbd>OFFalse</kbd>
* signed long | <kbd>OFFalse</kbd>
* unsigned long | <kbd>OFFalse</kbd>
* float | <i>platform / compiler specific</i>
* double | <i>platform / compiler specific</i>
*/
static const OFBool has_denorm_loss;
/** Identifies the rounding style used by the floating-point type <i>T</i> whenever
* a value that is not one of the exactly representable values of <i>T</i> is stored
* in an object of that type.
* <h3>C++11 standard definitions used:</h3>
* T | %round_style
* ---------------------- | ----------------------------
* <i>non-specialized</i> | <kbd>OFround_toward_zero</kbd>
* OFBool | <kbd>OFround_toward_zero</kbd>
* char | <kbd>OFround_toward_zero</kbd>
* signed char | <kbd>OFround_toward_zero</kbd>
* unsigned char | <kbd>OFround_toward_zero</kbd>
* signed short | <kbd>OFround_toward_zero</kbd>
* unsigned short | <kbd>OFround_toward_zero</kbd>
* signed int | <kbd>OFround_toward_zero</kbd>
* unsigned int | <kbd>OFround_toward_zero</kbd>
* signed long | <kbd>OFround_toward_zero</kbd>
* unsigned long | <kbd>OFround_toward_zero</kbd>
* float | <i>usually</i> <kbd>OFround_to_nearest</kbd>
* double | <i>usually</i> <kbd>OFround_to_nearest</kbd>
*/
static const OFfloat_round_style round_style;
/** <kbd>OFTrue</kbd> for all floating-point types <i>T</i> which fulfill the
* requirements of IEC 559 (IEEE 754) standard.
* @note If
* <kbd>OFnumeric_limits<T>::is_iec559 == OFTrue</kbd>,
* then <kbd>OFnumeric_limits<T>::has_infinity</kbd>,
* <kbd>OFnumeric_limits<T>::has_quiet_NaN</kbd>, and
* <kbd>OFnumeric_limits<T>::has_signaling_NaN</kbd> are also <kbd>OFTrue</kbd>.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %is_iec559
* ----------------------- | ----------------------------
* <i>non-specialized</i> | <kbd>OFFalse</kbd>
* OFBool | <kbd>OFFalse</kbd>
* char | <kbd>OFFalse</kbd>
* signed char | <kbd>OFFalse</kbd>
* unsigned char | <kbd>OFFalse</kbd>
* signed short | <kbd>OFFalse</kbd>
* unsigned short | <kbd>OFFalse</kbd>
* signed int | <kbd>OFFalse</kbd>
* unsigned int | <kbd>OFFalse</kbd>
* signed long | <kbd>OFFalse</kbd>
* unsigned long | <kbd>OFFalse</kbd>
* float | <i>usually</i> <kbd>OFTrue</kbd>
* double | <i>usually</i> <kbd>OFTrue</kbd>
*/
static const OFBool is_iec559;
/** <kbd>OFTrue</kbd> for all arithmetic types <i>T</i> that represent a
* finite set of values.
* @note While all fundamental types are bounded, this constant would be
* <kbd>OFFalse</kbd> in a specialization of <kbd>OFnumeric_limits</kbd>
* for a library-provided arbitrary precision arithmetic type.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %is_bounded
* ----------------------- | --------------
* <i>non-specialized</i> | <kbd>OFFalse</kbd>
* OFBool | <kbd>OFTrue</kbd>
* char | <kbd>OFTrue</kbd>
* signed char | <kbd>OFTrue</kbd>
* unsigned char | <kbd>OFTrue</kbd>
* signed short | <kbd>OFTrue</kbd>
* unsigned short | <kbd>OFTrue</kbd>
* signed int | <kbd>OFTrue</kbd>
* unsigned int | <kbd>OFTrue</kbd>
* signed long | <kbd>OFTrue</kbd>
* unsigned long | <kbd>OFTrue</kbd>
* float | <kbd>OFTrue</kbd>
* double | <kbd>OFTrue</kbd>
*/
static const OFBool is_bounded;
/** <kbd>OFTrue</kbd> for all arithmetic types <i>T</i> that handle overflows
* with modulo arithmetic, that is, if the result of addition, subtraction,
* multiplication, or division of this type would fall outside the
* range @f$[min(), max()]@f$, the value returned by such operation
* differs from the expected value by a multiple of @f$max()-min() + 1@f$.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %is_modulo
* ----------------------- | --------------
* <i>non-specialized</i> | <kbd>OFFalse</kbd>
* OFBool | <kbd>OFFalse</kbd>
* char | <i>platform / compiler specific</i>
* signed char | <i>platform / compiler specific</i>
* unsigned char | <kbd>OFTrue</kbd>
* signed short | <i>platform / compiler specific</i>
* unsigned short | <kbd>OFTrue</kbd>
* signed int | <i>platform / compiler specific</i>
* unsigned int | <kbd>OFTrue</kbd>
* signed long | <i>platform / compiler specific</i>
* unsigned long | <kbd>OFTrue</kbd>
* float | <kbd>OFFalse</kbd>
* double | <kbd>OFFalse</kbd>
*/
static const OFBool is_modulo;
/** The number of digits in base-radix that can be represented by the
* type <i>T</i> without change. For integer types, this is the
* number of bits not counting the sign bit.
* For floating-point types, this is the number of digits in the
* mantissa.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %digits
* ----------------------- | --------------
* <i>non-specialized</i> | <kbd>0</kbd>
* OFBool | <kbd>1</kbd>
* char | <kbd>is_signed() ? CHAR_BIT : CHAR_BIT - 1</kbd>
* signed char | <kbd>CHAR_BIT - 1</kbd>
* unsigned char | <kbd>CHAR_BIT</kbd>
* signed short | <kbd>CHAR_BIT * sizeof(signed short) - 1</kbd>
* unsigned short | <kbd>CHAR_BIT * sizeof(unsigned short)</kbd>
* signed int | <kbd>CHAR_BIT * sizeof(signed int) - 1</kbd>
* unsigned int | <kbd>CHAR_BIT * sizeof(unsigned int)</kbd>
* signed long | <kbd>CHAR_BIT * sizeof(signed long) - 1</kbd>
* unsigned long | <kbd>CHAR_BIT * sizeof(unsigned long)</kbd>
* float | <kbd>FLT_MANT_DIG</kbd>
* double | <kbd>DBL_MANT_DIG</kbd>
*/
static const int digits;
/** The number of base-10 digits that can be represented by the type <i>T</i>
* without change, that is, any number with this many decimal digits can
* be converted to a value of type <i>T</i> and back to decimal form, without
* change due to rounding or overflow. For base-radix types, it is the
* value of digits (digits-1 for floating-point types) multiplied by
* @f$log_{10}(radix)@f$ and rounded down.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %digits10
* ----------------------- | --------------
* <i>non-specialized</i> | <kbd>0</kbd>
* OFBool | <kbd>0</kbd>
* char | <kbd>@f$digits \cdot log_{10}(2)@f$</kbd>
* signed char | <kbd>@f$digits \cdot log_{10}(2)@f$</kbd>
* unsigned char | <kbd>@f$digits \cdot log_{10}(2)@f$</kbd>
* signed short | <kbd>@f$digits \cdot log_{10}(2)@f$</kbd>
* unsigned short | <kbd>@f$digits \cdot log_{10}(2)@f$</kbd>
* signed int | <kbd>@f$digits \cdot log_{10}(2)@f$</kbd>
* unsigned int | <kbd>@f$digits \cdot log_{10}(2)@f$</kbd>
* signed long | <kbd>@f$digits \cdot log_{10}(2)@f$</kbd>
* unsigned long | <kbd>@f$digits \cdot log_{10}(2)@f$</kbd>
* float | <kbd>FLT_DIG</kbd>
* double | <kbd>DBL_DIG</kbd>
*/
static const int digits10;
/** The number of base-10 digits that are necessary to uniquely
* represent all distinct values of the type <i>T</i>, such as
* necessary for serialization/deserialization to text.
