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This commit is contained in:
396
include/cafeConvert.h
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396
include/cafeConvert.h
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///
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/// \file cafeConvert.h
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/// \author Jan Chrin, PSI
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/// \date Release: February 2015
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/// \version CAFE 1.0.0
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///
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#ifndef CAFECONVERT_H
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#define CAFECONVERT_H
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#include <cafeDataType.h>
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#include <cstdlib> // g++ 4.4.4
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#include <cstdio>
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#include <boost/math/special_functions/fpclassify.hpp>
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using namespace std;
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/**
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* CAFEConvert Template \n
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* CTYPE is the input data type \n
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* PVDataHolder methods use CAFEConvert as follows: \n
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* method getAsDouble() converts CTYPE to double \n
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* method getAsFloat () converts CTYPE to float \n
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* method getAsShort () converts CTYPE to short \n
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* method getAsEnum () converts CTYPE to enum \n
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* method getAsChar () converts CTYPE to char \n
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* method getAsLong () converts CTYPE to int \n
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* method getAsString() converts CTYPE to string \n
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*
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*/
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template <class CTYPE> class CAFEConvert {
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private:
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CTYPE returnVal[1];
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public:
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CAFEConvert (unsigned int nelem){};
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CAFEConvert (){};
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~CAFEConvert (){};
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CTYPE * get(unsigned int index, CAFE_DATATYPE dt, CAFE_DATATYPE_UNION_SEQ val);
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CTYPE * getString(unsigned int index, CAFE_DATATYPE dt, CAFE_DATATYPE_UNION_SEQ val);
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CTYPE * getStringFromEnum(unsigned int index, unsigned int noStr, CAFE_DATATYPE_UNION_SEQ val, char stig[MAX_ENUM_STATES][MAX_ENUM_STRING_SIZE]);
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CTYPE * get(CAFE_DATATYPE dt, CAFE_DATATYPE_UNION val);
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CTYPE * getString(CAFE_DATATYPE dt, CAFE_DATATYPE_UNION val);
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};
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/**
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* Converts from native type to CTYPE
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* \param dt input: CAFE_DATATYPE
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* \param val input: CAFE_DATATYPE_UNION
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* \return CTYPE
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*/
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template <class CTYPE> CTYPE * CAFEConvert<CTYPE>::get (CAFE_DATATYPE dt, CAFE_DATATYPE_UNION val)
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{
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#define __METHOD__ "CAFEConvert<CTYPE>::get(dt, val)"
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// (boost::math::isnan) calls the Boost version of the isnan macro
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// Valid for all types that have numeric_limits support
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// (brackets required) to avoid compiler error should isnan also be a native macro
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switch (dt) {
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case CAFE_DOUBLE:
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if ( (boost::math::isnan)((CTYPE) val.d) ) {
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returnVal[0]= (CTYPE) val.d;
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}
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else {
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returnVal[0]= (CTYPE) 0;
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}
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break;
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case CAFE_FLOAT:
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if ( (boost::math::isnan)((CTYPE) val.f) ) {
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returnVal[0]= (CTYPE) val.f;
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} else {
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returnVal[0]= 0;
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}
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break;
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case CAFE_LONG:
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returnVal[0]= (CTYPE) val.l;
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break;
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case CAFE_SHORT:
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returnVal[0]= (CTYPE) val.s;
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break;
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case CAFE_ENUM:
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returnVal[0]= (CTYPE) val.us;
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break;
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case CAFE_CHAR:
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returnVal[0]= (CTYPE) val.ch;
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break;
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case CAFE_STRING:
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returnVal[0]= (CTYPE) strtod( val.str, NULL);
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break;
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case CAFE_TYPENOTCONN:
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//cout << __FILE__ << "/" << __LINE__ << "/" << __METHOD__
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// << " CAFE_TYPENOTCONN: dataType: " << dt << " " << endl;
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returnVal[0]=0;
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break;
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case CAFE_NO_ACCESS:
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//cout << __FILE__ << "/" << __LINE__ << "/" << __METHOD__
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// << " CAFE_NO_ACCESS: dataType: " << dt << " " << endl;
