vnl_numeric_limits.cxx

InsightToolkit-1.4.0(有大量的优化算法程序)

// This is core/vnl/vnl_numeric_limits.cxx
#ifdef VCL_NEEDS_PRAGMA_INTERFACE
#pragma implementation
#endif
//
// numeric_limits
// Author: Andrew W. Fitzgibbon, Oxford RRG
// Created: 28 Aug 96
//
//-----------------------------------------------------------------------------

#include "vnl_numeric_limits.h"
#include <vxl_config.h> // for VXL_BIG_ENDIAN

// ----------------------------------------------------------------------
// Constants for int

const bool vnl_numeric_limits<int>::is_specialized VCL_STATIC_CONST_INIT_INT_DEFN(true);
const int vnl_numeric_limits<int>::digits   VCL_STATIC_CONST_INIT_INT_DEFN(31);
const int vnl_numeric_limits<int>::digits10 VCL_STATIC_CONST_INIT_INT_DEFN(9);
const bool vnl_numeric_limits<int>::is_signed  VCL_STATIC_CONST_INIT_INT_DEFN(true);
const bool vnl_numeric_limits<int>::is_integer VCL_STATIC_CONST_INIT_INT_DEFN(true);
const bool vnl_numeric_limits<int>::is_exact   VCL_STATIC_CONST_INIT_INT_DEFN(true);
const int vnl_numeric_limits<int>::radix VCL_STATIC_CONST_INIT_INT_DEFN(2);
const int vnl_numeric_limits<int>::min_exponent   VCL_STATIC_CONST_INIT_INT_DEFN(-31);
const int vnl_numeric_limits<int>::min_exponent10 VCL_STATIC_CONST_INIT_INT_DEFN(-9);
const int vnl_numeric_limits<int>::max_exponent   VCL_STATIC_CONST_INIT_INT_DEFN(31);
const int vnl_numeric_limits<int>::max_exponent10 VCL_STATIC_CONST_INIT_INT_DEFN(9);
const bool vnl_numeric_limits<int>::has_infinity      VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<int>::has_quiet_NaN     VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<int>::has_signaling_NaN VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<int>::has_denorm        VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<int>::is_iec559  VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<int>::is_bounded VCL_STATIC_CONST_INIT_INT_DEFN(true);
const bool vnl_numeric_limits<int>::is_modulo  VCL_STATIC_CONST_INIT_INT_DEFN(true);
const bool vnl_numeric_limits<int>::traps      VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<int>::tinyness_before VCL_STATIC_CONST_INIT_INT_DEFN(false);
const vnl_float_round_style vnl_numeric_limits<int>::round_style VCL_STATIC_CONST_INIT_INT_DEFN(vnl_round_toward_zero);


// ----------------------------------------------------------------------
// Constants for long

const bool vnl_numeric_limits<long>::is_specialized VCL_STATIC_CONST_INIT_INT_DEFN(true);
const int vnl_numeric_limits<long>::digits   VCL_STATIC_CONST_INIT_INT_DEFN(31);
const int vnl_numeric_limits<long>::digits10 VCL_STATIC_CONST_INIT_INT_DEFN(9);
const bool vnl_numeric_limits<long>::is_signed  VCL_STATIC_CONST_INIT_INT_DEFN(true);
const bool vnl_numeric_limits<long>::is_integer VCL_STATIC_CONST_INIT_INT_DEFN(true);
const bool vnl_numeric_limits<long>::is_exact   VCL_STATIC_CONST_INIT_INT_DEFN(true);
const int vnl_numeric_limits<long>::radix VCL_STATIC_CONST_INIT_INT_DEFN(2);
const int vnl_numeric_limits<long>::min_exponent   VCL_STATIC_CONST_INIT_INT_DEFN(-31);
const int vnl_numeric_limits<long>::min_exponent10 VCL_STATIC_CONST_INIT_INT_DEFN(-9);
const int vnl_numeric_limits<long>::max_exponent   VCL_STATIC_CONST_INIT_INT_DEFN(31);
const int vnl_numeric_limits<long>::max_exponent10 VCL_STATIC_CONST_INIT_INT_DEFN(9);
const bool vnl_numeric_limits<long>::has_infinity      VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<long>::has_quiet_NaN     VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<long>::has_signaling_NaN VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<long>::has_denorm        VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<long>::is_iec559  VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<long>::is_bounded VCL_STATIC_CONST_INIT_INT_DEFN(true);
const bool vnl_numeric_limits<long>::is_modulo  VCL_STATIC_CONST_INIT_INT_DEFN(true);
const bool vnl_numeric_limits<long>::traps      VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<long>::tinyness_before VCL_STATIC_CONST_INIT_INT_DEFN(false);
const vnl_float_round_style vnl_numeric_limits<long>::round_style VCL_STATIC_CONST_INIT_INT_DEFN(vnl_round_toward_zero);