* @note This constant is meaningful for all floating-point
* types.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %max_digits10
* ----------------------- | --------------
* <i>non-specialized</i> | <kbd>0</kbd>
* OFBool | <kbd>0</kbd>
* char | <kbd>0</kbd>
* signed char | <kbd>0</kbd>
* unsigned char | <kbd>0</kbd>
* signed short | <kbd>0</kbd>
* unsigned short | <kbd>0</kbd>
* signed int | <kbd>0</kbd>
* unsigned int | <kbd>0</kbd>
* signed long | <kbd>0</kbd>
* unsigned long | <kbd>0</kbd>
* float | <kbd>@f$\lfloor digits \cdot log_{10}(2) + 2 \rfloor@f$</kbd>
* double | <kbd>@f$\lfloor digits \cdot log_{10}(2) + 2 \rfloor@f$</kbd>
*/
static const int max_digits10;
/** The base of the number system used in the representation of the type.
* It is 2 for all binary numeric types, but it may be, for example,
* 10 for IEEE 754 decimal floating-point types or for third-party
* binary-coded decimal integers. This constant is meaningful for
* all specializations.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %radix
* ----------------------- | --------------
* <i>non-specialized</i> | <kbd>0</kbd>
* OFBool | <kbd>2</kbd>
* char | <kbd>2</kbd>
* signed char | <kbd>2</kbd>
* unsigned char | <kbd>2</kbd>
* signed short | <kbd>2</kbd>
* unsigned short | <kbd>2</kbd>
* signed int | <kbd>2</kbd>
* unsigned int | <kbd>2</kbd>
* signed long | <kbd>2</kbd>
* unsigned long | <kbd>2</kbd>
* float | <kbd>FLT_RADIX</kbd>
* double | <kbd>FLT_RADIX</kbd>
*/
static const int radix;
/** The lowest negative number @f$n@f$ such that @f$radix^{n-1}@f$ is a
* valid normalized value of the floating-point type <i>T</i>.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %min_exponent
* ----------------------- | --------------
* <i>non-specialized</i> | <kbd>0</kbd>
* OFBool | <kbd>0</kbd>
* char | <kbd>0</kbd>
* signed char | <kbd>0</kbd>
* unsigned char | <kbd>0</kbd>
* signed short | <kbd>0</kbd>
* unsigned short | <kbd>0</kbd>
* signed int | <kbd>0</kbd>
* unsigned int | <kbd>0</kbd>
* signed long | <kbd>0</kbd>
* unsigned long | <kbd>0</kbd>
* float | <kbd>FLT_MIN_EXP</kbd>
* double | <kbd>DBL_MIN_EXP</kbd>
*/
static const int min_exponent;
/** The lowest negative number @f$n@f$ such that @f$10^n@f$ is a valid
* normalized value of the floating-point type <i>T</i>.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %min_exponent10
* ----------------------- | --------------
* <i>non-specialized</i> | <kbd>0</kbd>
* OFBool | <kbd>0</kbd>
* char | <kbd>0</kbd>
* signed char | <kbd>0</kbd>
* unsigned char | <kbd>0</kbd>
* signed short | <kbd>0</kbd>
* unsigned short | <kbd>0</kbd>
* signed int | <kbd>0</kbd>
* unsigned int | <kbd>0</kbd>
* signed long | <kbd>0</kbd>
* unsigned long | <kbd>0</kbd>
* float | <kbd>FLT_MIN_10_EXP</kbd>
* double | <kbd>DBL_MIN_10_EXP</kbd>
*/
static const int min_exponent10;
/** The largest positive number @f$n@f$ such that @f$radix^{n-1}@f$ is a
* valid normalized value of the floating-point type <i>T</i>.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %max_exponent
* ----------------------- | --------------
* <i>non-specialized</i> | <kbd>0</kbd>
* OFBool | <kbd>0</kbd>
* char | <kbd>0</kbd>
* signed char | <kbd>0</kbd>
* unsigned char | <kbd>0</kbd>
* signed short | <kbd>0</kbd>
* unsigned short | <kbd>0</kbd>
* signed int | <kbd>0</kbd>
* unsigned int | <kbd>0</kbd>
* signed long | <kbd>0</kbd>
* unsigned long | <kbd>0</kbd>
* float | <kbd>FLT_MAX_EXP</kbd>
* double | <kbd>DBL_MAX_EXP</kbd>
*/
static const int max_exponent;
/** The largest positive number @f$n@f$ such that @f$10^n@f$ is a valid
* normalized value of the floating-point type <i>T</i>.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %max_exponent10
* ----------------------- | --------------
* <i>non-specialized</i> | <kbd>0</kbd>
* OFBool | <kbd>0</kbd>
* char | <kbd>0</kbd>
* signed char | <kbd>0</kbd>
* unsigned char | <kbd>0</kbd>
* signed short | <kbd>0</kbd>
* unsigned short | <kbd>0</kbd>
* signed int | <kbd>0</kbd>
* unsigned int | <kbd>0</kbd>
* signed long | <kbd>0</kbd>
* unsigned long | <kbd>0</kbd>
* float | <kbd>FLT_MAX_10_EXP</kbd>
* double | <kbd>DBL_MAX_10_EXP</kbd>
*/
static const int max_exponent10;
/** <kbd>OFTrue</kbd> for all arithmetic types <i>T</i> that have at least
* one value that, if used as an argument to an arithmetic operation, will
* generate a <i>trap</i>.