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returnVal[0]=0;
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break;
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case CAFE_INVALID_DATATYPE:
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//cout << __FILE__ << "/" << __LINE__ << "/" << __METHOD__
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// << " CAFE_INVALID_DATATYPE: dataType: " << dt << " " << endl;
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returnVal[0]=0;
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break;
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case CAFE_NOT_REQUESTED:
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//cout << __FILE__ << "/" << __LINE__ << "/" << __METHOD__
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// << " CAFE_NOT_REQUESTED: dataType: " << dt << " " << endl;
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returnVal[0]=0;
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break;
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case CAFE_NOT_SHOWN:
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//cout << __FILE__ << "/" << __LINE__ << "/" << __METHOD__
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// << " CAFE_INVALID_DATATYPE: dataType: " << dt << " " << endl;
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returnVal[0]=0;
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break;
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default:
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cout << __FILE__ << "/" << __LINE__ << "/" << __METHOD__
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<< " CAFE INTERNAL ERROR: Unknown dataType: " << dt << " " << endl;
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returnVal[0]=0;
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break;
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}
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return (CTYPE *) returnVal;
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#undef __METHOD__
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}
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/**
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* Converts from native type to CTYPE
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* \param index input: index to val array
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* \param dt input: CAFE_DATATYPE
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* \param val input: CAFE_DATATYPE_UNION_SEQ
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* \return CTYPE
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*/
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template <class CTYPE> CTYPE * CAFEConvert<CTYPE>::get (unsigned int index, CAFE_DATATYPE dt, CAFE_DATATYPE_UNION_SEQ val)
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{
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#define __METHOD__ "CAFEConvert<CTYPE>::get(index, dt, val[])"
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switch (dt) {
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case CAFE_DOUBLE:
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returnVal[0]= (CTYPE) val[index].d;
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break;
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case CAFE_FLOAT:
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returnVal[0]= (CTYPE) val[index].f;
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break;
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case CAFE_LONG:
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returnVal[0]= (CTYPE) val[index].l;
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break;
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case CAFE_SHORT:
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returnVal[0]= (CTYPE) val[index].s;
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break;
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case CAFE_ENUM:
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returnVal[0]= (CTYPE) val[index].us;
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break;
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case CAFE_CHAR:
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returnVal[0]= (CTYPE) val[index].ch;
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break;
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case CAFE_STRING:
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returnVal[0]= (CTYPE) strtod( val[index].str, NULL);
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break;
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case CAFE_TYPENOTCONN:
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//cout << __FILE__ << "/" << __LINE__ << "/" << __METHOD__
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// << " CAFE_TYPENOTCONN: dataType: " << dt << " " << endl;
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returnVal[0]=0;
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break;
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case CAFE_NO_ACCESS:
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//cout << __FILE__ << "/" << __LINE__ << "/" << __METHOD__
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// << " CAFE_NO_ACCESS: dataType: " << dt << " " << endl;
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returnVal[0]=0;
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break;
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case CAFE_INVALID_DATATYPE:
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//cout << __FILE__ << "/" << __LINE__ << "/" << __METHOD__
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// << " CAFE_INVALID_DATATYPE: dataType: " << dt << " " << endl;
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returnVal[0]=0;
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break;
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case CAFE_NOT_REQUESTED:
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//cout << __FILE__ << "/" << __LINE__ << "/" << __METHOD__
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// << " CAFE_NOT_REQUESTED: dataType: " << dt << " " << endl;
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returnVal[0]=0;
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break;
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case CAFE_NOT_SHOWN:
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//cout << __FILE__ << "/" << __LINE__ << "/" << __METHOD__
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// << " CAFE_INVALID_DATATYPE: dataType: " << dt << " " << endl;
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returnVal[0]=0;
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break;
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default:
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cout << __FILE__ << "/" << __LINE__ << "/" << __METHOD__
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<< " CAFE INTERNAL ERROR: Unknown dataType: " << dt << " " << endl;
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returnVal[0]=0;
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break;
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}
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return (CTYPE *) returnVal;
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#undef __METHOD__
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};
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/**