// ----------------------------------------------------------------------
// Constants for unsigned long

const bool vnl_numeric_limits<unsigned long>::is_specialized VCL_STATIC_CONST_INIT_INT_DEFN(true);
const int vnl_numeric_limits<unsigned long>::digits   VCL_STATIC_CONST_INIT_INT_DEFN(sizeof(unsigned long) * 8 );
const int vnl_numeric_limits<unsigned long>::digits10 VCL_STATIC_CONST_INIT_INT_DEFN( (digits * 301) / 1000 );
const bool vnl_numeric_limits<unsigned long>::is_signed  VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<unsigned long>::is_integer VCL_STATIC_CONST_INIT_INT_DEFN(true);
const bool vnl_numeric_limits<unsigned long>::is_exact   VCL_STATIC_CONST_INIT_INT_DEFN(true);
const int vnl_numeric_limits<unsigned long>::radix VCL_STATIC_CONST_INIT_INT_DEFN(2);
const int vnl_numeric_limits<unsigned long>::min_exponent   VCL_STATIC_CONST_INIT_INT_DEFN(-31);
const int vnl_numeric_limits<unsigned long>::min_exponent10 VCL_STATIC_CONST_INIT_INT_DEFN(-9);
const int vnl_numeric_limits<unsigned long>::max_exponent   VCL_STATIC_CONST_INIT_INT_DEFN(31);
const int vnl_numeric_limits<unsigned long>::max_exponent10 VCL_STATIC_CONST_INIT_INT_DEFN(9);
const bool vnl_numeric_limits<unsigned long>::has_infinity      VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<unsigned long>::has_quiet_NaN     VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<unsigned long>::has_signaling_NaN VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<unsigned long>::has_denorm        VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<unsigned long>::is_iec559  VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<unsigned long>::is_bounded VCL_STATIC_CONST_INIT_INT_DEFN(true);
const bool vnl_numeric_limits<unsigned long>::is_modulo  VCL_STATIC_CONST_INIT_INT_DEFN(true);
const bool vnl_numeric_limits<unsigned long>::traps      VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<unsigned long>::tinyness_before VCL_STATIC_CONST_INIT_INT_DEFN(false);
const vnl_float_round_style vnl_numeric_limits<unsigned long>::round_style VCL_STATIC_CONST_INIT_INT_DEFN(vnl_round_toward_zero);


// ----------------------------------------------------------------------
// Constants for unsigned short