* @note On most platforms integer division by zero always traps,
* and <kbd>OFnumeric_limits<T>::traps</kbd> is <kbd>OFTrue</kbd> for all
* integer types that support the value <kbd>0</kbd>. The exception is the
* type <i>OFBool</i>, if support for the native type <i>bool</i> is available:
* even though division by <kbd>OFFalse</kbd> traps due to integral promotion
* from <i>OFBool</i> to <i>int</i>, it is the zero-valued <i>int</i> that traps.
* Zero is not a value of type <i>bool</i>.
* @note On most platforms, floating-point exceptions may be turned on and off at
* runtime, in which case the value of <kbd>OFnumeric_limits<T>::traps</kbd>
* for floating-point types reflects the state of floating-point trapping
* facility at the time of program startup.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %traps
* ----------------------- | ---------------------------------
* <i>non-specialized</i> | <kbd>OFFalse</kbd>
* OFBool | <i>usually</i> <kbd>OFFalse</kbd>
* char | <i>usually</i> <kbd>OFTrue</kbd>
* signed char | <i>usually</i> <kbd>OFTrue</kbd>
* unsigned char | <i>usually</i> <kbd>OFTrue</kbd>
* signed short | <i>usually</i> <kbd>OFTrue</kbd>
* unsigned short | <i>usually</i> <kbd>OFTrue</kbd>
* signed int | <i>usually</i> <kbd>OFTrue</kbd>
* unsigned int | <i>usually</i> <kbd>OFTrue</kbd>
* signed long | <i>usually</i> <kbd>OFTrue</kbd>
* unsigned long | <i>usually</i> <kbd>OFTrue</kbd>
* float | <i>usually</i> <kbd>OFFalse</kbd>
* double | <i>usually</i> <kbd>OFFalse</kbd>
*/
static const OFBool traps;
/** <kbd>OFTrue</kbd> for all floating-point types <i>T</i> that test
* results of floating-point expressions for underflow before rounding.
* @note Standard-compliant IEEE 754 floating-point implementations may
* detect the floating-point underflow at three predefined moments:
* 1. after computation of a result with absolute value smaller than
* <kbd>OFnumeric_limits<T>::min()</kbd>, such implementation detects
* <i>tinyness before rounding</i>.
* 2. after rounding of the result to <kbd>OFnumeric_limits<T>::digits</kbd>
* bits, if the result is tiny, such implementation detects <i>tinyness
* after rounding</i>.
* 3. if the conversion of the rounded tiny result to subnormal form
* resulted in the loss of precision, such implementation detects
* <i>denorm loss</i>.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %tinyness_before
* ----------------------- | ----------------------------------
* <i>non-specialized</i> | <kbd>OFFalse</kbd>
* OFBool | <kbd>OFFalse</kbd>
* char | <kbd>OFFalse</kbd>
* signed char | <kbd>OFFalse</kbd>
* unsigned char | <kbd>OFFalse</kbd>
* signed short | <kbd>OFFalse</kbd>
* unsigned short | <kbd>OFFalse</kbd>
* signed int | <kbd>OFFalse</kbd>
* unsigned int | <kbd>OFFalse</kbd>
* signed long | <kbd>OFFalse</kbd>
* unsigned long | <kbd>OFFalse</kbd>
* float | <i>platform / compiler specific</i>
* double | <i>platform / compiler specific</i>
*/
static const OFBool tinyness_before;
/** The minimum finite value representable by the numeric type <i>T</i>.
* For floating-point types with denormalization, min returns the
* minimum positive normalized value.
* @note This behavior may be unexpected, especially when compared to
* the behavior of min for integral types. To find the value that has
* no values less than it, use <kbd>OFnumeric_limits<T>::lowest()</kbd>.
* @note Min is only meaningful for bounded types and for unbounded
* unsigned types, that is, types that represent an infinite set of
* negative values have no meaningful minimum.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %min()
* ----------------------- | --------------
* <i>non-specialized</i> | <kbd>T()</kbd>
* OFBool | <kbd>OFFalse</kbd>
* char | <kbd>CHAR_MIN</kbd>
* signed char | <kbd>SCHAR_MIN</kbd>
* unsigned char | <kbd>0</kbd>
* signed short | <kbd>SHRT_MIN</kbd>
* unsigned short | <kbd>0</kbd>
* signed int | <kbd>INT_MIN</kbd>
* unsigned int | <kbd>0</kbd>
* signed long | <kbd>LONG_MIN</kbd>
* unsigned long | <kbd>0</kbd>
* float | <kbd>FLT_MIN</kbd>
* double | <kbd>DBL_MIN</kbd>
*/
static T min();
/** The lowest finite value representable by the numeric type <i>T</i>,
* that is, a finite value @f$x@f$ such that there is no other finite
* value @f$y@f$ where @f$y < x@f$.
* @note This is different from <kbd>OFnumeric_limits<T>::min()</kbd>
* for floating-point types.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %lowest()
* ----------------------- | --------------
* <i>non-specialized</i> | <kbd>T()</kbd>
* OFBool | <kbd>OFFalse</kbd>
* char | <kbd>CHAR_MIN</kbd>
* signed char | <kbd>SCHAR_MIN</kbd>
* unsigned char | <kbd>0</kbd>
* signed short | <kbd>SHRT_MIN</kbd>
* unsigned short | <kbd>0</kbd>
* signed int | <kbd>INT_MIN</kbd>
* unsigned int | <kbd>0</kbd>
* signed long | <kbd>LONG_MIN</kbd>
* unsigned long | <kbd>0</kbd>
* float | <kbd>-FLT_MAX</kbd>
* double | <kbd>-DBL_MAX</kbd>
*/
static T lowest();
/** The maximum finite value representable by the numeric type <i>T</i>.
* @note Meaningful for all bounded types.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %max()
* ----------------------- | --------------
* <i>non-specialized</i> | <kbd>T()</kbd>
* OFBool | <kbd>OFTrue</kbd>
* char | <kbd>CHAR_MAX</kbd>
* signed char | <kbd>SCHAR_MAX</kbd>
* unsigned char | <kbd>UCHAR_MAX</kbd>
* signed short | <kbd>SHRT_MAX</kbd>
* unsigned short | <kbd>USHRT_MAX</kbd>
* signed int | <kbd>INT_MAN</kbd>
* unsigned int | <kbd>UINT_MAX</kbd>
* signed long | <kbd>LONG_MAX</kbd>
* unsigned long | <kbd>ULONG_MAX</kbd>
* float | <kbd>FLT_MAX</kbd>
* double | <kbd>DBL_MAX</kbd>
*/
static T max();
/** The machine epsilon, that is, the difference between @f$1.0@f$
* and the next value representable by the floating-point type <i>T</i>.