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* Converts from DBR_ENUM type to CTYPE=STRING
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* \param index input: index to val array
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* \param noStr input: number of enumerations
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* \param val input: CAFE_DATATYPE_UNION_SEQ
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* \param stig input: stig[MAX_ENUM_STATES][MAX_ENUM_STRING_SIZE] an array of enum choices
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* \return CTYPE
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*/
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template <class CTYPE> CTYPE * CAFEConvert<CTYPE>::getStringFromEnum (unsigned int index, unsigned int noStr, CAFE_DATATYPE_UNION_SEQ val,
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char stig[MAX_ENUM_STATES][MAX_ENUM_STRING_SIZE])
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{
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#define __METHOD__ "CAFEConvert<CTYPE>::getStringFromEnum(indx, noStr, val, stig)"
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unsigned int noEmptyStrings=0;
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//Check for empty strings:
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for (unsigned int j=0; j<noStr; ++j) {
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if (strcmp(stig[j],"")==0) {
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++noEmptyStrings;
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}
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}
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if (noStr==noEmptyStrings) {
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cout << "*** WARNING FROM " << __METHOD__ << " *** " << endl;
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cout << "ENUM STRING OPTIONS ARE ALL EMPTY! " << endl;
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cout << "BADLY CONFIGURED EPICS RECORD. " << endl;
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}
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if (index < noStr && noStr!=noEmptyStrings) {
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sprintf(returnVal[0], "%s", stig[val[index].us] );
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}
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else {
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sprintf(returnVal[0], "%d", val[index].us );
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if ( val[index].us>= noStr) {
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cout << "*** WARNING FROM " << __METHOD__ << " *** " << endl;
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cout << "ENUM UNSIGNED SHORT VALUE IS GREATER THAN THE NO OF ENUMERATED TYPES" << endl;
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cout << "VALUE (unsigned short) = " << val[index].us << endl;
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cout << "NO OF ENUMERATED STRINGS = " << noStr << " WITH VALUES: " << endl;
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for (unsigned int j=0; j<noStr; ++j) {
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cout << stig[j] << " [" <<j << "] ";
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}
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cout << endl;
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}
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}
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return (CTYPE *) returnVal;
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#undef __METHOD__
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};
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/**
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* Converts from native type to CTYPE=STRING
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* \param index input: index to val array
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* \param dt input: CAFE_DATATYPE
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* \param val input: CAFE_DATATYPE_UNION_SEQ
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* \return CTYPE
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*/
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template <class CTYPE> CTYPE * CAFEConvert<CTYPE>::getString (unsigned int index, CAFE_DATATYPE dt, CAFE_DATATYPE_UNION_SEQ val)
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{
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#define __METHOD__ "CAFEConvert<CTYPE>::getString(nelem, dt, val[])"
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switch (dt) {
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case CAFE_STRING:
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sprintf(returnVal[0], "%s", val[index].str);
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break;
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case CAFE_CHAR:
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sprintf(returnVal[0], "%u", val[index].ch);
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break;
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case CAFE_FLOAT:
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sprintf(returnVal[0], "%f", val[index].f); //floats offer a precision of 6
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break;
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case CAFE_DOUBLE:
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sprintf(returnVal[0], "%.15f", val[index].d); //double offer a precicion of 15
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break;
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case CAFE_SHORT:
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sprintf(returnVal[0], "%d", val[index].s);
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break;
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case CAFE_LONG:
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sprintf(returnVal[0], "%d", val[index].l);
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break;
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case CAFE_ENUM:
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sprintf(returnVal[0], "%u", val[index].us);
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break;
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case CAFE_TYPENOTCONN:
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//cout << __FILE__ << "//" << __LINE__ << "//" << __METHOD__ << endl;
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//cout << " ERROR CAFE_TYPENOTCONN: dataType: " << dt << " " << endl;
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sprintf(returnVal[0], "%s", "0"); //CAFE_TYPENOTCONN");
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break;
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case CAFE_NO_ACCESS:
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//cout << __FILE__ << "//" << __LINE__ << "//" << __METHOD__ << endl;
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//cout << " CAFE_NO_ACCESS: dataType: " << dt << " " << endl;
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sprintf(returnVal[0], "%s", "0"); //"CAFE_NO_ACCESS");
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break;
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case CAFE_INVALID_DATATYPE:
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//cout << __FILE__ << "//" << __LINE__ << "//" << __METHOD__ << endl;
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//cout<< " CAFE_INVALID_DATATYPE: dataType: " << dt << " " << endl;