const bool vnl_numeric_limits<unsigned short>::is_specialized VCL_STATIC_CONST_INIT_INT_DEFN(true);
const int vnl_numeric_limits<unsigned short>::digits   VCL_STATIC_CONST_INIT_INT_DEFN(sizeof(unsigned short) * 8 );
const int vnl_numeric_limits<unsigned short>::digits10 VCL_STATIC_CONST_INIT_INT_DEFN( (digits * 301) / 1000 );
const bool vnl_numeric_limits<unsigned short>::is_signed  VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<unsigned short>::is_integer VCL_STATIC_CONST_INIT_INT_DEFN(true);
const bool vnl_numeric_limits<unsigned short>::is_exact   VCL_STATIC_CONST_INIT_INT_DEFN(true);
const int vnl_numeric_limits<unsigned short>::radix VCL_STATIC_CONST_INIT_INT_DEFN(2);
const int vnl_numeric_limits<unsigned short>::min_exponent   VCL_STATIC_CONST_INIT_INT_DEFN(-31);
const int vnl_numeric_limits<unsigned short>::min_exponent10 VCL_STATIC_CONST_INIT_INT_DEFN(-9);
const int vnl_numeric_limits<unsigned short>::max_exponent   VCL_STATIC_CONST_INIT_INT_DEFN(31);
const int vnl_numeric_limits<unsigned short>::max_exponent10 VCL_STATIC_CONST_INIT_INT_DEFN(9);
const bool vnl_numeric_limits<unsigned short>::has_infinity      VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<unsigned short>::has_quiet_NaN     VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<unsigned short>::has_signaling_NaN VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<unsigned short>::has_denorm        VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<unsigned short>::is_iec559  VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<unsigned short>::is_bounded VCL_STATIC_CONST_INIT_INT_DEFN(true);
const bool vnl_numeric_limits<unsigned short>::is_modulo  VCL_STATIC_CONST_INIT_INT_DEFN(true);
const bool vnl_numeric_limits<unsigned short>::traps      VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<unsigned short>::tinyness_before VCL_STATIC_CONST_INIT_INT_DEFN(false);
const vnl_float_round_style vnl_numeric_limits<unsigned short>::round_style VCL_STATIC_CONST_INIT_INT_DEFN(vnl_round_toward_zero);


// ----------------------------------------------------------------------
// Constants for short

const bool vnl_numeric_limits<short>::is_specialized VCL_STATIC_CONST_INIT_INT_DEFN(true);
const int vnl_numeric_limits<short>::digits   VCL_STATIC_CONST_INIT_INT_DEFN(15);
const int vnl_numeric_limits<short>::digits10 VCL_STATIC_CONST_INIT_INT_DEFN(5);
const bool vnl_numeric_limits<short>::is_signed  VCL_STATIC_CONST_INIT_INT_DEFN(true);
const bool vnl_numeric_limits<short>::is_integer VCL_STATIC_CONST_INIT_INT_DEFN(true);
const bool vnl_numeric_limits<short>::is_exact   VCL_STATIC_CONST_INIT_INT_DEFN(true);
const int vnl_numeric_limits<short>::radix VCL_STATIC_CONST_INIT_INT_DEFN(2);
const int vnl_numeric_limits<short>::min_exponent   VCL_STATIC_CONST_INIT_INT_DEFN(-15);
const int vnl_numeric_limits<short>::min_exponent10 VCL_STATIC_CONST_INIT_INT_DEFN(-5);
const int vnl_numeric_limits<short>::max_exponent   VCL_STATIC_CONST_INIT_INT_DEFN(15);
const int vnl_numeric_limits<short>::max_exponent10 VCL_STATIC_CONST_INIT_INT_DEFN(5);
const bool vnl_numeric_limits<short>::has_infinity      VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<short>::has_quiet_NaN     VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<short>::has_signaling_NaN VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<short>::has_denorm        VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<short>::is_iec559  VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<short>::is_bounded VCL_STATIC_CONST_INIT_INT_DEFN(true);
const bool vnl_numeric_limits<short>::is_modulo  VCL_STATIC_CONST_INIT_INT_DEFN(true);
const bool vnl_numeric_limits<short>::traps      VCL_STATIC_CONST_INIT_INT_DEFN(false);
const bool vnl_numeric_limits<short>::tinyness_before VCL_STATIC_CONST_INIT_INT_DEFN(false);
const vnl_float_round_style vnl_numeric_limits<short>::round_style VCL_STATIC_CONST_INIT_INT_DEFN(vnl_round_toward_zero);