return info.substr(p1+1,p2-p1-1);
}
+/*!
+ * This method put in info format the result of the merge of \a var and \a unit.
+ * The standard format for that is "var [unit]".
+ * Inversely you can retrieve the var part or the unit part of info string using resp. GetVarNameFromInfo and GetUnitFromInfo.
+ */
+std::string DataArray::BuildInfoFromVarAndUnit(const std::string& var, const std::string& unit)
+{
+ std::ostringstream oss;
+ oss << var << " [" << unit << "]";
+ return oss.str();
+}
+
/*!
* Returns a new DataArray by concatenating all given arrays, so that (1) the number
* of tuples in the result array is a sum of the number of tuples of given arrays and (2)
}
/*!
- * Apply a liner function to a given component of \a this array, so that
+ * Apply a linear function to a given component of \a this array, so that
* an array element <em>(x)</em> becomes \f$ a * x + b \f$.
* \param [in] a - the first coefficient of the function.
* \param [in] b - the second coefficient of the function.
* \param [in] compoId - the index of component to modify.
- * \throw If \a this is not allocated.
+ * \throw If \a this is not allocated, or \a compoId is not in [0,\c this->getNumberOfComponents() ).
*/
void DataArrayDouble::applyLin(double a, double b, int compoId)
{
checkAllocated();
- double *ptr=getPointer()+compoId;
- int nbOfComp=getNumberOfComponents();
- int nbOfTuple=getNumberOfTuples();
+ double *ptr(getPointer()+compoId);
+ int nbOfComp(getNumberOfComponents()),nbOfTuple(getNumberOfTuples());
+ if(compoId<0 || compoId>=nbOfComp)
+ {
+ std::ostringstream oss; oss << "DataArrayDouble::applyLin : The compoId requested (" << compoId << ") is not valid ! Must be in [0," << nbOfComp << ") !";
+ throw INTERP_KERNEL::Exception(oss.str().c_str());
+ }
for(int i=0;i<nbOfTuple;i++,ptr+=nbOfComp)
*ptr=a*(*ptr)+b;
declareAsNew();
}
/*!
- * Apply a liner function to all elements of \a this array, so that
+ * Apply a linear function to all elements of \a this array, so that
* an element _x_ becomes \f$ a * x + b \f$.
* \param [in] a - the first coefficient of the function.
* \param [in] b - the second coefficient of the function.
declareAsNew();
}
+/*!
+ * This method is \b NOT wrapped into python because it can be useful only for performance reasons in C++ context.
+ * All values in \a this must be 0. or 1. within eps error. 0 means false, 1 means true.
+ * If an another value than 0 or 1 appear (within eps precision) an INTERP_KERNEL::Exception will be thrown.
+ *
+ * \throw if \a this is not allocated.
+ * \throw if \a this has not exactly one component.
+ */
+std::vector<bool> DataArrayDouble::toVectorOfBool(double eps) const
+{
+ checkAllocated();
+ if(getNumberOfComponents()!=1)
+ throw INTERP_KERNEL::Exception("DataArrayDouble::toVectorOfBool : must be applied on single component array !");
+ int nbt(getNumberOfTuples());
+ std::vector<bool> ret(nbt);
+ const double *pt(begin());
+ for(int i=0;i<nbt;i++)
+ {
+ if(fabs(pt[i])<eps)
+ ret[i]=false;
+ else if(fabs(pt[i]-1.)<eps)
+ ret[i]=true;
+ else
+ {
+ std::ostringstream oss; oss << "DataArrayDouble::toVectorOfBool : the tuple #" << i << " has value " << pt[i] << " is invalid ! must be 0. or 1. !";
+ throw INTERP_KERNEL::Exception(oss.str().c_str());
+ }
+ }
+ return ret;
+}
+
/*!
* Useless method for end user. Only for MPI/Corba/File serialsation for multi arrays class.
* Server side.
return ret;
}
+/// @cond INTERNAL
+namespace ParaMEDMEMImpl
+{
+ class OpSwitchedOn
+ {
+ public:
+ OpSwitchedOn(int *pt):_pt(pt),_cnt(0) { }
+ void operator()(const bool& b) { if(b) *_pt++=_cnt; _cnt++; }
+ private:
+ int *_pt;
+ int _cnt;
+ };
+
+ class OpSwitchedOff
+ {
+ public:
+ OpSwitchedOff(int *pt):_pt(pt),_cnt(0) { }
+ void operator()(const bool& b) { if(!b) *_pt++=_cnt; _cnt++; }
+ private:
+ int *_pt;
+ int _cnt;
+ };
+}
+/// @endcond
+
+/*!
+ * This method returns the list of ids in ascending mode so that v[id]==true.
+ */
+DataArrayInt *DataArrayInt::BuildListOfSwitchedOn(const std::vector<bool>& v)
+{
+ int sz((int)std::count(v.begin(),v.end(),true));
+ MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret(DataArrayInt::New()); ret->alloc(sz,1);
+ std::for_each(v.begin(),v.end(),ParaMEDMEMImpl::OpSwitchedOn(ret->getPointer()));
+ return ret.retn();
+}
+
+/*!
+ * This method returns the list of ids in ascending mode so that v[id]==false.
+ */
+DataArrayInt *DataArrayInt::BuildListOfSwitchedOff(const std::vector<bool>& v)
+{
+ int sz((int)std::count(v.begin(),v.end(),false));
+ MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret(DataArrayInt::New()); ret->alloc(sz,1);
+ std::for_each(v.begin(),v.end(),ParaMEDMEMImpl::OpSwitchedOff(ret->getPointer()));
+ return ret.retn();
+}
+
/*!
* This method allows to put a vector of vector of integer into a more compact data stucture (skyline).
* This method is not available into python because no available optimized data structure available to map std::vector< std::vector<int> >.