* @note It is only meaningful if
* <kbd>OFnumeric_limits<T>::is_integer == OFFalse</kbd>.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %epsilon()
* ----------------------- | --------------
* <i>non-specialized</i> | <kbd>T()</kbd>
* OFBool | <kbd>OFFalse</kbd>
* char | <kbd>0</kbd>
* signed char | <kbd>0</kbd>
* unsigned char | <kbd>0</kbd>
* signed short | <kbd>0</kbd>
* unsigned short | <kbd>0</kbd>
* signed int | <kbd>0</kbd>
* unsigned int | <kbd>0</kbd>
* signed long | <kbd>0</kbd>
* unsigned long | <kbd>0</kbd>
* float | <kbd>FLT_EPSILON</kbd>
* double | <kbd>DBL_EPSILON</kbd>
*/
static T epsilon();
/** The largest possible rounding error in ULPs (units in the last
* place) as defined by ISO 10967, which can vary from @f$0.5@f$
* (rounding to the nearest digit) to @f$1.0@f$ (rounding to zero or
* to infinity).
* @note It is only meaningful if
* <kbd>OFnumeric_limits<T>::is_integer == OFFalse</kbd>.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %round_error()
* ----------------------- | --------------
* <i>non-specialized</i> | <kbd>T()</kbd>
* OFBool | <kbd>OFFalse</kbd>
* char | <kbd>0</kbd>
* signed char | <kbd>0</kbd>
* unsigned char | <kbd>0</kbd>
* signed short | <kbd>0</kbd>
* unsigned short | <kbd>0</kbd>
* signed int | <kbd>0</kbd>
* unsigned int | <kbd>0</kbd>
* signed long | <kbd>0</kbd>
* unsigned long | <kbd>0</kbd>
* float | <kbd>0.5f</kbd>
* double | <kbd>0.5</kbd>
*/
static T round_error();
/** The special value <i>positive infinity</i>, as represented
* by the floating-point type <i>T</i>.
* @note Only meaningful if
* <kbd>OFnumeric_limits<T>::has_infinity == OFTrue</kbd>.
* @note In IEEE 754, the most common binary representation of
* floating-point numbers, the positive infinity is the value
* with all bits of the exponent set and all bits of the
* fraction cleared.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %infinity()
* ----------------------- | --------------
* <i>non-specialized</i> | <kbd>T()</kbd>
* OFBool | <kbd>OFFalse</kbd>
* char | <kbd>0</kbd>
* signed char | <kbd>0</kbd>
* unsigned char | <kbd>0</kbd>
* signed short | <kbd>0</kbd>
* unsigned short | <kbd>0</kbd>
* signed int | <kbd>0</kbd>
* unsigned int | <kbd>0</kbd>
* signed long | <kbd>0</kbd>
* unsigned long | <kbd>0</kbd>
* float | <kbd>HUGE_VALF</kbd>
* double | <kbd>HUGE_VAL</kbd>
*/
static T infinity();
/** The special value <i>quiet not-a-number</i>, as represented
* by the floating-point type <i>T</i>.
* @note Only meaningful if
* <kbd>OFnumeric_limits<T>::has_quiet_NaN == OFTrue</kbd>.
* @note In IEEE 754, the most common binary representation of
* floating-point numbers, any value with all bits of the exponent
* set and at least one bit of the fraction set represents a <i>NaN</i>.
* It is implementation-defined which values of the fraction
* represent quiet or signaling <i>NaN</i>s, and whether the sign bit is
* meaningful.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %quiet_NaN()
* ----------------------- | --------------
* <i>non-specialized</i> | <kbd>T()</kbd>
* OFBool | <kbd>OFFalse</kbd>
* char | <kbd>0</kbd>
* signed char | <kbd>0</kbd>
* unsigned char | <kbd>0</kbd>
* signed short | <kbd>0</kbd>
* unsigned short | <kbd>0</kbd>
* signed int | <kbd>0</kbd>
* unsigned int | <kbd>0</kbd>
* signed long | <kbd>0</kbd>
* unsigned long | <kbd>0</kbd>
* float | <kbd>NAN</kbd> or <i>platform / compiler specific</i>
* double | <i>platform / compiler specific</i>
*/
static T quiet_NaN();
/** The special value <i>signaling not-a-number</i>, as represented
* by the floating-point type <i>T</i>.
* @note Only meaningful if
* <kbd>OFnumeric_limits<T>::has_signaling_NaN == OFTrue</kbd>.
* @note In IEEE 754, the most common binary representation of
* floating-point numbers, any value with all bits of the exponent
* set and at least one bit of the fraction set represents a <i>NaN</i>.
* It is implementation-defined which values of the fraction
* represent quiet or signaling <i>NaN</i>s, and whether the sign bit is
* meaningful.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %signaling_NaN()
* ----------------------- | --------------
* <i>non-specialized</i> | <kbd>T()</kbd>
* OFBool | <kbd>OFFalse</kbd>
* char | <kbd>0</kbd>
* signed char | <kbd>0</kbd>
* unsigned char | <kbd>0</kbd>
* signed short | <kbd>0</kbd>
* unsigned short | <kbd>0</kbd>
* signed int | <kbd>0</kbd>
* unsigned int | <kbd>0</kbd>
* signed long | <kbd>0</kbd>
* unsigned long | <kbd>0</kbd>
* float | <i>platform / compiler specific</i>
* double | <i>platform / compiler specific</i>
*/
static T signaling_NaN();
/** The minimum positive subnormal value of the type <i>T</i>, if
* <kbd>OFnumeric_limits<T>::has_denorm != OFdenorm_absent</kbd>,
* otherwise returns <kbd>OFnumeric_limits<T>::min()</kbd>.
* @note Only meaningful for floating-point types.