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sprintf(returnVal[0], "%s", "0"); //"CAFE_INVALID_DATATYPE");
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break;
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case CAFE_NOT_REQUESTED:
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//cout << __FILE__ << "//" << __LINE__ << "//" << __METHOD__ << endl;
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//cout<< " CAFE_NOT_REQUESTED: dataType: " << dt << " " << endl;
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sprintf(returnVal[0], "%s", "0"); //"");
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break;
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case CAFE_NOT_SHOWN:
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//cout << __FILE__ << "//" << __LINE__ << "//" << __METHOD__ << endl;
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//cout<< " CAFE_NOT_SHOWN: dataType: " << dt << " " << endl;
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sprintf(returnVal[0], "%s", "0"); // "CAFE_NOT_SHOWN");
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break;
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default:
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//cout << __FILE__ << "//" << __LINE__ << "//" << __METHOD__ << endl;
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//cout<< " CAFE INTERNAL ERROR: Unknown dataType: "<< dt << " " << endl;
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sprintf(returnVal[0], "%s", "0");// "Unknown dataType");
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break;
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}
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return (CTYPE *) returnVal;
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#undef __METHOD__
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};
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/**
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* Converts from native type to CTYPE=STRING
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* \param dt input: CAFE_DATATYPE
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* \param val CAFE_DATATYPE_UNION input
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* \return CTYPE
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*/
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template <class CTYPE> CTYPE * CAFEConvert<CTYPE>::getString (CAFE_DATATYPE dt, CAFE_DATATYPE_UNION val)
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{
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#define __METHOD__ "CAFEConvert<CTYPE>::getString(dt, val[])"
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switch (dt) {
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case CAFE_STRING:
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sprintf(returnVal[0], "%s", val.str);
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break;
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case CAFE_CHAR:
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sprintf(returnVal[0], "%u", val.ch);
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break;
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case CAFE_FLOAT:
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sprintf(returnVal[0], "%f", val.f); //floats offer a precision of 6
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break;
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case CAFE_DOUBLE:
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sprintf(returnVal[0], "%.15f", val.d); //double offer a precicion of 15
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break;
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case CAFE_SHORT:
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sprintf(returnVal[0], "%d", val.s);
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break;
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case CAFE_LONG:
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sprintf(returnVal[0], "%d", val.l);
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break;
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case CAFE_ENUM:
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sprintf(returnVal[0], "%u", val.us);
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break;
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case CAFE_TYPENOTCONN:
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//cout << __FILE__ << "//" << __LINE__ << "//" << __METHOD__ << endl;
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//cout << " ERROR CAFE_TYPENOTCONN: dataType: " << dt << " " << endl;
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sprintf(returnVal[0], "%s", "0"); //CAFE_TYPENOTCONN");
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break;
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case CAFE_NO_ACCESS:
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//cout << __FILE__ << "//" << __LINE__ << "//" << __METHOD__ << endl;
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//cout << " CAFE_NO_ACCESS: dataType: " << dt << " " << endl;
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sprintf(returnVal[0], "%s", "0"); //"CAFE_NO_ACCESS");
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break;
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case CAFE_INVALID_DATATYPE:
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//cout << __FILE__ << "//" << __LINE__ << "//" << __METHOD__ << endl;
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//cout<< " CAFE_INVALID_DATATYPE: dataType: " << dt << " " << endl;
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sprintf(returnVal[0], "%s", "0"); //"CAFE_INVALID_DATATYPE");
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break;
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case CAFE_NOT_REQUESTED:
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//cout << __FILE__ << "//" << __LINE__ << "//" << __METHOD__ << endl;
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//cout<< " CAFE_NOT_REQUESTED: dataType: " << dt << " " << endl;
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sprintf(returnVal[0], "%s", "0"); //"");
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break;
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case CAFE_NOT_SHOWN:
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//cout << __FILE__ << "//" << __LINE__ << "//" << __METHOD__ << endl;
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//cout<< " CAFE_NOT_SHOWN: dataType: " << dt << " " << endl;
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sprintf(returnVal[0], "%s", "0"); // "CAFE_NOT_SHOWN");
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break;
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default:
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//cout << __FILE__ << "//" << __LINE__ << "//" << __METHOD__ << endl;
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//cout<< " CAFE INTERNAL ERROR: Unknown dataType: "<< dt << " " << endl;
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sprintf(returnVal[0], "%s", "0");// "Unknown dataType");
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break;
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}
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return (CTYPE *) returnVal;
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#undef __METHOD__
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};
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#endif
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