utils.hh
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/* -*- mia-c++ -*-
*
* This file is part of MIA - a toolbox for medical image analysis
* Copyright (c) Leipzig, Madrid 1999-2017 Gert Wollny
*
* MIA is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MIA; if not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef __MIA_TOOLS_HH
#define __MIA_TOOLS_HH 1
#include <limits>
#include <string>
#include <sstream>
#include <iostream>
#include <vector>
#include <cmath>
#include <stdexcept>
#include <mia/core/defines.hh>
NS_MIA_BEGIN
class EXPORT_CORE CCWDSaver
{
char *cwd;
public:
CCWDSaver();
~CCWDSaver();
};
#if 0
class FSearchFiles
{
std::list<std::string>& result;
const std::string pattern;
public:
FSearchFiles(std::list<std::string>& __result, const std::string& __pattern);
void operator()(const std::string& path);
};
#endif
#ifndef _GNU_SOURCE
void EXPORT_CORE sincosf(float x, float *sin, float *cos);
void EXPORT_CORE sincos(double x, double *sin, double *cos);
#endif
template <typename T, bool is_float>
struct __round {
static T apply(double x)
{
return x;
}
};
template <typename T>
struct __round<T, false> {
static T apply(double x)
{
return static_cast<T>(rint(x));
}
};
template <typename T>
T mia_round(double x)
{
const bool is_floating_point = std::is_floating_point<T>::value;
return __round<T, is_floating_point>::apply(x);
}
template <typename T, bool is_float>
struct __round_clamped {
static T apply(double x)
{
return x;
}
};
template <>
struct __round_clamped<float, true> {
static float apply(double x)
{
double y = x < std::numeric_limits<float>::max() ?
( x > -std::numeric_limits<float>::max() ? x : -std::numeric_limits<float>::max()) :
std::numeric_limits<float>::max();
return static_cast<float>(y);
}
};
template <>
struct __round_clamped<bool, false> {
static float apply(double x)
{
return x > 0.5;
}
};
template <typename T>
struct __round_clamped<T, false> {
static T apply(double x)
{
const double y = rint(x);
const double yy = y < std::numeric_limits<T>::max() ?
( y > std::numeric_limits<T>::min() ? y : std::numeric_limits<T>::min()) :
std::numeric_limits<T>::max();
return static_cast<T>(yy);
}
};
template <typename T>
T mia_round_clamped(double x)
{
const bool is_floating_point = std::is_floating_point<T>::value;
return __round_clamped<T, is_floating_point>::apply(x);
}
inline void eat_char( std::istream& is, char expect_val, const char *message)
{
char c;
is >> c;
if ( c != expect_val)
throw std::runtime_error(message);
}
NS_MIA_END
#endif
CCWDSaver::CCWDSaver
CCWDSaver()
CCWDSaver::~CCWDSaver
~CCWDSaver()
defines.hh
NS_MIA_BEGIN
#define NS_MIA_BEGIN
conveniance define to start the mia namespace
Definition defines.hh:33
EXPORT_CORE
#define EXPORT_CORE
Macro to manage Visual C++ style dllimport/dllexport.
Definition defines.hh:101
NS_MIA_END
#define NS_MIA_END
conveniance define to end the mia namespace
Definition defines.hh:36
sincosf
void EXPORT_CORE sincosf(float x, float *sin, float *cos)
sincos
void EXPORT_CORE sincos(double x, double *sin, double *cos)
mia_round_clamped
T mia_round_clamped(double x)
Definition utils.hh:188
mia_round
T mia_round(double x)
Definition utils.hh:122
eat_char
void eat_char(std::istream &is, char expect_val, const char *message)
Definition utils.hh:195