* @details
* <h3>C++11 standard definitions used:</h3>
* T | %denorm_min()
* ----------------------- | --------------
* <i>non-specialized</i> | <kbd>T()</kbd>
* OFBool | <kbd>OFFalse</kbd>
* char | <kbd>0</kbd>
* signed char | <kbd>0</kbd>
* unsigned char | <kbd>0</kbd>
* signed short | <kbd>0</kbd>
* unsigned short | <kbd>0</kbd>
* signed int | <kbd>0</kbd>
* unsigned int | <kbd>0</kbd>
* signed long | <kbd>0</kbd>
* unsigned long | <kbd>0</kbd>
* float | <i>usually</i> @f$2^{-149}@f$
* double | <i>usually</i> @f$2^{-1074}@f$
*/
static T denorm_min();
};
#else // DOXYGEN
template<typename T>
struct OFnumeric_limits
{
static const OFBool is_specialized = OFFalse;
static const OFBool is_signed = OFFalse;
static const OFBool is_integer = OFFalse;
static const OFBool is_exact = OFFalse;
static const OFBool has_infinity = OFFalse;
static const OFBool has_quiet_NaN = OFFalse;
static const OFBool has_signaling_NaN = OFFalse;
static const OFfloat_denorm_style has_denorm = OFdenorm_absent;
static const OFBool has_denorm_loss = OFFalse;
static const OFfloat_round_style round_style = OFround_toward_zero;
static const OFBool is_iec559 = OFFalse;
static const OFBool is_bounded = OFFalse;
static const OFBool is_modulo = OFFalse;
static const int digits = 0;
static const int digits10 = 0;
static const int max_digits10 = 0;
static const int radix = 0;
static const int min_exponent = 0;
static const int min_exponent10 = 0;
static const int max_exponent = 0;
static const int max_exponent10 = 0;
static const OFBool traps = OFFalse;
static const OFBool tinyness_before = OFFalse;
static inline T (min)() { return T(); }
static inline T lowest() { return T(); }
static inline T (max)() { return T(); }
static inline T epsilon() { return T(); }
static inline T round_error() { return T(); }
static inline T infinity() { return T(); }
static inline T quiet_NaN() { return T(); }
static inline T signaling_NaN() { return T(); }
static inline T denorm_min() { return T(); }
};
#ifdef HAVE_CXX_BOOL
template<>
struct OFnumeric_limits<bool>
{
static const OFBool is_specialized = OFTrue;
static const OFBool is_signed = OFFalse;
static const OFBool is_integer = OFTrue;
static const OFBool is_exact = OFTrue;
static const OFBool has_infinity = OFFalse;
static const OFBool has_quiet_NaN = OFFalse;
static const OFBool has_signaling_NaN = OFFalse;
static const OFfloat_denorm_style has_denorm = OFdenorm_absent;
static const OFBool has_denorm_loss = OFFalse;
static const OFfloat_round_style round_style = OFround_toward_zero;
static const OFBool is_iec559 = OFFalse;
static const OFBool is_bounded = OFTrue;
static const OFBool is_modulo = OFFalse;
static const int digits = 1;
static const int digits10 = 0;
static const int max_digits10 = 0;
static const int radix = 0;
static const int min_exponent = 0;
static const int min_exponent10 = 0;
static const int max_exponent = 0;
static const int max_exponent10 = 0;
static const OFBool traps = OFFalse;
static const OFBool tinyness_before = OFFalse;
static inline bool (min)() { return OFFalse; }
static inline bool lowest() { return OFFalse; }
static inline bool (max)() { return OFTrue; }
static inline bool epsilon() { return OFFalse; }
static inline bool round_error() { return OFFalse; }
static inline bool infinity() { return OFFalse; }
static inline bool quiet_NaN() { return OFFalse; }
static inline bool signaling_NaN() { return OFFalse; }
static inline bool denorm_min() { return OFFalse; }
};
#endif
template<>
struct OFnumeric_limits<char>
{
static const OFBool is_specialized = OFTrue;
#ifndef C_CHAR_UNSIGNED
static const OFBool is_signed = OFTrue;
#else
static const OFBool is_signed = OFFalse;
#endif
static const OFBool is_integer = OFTrue;
static const OFBool is_exact = OFTrue;
static const OFBool has_infinity = OFFalse;
static const OFBool has_quiet_NaN = OFFalse;
static const OFBool has_signaling_NaN = OFFalse;
static const OFfloat_denorm_style has_denorm = OFdenorm_absent;
static const OFBool has_denorm_loss = OFFalse;
static const OFfloat_round_style round_style = OFround_toward_zero;
static const OFBool is_iec559 = OFFalse;
static const OFBool is_bounded = OFTrue;
static const OFBool is_modulo = DCMTK_CHAR_MODULO;
static const int digits = OFnumeric_limits<char>::is_signed ? CHAR_BIT - 1 : CHAR_BIT;
#ifndef C_CHAR_UNSIGNED
static const int digits10 = DCMTK_SIGNED_CHAR_DIGITS10;
#else
static const int digits10 = DCMTK_UNSIGNED_CHAR_DIGITS10;
#endif
static const int max_digits10 = 0;
static const int radix = 2;
static const int min_exponent = 0;
static const int min_exponent10 = 0;
static const int max_exponent = 0;
static const int max_exponent10 = 0;
static const OFBool traps = DCMTK_CHAR_TRAPS;
static const OFBool tinyness_before = OFFalse;
static inline char (min)() { return OFstatic_cast( char, CHAR_MIN ); }
static inline char lowest() { return OFstatic_cast( char, CHAR_MIN ); }
static inline char (max)() { return OFstatic_cast( char, CHAR_MAX ); }
static inline char epsilon() { return OFstatic_cast( char, 0 ); }
static inline char round_error() { return OFstatic_cast( char, 0 ); }
static inline char infinity() { return OFstatic_cast( char, 0 ); }
static inline char quiet_NaN() { return OFstatic_cast( char, 0 ); }
static inline char signaling_NaN() { return OFstatic_cast( char, 0 ); }
static inline char denorm_min() { return OFstatic_cast( char, 0 ); }
};
template<>
struct OFnumeric_limits<signed char>
{
static const OFBool is_specialized = OFTrue;
static const OFBool is_signed = OFTrue;
static const OFBool is_integer = OFTrue;
static const OFBool is_exact = OFTrue;
static const OFBool has_infinity = OFFalse;
static const OFBool has_quiet_NaN = OFFalse;
static const OFBool has_signaling_NaN = OFFalse;
static const OFfloat_denorm_style has_denorm = OFdenorm_absent;
static const OFBool has_denorm_loss = OFFalse;
static const OFfloat_round_style round_style = OFround_toward_zero;
static const OFBool is_iec559 = OFFalse;
static const OFBool is_bounded = OFTrue;
static const OFBool is_modulo = DCMTK_SIGNED_CHAR_MODULO;
static const int digits = CHAR_BIT - 1;
static const int digits10 = DCMTK_SIGNED_CHAR_DIGITS10;
