/usr/include/libpwiz/pwiz/utility/findmf/base/resample/breakspec.hpp is in libpwiz-dev 3.0.9393-1+b2.
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// $Id: breakspec.hpp 5313 2013-12-17 18:06:54Z chambm $
//
//
// Original author: Witold Wolski <wewolski@gmail.com>
//
// Copyright : ETH Zurich
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#ifndef BREAKSSPEC_H
#define BREAKSSPEC_H
#include <vector>
namespace ralab
{
namespace base
{
namespace resample{
/*! \brief Segment mass range according to Mass Compare functor
could be used to histogram a dataset or to compute minima for each segment
in order to perform baseline subtraction.
*/
template<typename TMassComparator>
void breaks
(
double minMass,
double maxMass,
TMassComparator tmassComp,
std::vector<double> & breaks,
bool exact = false
)
{
double startMass;
double endMass = maxMass;
if(exact)
{
startMass = minMass;
}
else
{
startMass = minMass - tmassComp(minMass)/2.;
}
breaks.push_back(startMass);
do
{
startMass = startMass + tmassComp(startMass);
breaks.push_back(startMass );
}while( startMass < endMass);
if(exact)
{
breaks.back() = endMass;
}
}
/*\compute mids for breaks
*/
template<
typename TInputIterator,
typename TOutputIterator
>
TOutputIterator getMids(TInputIterator breaksBeg,
TInputIterator breaksEnd,
TOutputIterator midsBeg
)
{
typedef typename std::iterator_traits<TInputIterator>::value_type TReal;
TReal oldval = *breaksBeg;
TReal divider = TReal(0.5);
++breaksBeg;
for( ; breaksBeg != breaksEnd; ++breaksBeg, ++midsBeg )
{
TReal newval = *(breaksBeg);
*midsBeg = (oldval + newval)*divider;
oldval = newval;
}
return midsBeg;
}
/*!\brief Dummy version of getMids*/
inline void getMids(
const std::vector<double> &breaks,
std::vector<double> & mids
)
{
mids.resize(breaks.size()-1);
getMids(breaks.begin(), breaks.end(), mids.begin() );
}
}//end resample
}//end base
}//end ralab
#endif // BREAKSSPEC_H
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