nojhan
24bc8edd6f
- `std::apply` is part of C++17 and the compiler wants to use it because of ADL. Thus it is now necessary to escape it as `::apply`. - remove some `using namespace std` remaining in the sources. - fix simple warnings.
98 lines
3 KiB
C++
98 lines
3 KiB
C++
#ifdef _MSC_VER
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// to avoid long name warnings
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#pragma warning(disable:4786)
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#endif
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <ctime>
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#include <sstream>
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#include "eoIntBounds.h"
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// the global dummy bounds
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// (used for unbounded variables when bounds are required)
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eoIntNoBounds eoDummyIntNoBounds;
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///////////// helper read functions defined in eoRealBounds.cpp
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extern bool remove_leading(std::string & _s, const std::string _delim);
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extern double read_double(std::string _s);
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extern long int read_int(std::string _s);
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/** the constructor for eoGeneralIntBound - from a string
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*/
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eoIntBounds* eoGeneralIntBounds::getBoundsFromString(std::string _value)
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{
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// now read
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std::string delim(",; ");
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std::string beginOrClose("[(])");
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if (!remove_leading(_value, delim)) // only delimiters were left
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throw eoException("Syntax error in eoGeneralIntBounds Ctor");
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// look for opening char
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size_t posDeb = _value.find_first_of(beginOrClose); // allow ]a,b]
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if (posDeb >= _value.size()) // nothing left to read
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throw eoException("Syntax error in eoGeneralIntBounds Ctor");
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// ending char: next {}() after posDeb
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size_t posFin = _value.find_first_of(beginOrClose,posDeb+1);
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if (posFin >= _value.size()) // not found
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throw eoException("Syntax error in eoGeneralIntBounds Ctor");
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// the bounds
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std::string sBounds = _value.substr(posDeb+1, posFin-posDeb-1);
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// and remove from original string
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_value = _value.substr(posFin+1);
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remove_leading(sBounds, delim);
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size_t posDelim = sBounds.find_first_of(delim);
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if (posDelim >= sBounds.size())
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throw eoException("Syntax error in eoGeneralIntBounds Ctor");
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bool minBounded=false, maxBounded=false;
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long int minBound=0, maxBound=0;
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// min bound
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std::string sMinBounds = sBounds.substr(0,posDelim);
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if ( (sMinBounds != std::string("-inf")) &&
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(sMinBounds != std::string("-infinity"))
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)
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{
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minBounded = true;
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minBound = read_int(sMinBounds);
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}
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// max bound
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size_t posEndDelim = sBounds.find_first_not_of(delim,posDelim);
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std::string sMaxBounds = sBounds.substr(posEndDelim);
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if ( (sMaxBounds != std::string("+inf")) &&
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(sMaxBounds != std::string("+infinity"))
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)
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{
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maxBounded = true;
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maxBound = read_int(sMaxBounds);
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}
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// now create the embedded eoIntBounds object
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eoIntBounds * locBound = nullptr;
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if (minBounded && maxBounded)
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{
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if (maxBound <= minBound)
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throw eoException("Syntax error in eoGeneralIntBounds Ctor");
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locBound = new eoIntInterval(minBound, maxBound);
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}
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else if (!minBounded && !maxBounded) // no bound at all
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locBound = new eoIntNoBounds;
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else if (!minBounded && maxBounded)
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locBound = new eoIntAboveBound(maxBound);
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else if (minBounded && !maxBounded)
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locBound = new eoIntBelowBound(minBound);
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return locBound;
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}
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