static const int max_digits10 = 0;
static const int radix = 2;
static const int min_exponent = 0;
static const int min_exponent10 = 0;
static const int max_exponent = 0;
static const int max_exponent10 = 0;
static const OFBool traps = DCMTK_SIGNED_CHAR_TRAPS;
static const OFBool tinyness_before = OFFalse;
static inline signed char (min)() { return OFstatic_cast( signed char, SCHAR_MIN ); }
static inline signed char lowest() { return OFstatic_cast( signed char, SCHAR_MIN ); }
static inline signed char (max)() { return OFstatic_cast( signed char, SCHAR_MAX ); }
static inline signed char epsilon() { return OFstatic_cast( signed char, 0 ); }
static inline signed char round_error() { return OFstatic_cast( signed char, 0 ); }
static inline signed char infinity() { return OFstatic_cast( signed char, 0 ); }
static inline signed char quiet_NaN() { return OFstatic_cast( signed char, 0 ); }
static inline signed char signaling_NaN() { return OFstatic_cast( signed char, 0 ); }
static inline signed char denorm_min() { return OFstatic_cast( signed char, 0 ); }
};
template<>
struct OFnumeric_limits<unsigned char>
{
static const OFBool is_specialized = OFTrue;
static const OFBool is_signed = OFFalse;
static const OFBool is_integer = OFTrue;
static const OFBool is_exact = OFTrue;
static const OFBool has_infinity = OFFalse;
static const OFBool has_quiet_NaN = OFFalse;
static const OFBool has_signaling_NaN = OFFalse;
static const OFfloat_denorm_style has_denorm = OFdenorm_absent;
static const OFBool has_denorm_loss = OFFalse;
static const OFfloat_round_style round_style = OFround_toward_zero;
static const OFBool is_iec559 = OFFalse;
static const OFBool is_bounded = OFTrue;
static const OFBool is_modulo = DCMTK_UNSIGNED_CHAR_MODULO;
static const int digits = CHAR_BIT;
static const int digits10 = DCMTK_UNSIGNED_CHAR_DIGITS10;
static const int max_digits10 = 0;
static const int radix = 2;
static const int min_exponent = 0;
static const int min_exponent10 = 0;
static const int max_exponent = 0;
static const int max_exponent10 = 0;
static const OFBool traps = DCMTK_UNSIGNED_CHAR_TRAPS;
static const OFBool tinyness_before = OFFalse;
static inline unsigned char (min)() { return OFstatic_cast( unsigned char, 0 ); }
static inline unsigned char lowest() { return OFstatic_cast( unsigned char, 0 ); }
static inline unsigned char (max)() { return OFstatic_cast( unsigned char, UCHAR_MAX ); }
static inline unsigned char epsilon() { return OFstatic_cast( unsigned char, 0 ); }
static inline unsigned char round_error() { return OFstatic_cast( unsigned char, 0 ); }
static inline unsigned char infinity() { return OFstatic_cast( unsigned char, 0 ); }
static inline unsigned char quiet_NaN() { return OFstatic_cast( unsigned char, 0 ); }
static inline unsigned char signaling_NaN() { return OFstatic_cast( unsigned char, 0 ); }
static inline unsigned char denorm_min() { return OFstatic_cast( unsigned char, 0 ); }
};
template<>
struct OFnumeric_limits<signed short>
{
static const OFBool is_specialized = OFTrue;
static const OFBool is_signed = OFTrue;
static const OFBool is_integer = OFTrue;
static const OFBool is_exact = OFTrue;
static const OFBool has_infinity = OFFalse;
static const OFBool has_quiet_NaN = OFFalse;
static const OFBool has_signaling_NaN = OFFalse;
static const OFfloat_denorm_style has_denorm = OFdenorm_absent;
static const OFBool has_denorm_loss = OFFalse;
static const OFfloat_round_style round_style = OFround_toward_zero;
static const OFBool is_iec559 = OFFalse;
static const OFBool is_bounded = OFTrue;
static const OFBool is_modulo = DCMTK_SIGNED_SHORT_MODULO;
static const int digits = OFstatic_cast( int, CHAR_BIT * sizeof( signed short ) - 1 );
static const int digits10 = DCMTK_SIGNED_SHORT_DIGITS10;
static const int max_digits10 = 0;
static const int radix = 2;
static const int min_exponent = 0;
static const int min_exponent10 = 0;
static const int max_exponent = 0;
static const int max_exponent10 = 0;
static const OFBool traps = DCMTK_SIGNED_SHORT_TRAPS;
static const OFBool tinyness_before = OFFalse;
static inline signed short (min)() { return OFstatic_cast( signed short, SHRT_MIN ); }
static inline signed short lowest() { return OFstatic_cast( signed short, SHRT_MIN ); }
static inline signed short (max)() { return OFstatic_cast( signed short, SHRT_MAX ); }
static inline signed short epsilon() { return OFstatic_cast( signed short, 0 ); }
static inline signed short round_error() { return OFstatic_cast( signed short, 0 ); }
static inline signed short infinity() { return OFstatic_cast( signed short, 0 ); }
static inline signed short quiet_NaN() { return OFstatic_cast( signed short, 0 ); }
static inline signed short signaling_NaN() { return OFstatic_cast( signed short, 0 ); }
static inline signed short denorm_min() { return OFstatic_cast( signed short, 0 ); }
};
template<>
struct OFnumeric_limits<unsigned short>
{
static const OFBool is_specialized = OFTrue;
static const OFBool is_signed = OFFalse;
static const OFBool is_integer = OFTrue;
static const OFBool is_exact = OFTrue;
static const OFBool has_infinity = OFFalse;
static const OFBool has_quiet_NaN = OFFalse;
static const OFBool has_signaling_NaN = OFFalse;
static const OFfloat_denorm_style has_denorm = OFdenorm_absent;
static const OFBool has_denorm_loss = OFFalse;
static const OFfloat_round_style round_style = OFround_toward_zero;
static const OFBool is_iec559 = OFFalse;
static const OFBool is_bounded = OFTrue;
static const OFBool is_modulo = DCMTK_UNSIGNED_SHORT_MODULO;
static const int digits = OFstatic_cast( int, CHAR_BIT * sizeof( unsigned short ) );
static const int digits10 = DCMTK_UNSIGNED_SHORT_DIGITS10;
static const int max_digits10 = 0;
static const int radix = 2;
static const int min_exponent = 0;
static const int min_exponent10 = 0;
static const int max_exponent = 0;
static const int max_exponent10 = 0;
static const OFBool traps = DCMTK_UNSIGNED_SHORT_TRAPS;
static const OFBool tinyness_before = OFFalse;
static inline unsigned short (min)() { return OFstatic_cast( unsigned short, 0 ); }
static inline unsigned short lowest() { return OFstatic_cast( unsigned short, 0 ); }
static inline unsigned short (max)() { return OFstatic_cast( unsigned short, USHRT_MAX ); }
static inline unsigned short epsilon() { return OFstatic_cast( unsigned short, 0 ); }
static inline unsigned short round_error() { return OFstatic_cast( unsigned short, 0 ); }
static inline unsigned short infinity() { return OFstatic_cast( unsigned short, 0 ); }
static inline unsigned short quiet_NaN() { return OFstatic_cast( unsigned short, 0 ); }
static inline unsigned short signaling_NaN() { return OFstatic_cast( unsigned short, 0 ); }
static inline unsigned short denorm_min() { return OFstatic_cast( unsigned short, 0 ); }
};
template<>
struct OFnumeric_limits<signed int>
{
static const OFBool is_specialized = OFTrue;
static const OFBool is_signed = OFTrue;
static const OFBool is_integer = OFTrue;
static const OFBool is_exact = OFTrue;
static const OFBool has_infinity = OFFalse;
static const OFBool has_quiet_NaN = OFFalse;
static const OFBool has_signaling_NaN = OFFalse;
static const OFfloat_denorm_style has_denorm = OFdenorm_absent;
static const OFBool has_denorm_loss = OFFalse;
static const OFfloat_round_style round_style = OFround_toward_zero;
static const OFBool is_iec559 = OFFalse;
static const OFBool is_bounded = OFTrue;
static const OFBool is_modulo = DCMTK_SIGNED_INT_MODULO;
static const int digits = OFstatic_cast( int, CHAR_BIT * sizeof( signed int ) - 1 );
static const int digits10 = DCMTK_SIGNED_INT_DIGITS10;
static const int max_digits10 = 0;
static const int radix = 2;
static const int min_exponent = 0;
static const int min_exponent10 = 0;
static const int max_exponent = 0;
static const int max_exponent10 = 0;
static const OFBool traps = DCMTK_SIGNED_INT_TRAPS;
static const OFBool tinyness_before = OFFalse;
static inline signed int (min)() { return OFstatic_cast( signed int, INT_MIN ); }
static inline signed int lowest() { return OFstatic_cast( signed int, INT_MIN ); }
static inline signed int (max)() { return OFstatic_cast( signed int, INT_MAX ); }
static inline signed int epsilon() { return OFstatic_cast( signed int, 0 ); }
static inline signed int round_error() { return OFstatic_cast( signed int, 0 ); }
static inline signed int infinity() { return OFstatic_cast( signed int, 0 ); }
static inline signed int quiet_NaN() { return OFstatic_cast( signed int, 0 ); }
static inline signed int signaling_NaN() { return OFstatic_cast( signed int, 0 ); }
static inline signed int denorm_min() { return OFstatic_cast( signed int, 0 ); }
};
template<>
struct OFnumeric_limits<unsigned int>
{
static const OFBool is_specialized = OFTrue;
static const OFBool is_signed = OFFalse;
static const OFBool is_integer = OFTrue;
static const OFBool is_exact = OFTrue;
static const OFBool has_infinity = OFFalse;
static const OFBool has_quiet_NaN = OFFalse;
static const OFBool has_signaling_NaN = OFFalse;
static const OFfloat_denorm_style has_denorm = OFdenorm_absent;
static const OFBool has_denorm_loss = OFFalse;
static const OFfloat_round_style round_style = OFround_toward_zero;
static const OFBool is_iec559 = OFFalse;
static const OFBool is_bounded = OFTrue;
static const OFBool is_modulo = DCMTK_UNSIGNED_INT_MODULO;
static const int digits = OFstatic_cast( int, CHAR_BIT * sizeof( unsigned int ) );
static const int digits10 = DCMTK_UNSIGNED_INT_DIGITS10;
static const int max_digits10 = 0;
static const int radix = 2;
static const int min_exponent = 0;
static const int min_exponent10 = 0;
static const int max_exponent = 0;
static const int max_exponent10 = 0;
static const OFBool traps = DCMTK_UNSIGNED_INT_TRAPS;
static const OFBool tinyness_before = OFFalse;
static inline unsigned int (min)() { return OFstatic_cast( unsigned int, 0 ); }
static inline unsigned int lowest() { return OFstatic_cast( unsigned int, 0 ); }
static inline unsigned int (max)() { return OFstatic_cast( unsigned int, UINT_MAX ); }
static inline unsigned int epsilon() { return OFstatic_cast( unsigned int, 0 ); }
static inline unsigned int round_error() { return OFstatic_cast( unsigned int, 0 ); }
static inline unsigned int infinity() { return OFstatic_cast( unsigned int, 0 ); }
static inline unsigned int quiet_NaN() { return OFstatic_cast( unsigned int, 0 ); }
static inline unsigned int signaling_NaN() { return OFstatic_cast( unsigned int, 0 ); }
static inline unsigned int denorm_min() { return OFstatic_cast( unsigned int, 0 ); }
};
template<>
struct OFnumeric_limits<signed long>
{
static const OFBool is_specialized = OFTrue;
static const OFBool is_signed = OFTrue;
static const OFBool is_integer = OFTrue;
static const OFBool is_exact = OFTrue;
static const OFBool has_infinity = OFFalse;
static const OFBool has_quiet_NaN = OFFalse;
static const OFBool has_signaling_NaN = OFFalse;
static const OFfloat_denorm_style has_denorm = OFdenorm_absent;
static const OFBool has_denorm_loss = OFFalse;
static const OFfloat_round_style round_style = OFround_toward_zero;
static const OFBool is_iec559 = OFFalse;
static const OFBool is_bounded = OFTrue;
static const OFBool is_modulo = DCMTK_SIGNED_LONG_MODULO;
static const int digits = OFstatic_cast( int, CHAR_BIT * sizeof( signed long ) - 1 );
static const int digits10 = DCMTK_SIGNED_LONG_DIGITS10;
static const int max_digits10 = 0;
static const int radix = 2;
static const int min_exponent = 0;
static const int min_exponent10 = 0;
static const int max_exponent = 0;
static const int max_exponent10 = 0;
static const OFBool traps = DCMTK_SIGNED_LONG_TRAPS;
static const OFBool tinyness_before = OFFalse;
static inline signed long (min)() { return OFstatic_cast( signed long, LONG_MIN ); }
static inline signed long lowest() { return OFstatic_cast( signed long, LONG_MIN ); }
static inline signed long (max)() { return OFstatic_cast( signed long, LONG_MAX ); }
static inline signed long epsilon() { return OFstatic_cast( signed long, 0 ); }
static inline signed long round_error() { return OFstatic_cast( signed long, 0 ); }
static inline signed long infinity() { return OFstatic_cast( signed long, 0 ); }
static inline signed long quiet_NaN() { return OFstatic_cast( signed long, 0 ); }
static inline signed long signaling_NaN() { return OFstatic_cast( signed long, 0 ); }
static inline signed long denorm_min() { return OFstatic_cast( signed long, 0 ); }
};
template<>
struct OFnumeric_limits<unsigned long>
{
static const OFBool is_specialized = OFTrue;
static const OFBool is_signed = OFFalse;
static const OFBool is_integer = OFTrue;
static const OFBool is_exact = OFTrue;
static const OFBool has_infinity = OFFalse;
static const OFBool has_quiet_NaN = OFFalse;
static const OFBool has_signaling_NaN = OFFalse;
static const OFfloat_denorm_style has_denorm = OFdenorm_absent;
static const OFBool has_denorm_loss = OFFalse;
static const OFfloat_round_style round_style = OFround_toward_zero;
static const OFBool is_iec559 = OFFalse;
static const OFBool is_bounded = OFTrue;
static const OFBool is_modulo = DCMTK_UNSIGNED_LONG_MODULO;
static const int digits = OFstatic_cast( int, CHAR_BIT * sizeof( unsigned long ) );
static const int digits10 = DCMTK_UNSIGNED_LONG_DIGITS10;
static const int max_digits10 = 0;
static const int radix = 2;
static const int min_exponent = 0;
static const int min_exponent10 = 0;
static const int max_exponent = 0;
static const int max_exponent10 = 0;
static const OFBool traps = DCMTK_UNSIGNED_LONG_TRAPS;
static const OFBool tinyness_before = OFFalse;
static inline unsigned long (min)() { return OFstatic_cast( unsigned long, 0 ); }
static inline unsigned long lowest() { return OFstatic_cast( unsigned long, 0 ); }
static inline unsigned long (max)() { return OFstatic_cast( unsigned long, ULONG_MAX ); }
static inline unsigned long epsilon() { return OFstatic_cast( unsigned long, 0 ); }
static inline unsigned long round_error() { return OFstatic_cast( unsigned long, 0 ); }
static inline unsigned long infinity() { return OFstatic_cast( unsigned long, 0 ); }
static inline unsigned long quiet_NaN() { return OFstatic_cast( unsigned long, 0 ); }
static inline unsigned long signaling_NaN() { return OFstatic_cast( unsigned long, 0 ); }
static inline unsigned long denorm_min() { return OFstatic_cast( unsigned long, 0 ); }
};
template<>
struct OFnumeric_limits<float>
{
static const OFBool is_specialized = OFTrue;
static const OFBool is_signed = OFTrue;
static const OFBool is_integer = OFFalse;
static const OFBool is_exact = OFFalse;
static const OFBool has_infinity = DCMTK_FLOAT_HAS_INFINITY;
static const OFBool has_quiet_NaN = DCMTK_FLOAT_HAS_QUIET_NAN;
static const OFBool has_signaling_NaN = DCMTK_FLOAT_HAS_SIGNALING_NAN;
static const OFfloat_denorm_style has_denorm = DCMTK_FLOAT_HAS_DENORM;
static const OFBool has_denorm_loss = DCMTK_FLOAT_HAS_DENORM_LOSS;
static const OFfloat_round_style round_style = OFstatic_cast( OFfloat_round_style, DCMTK_ROUND_STYLE );
static const OFBool is_iec559 = DCMTK_FLOAT_IS_IEC559;
static const OFBool is_bounded = OFTrue;
static const OFBool is_modulo = OFFalse;
static const int digits = OFstatic_cast( int, FLT_MANT_DIG );
static const int digits10 = OFstatic_cast( int, FLT_DIG );
static const int max_digits10 = DCMTK_FLOAT_MAX_DIGITS10;
static const int radix = FLT_RADIX;
static const int min_exponent = FLT_MIN_EXP;
static const int min_exponent10 = FLT_MIN_10_EXP;
static const int max_exponent = FLT_MAX_EXP;
static const int max_exponent10 = FLT_MAX_10_EXP;
static const OFBool traps = DCMTK_FLOAT_TRAPS;
static const OFBool tinyness_before = DCMTK_FLOAT_TINYNESS_BEFORE;
static inline float (min)() { return OFstatic_cast( float, FLT_MIN ); }
static inline float lowest() { return OFstatic_cast( float, -FLT_MAX ); }
static inline float (max)() { return OFstatic_cast( float, FLT_MAX ); }
static inline float epsilon() { return OFstatic_cast( float, FLT_EPSILON ); }
static inline float round_error() { return OFstatic_cast( float, 0.5f ); }
static inline float infinity() { return DCMTK_FLOAT_INFINITY; }
static inline float quiet_NaN() { return DCMTK_FLOAT_QUIET_NAN; }
static inline const float& signaling_NaN() { return DCMTK_FLOAT_SIGNALING_NAN; }
static inline float denorm_min() { return DCMTK_FLOAT_DENORM_MIN; }
};
template<>
struct OFnumeric_limits<double>
{
static const OFBool is_specialized = OFTrue;
static const OFBool is_signed = OFTrue;
static const OFBool is_integer = OFFalse;
static const OFBool is_exact = OFFalse;
static const OFBool has_infinity = DCMTK_DOUBLE_HAS_INFINITY;
static const OFBool has_quiet_NaN = DCMTK_DOUBLE_HAS_QUIET_NAN;
static const OFBool has_signaling_NaN = DCMTK_DOUBLE_HAS_SIGNALING_NAN;
static const OFfloat_denorm_style has_denorm = DCMTK_DOUBLE_HAS_DENORM;
static const OFBool has_denorm_loss = DCMTK_DOUBLE_HAS_DENORM_LOSS;
static const OFfloat_round_style round_style = OFstatic_cast( OFfloat_round_style, DCMTK_ROUND_STYLE );
static const OFBool is_iec559 = DCMTK_DOUBLE_IS_IEC559;
static const OFBool is_bounded = OFTrue;
static const OFBool is_modulo = OFFalse;
static const int digits = OFstatic_cast( int, DBL_MANT_DIG );
static const int digits10 = OFstatic_cast( int, DBL_DIG );
static const int max_digits10 = DCMTK_DOUBLE_MAX_DIGITS10;
static const int radix = FLT_RADIX;
static const int min_exponent = DBL_MIN_EXP;
static const int min_exponent10 = DBL_MIN_10_EXP;
static const int max_exponent = DBL_MAX_EXP;
static const int max_exponent10 = DBL_MAX_10_EXP;
static const OFBool traps = DCMTK_DOUBLE_TRAPS;
static const OFBool tinyness_before = DCMTK_DOUBLE_TINYNESS_BEFORE;
static inline double (min)() { return OFstatic_cast( double, DBL_MIN ); }
static inline double lowest() { return OFstatic_cast( double, -DBL_MAX ); }
static inline double (max)() { return OFstatic_cast( double, DBL_MAX ); }
static inline double epsilon() { return OFstatic_cast( double, DBL_EPSILON ); }
static inline double round_error() { return OFstatic_cast( double, 0.5 ); }
static inline double infinity() { return DCMTK_DOUBLE_INFINITY; }
static inline double quiet_NaN() { return DCMTK_DOUBLE_QUIET_NAN; }
static inline double signaling_NaN() { return DCMTK_DOUBLE_SIGNALING_NAN; }
static inline double denorm_min() { return DCMTK_DOUBLE_DENORM_MIN; }
};
#endif // DOXYGEN
#endif // C++11
#endif // OFLIMITS_H
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