Example #1
0
	SEXP write_variable_double_FileMatrix_R(SEXP nvar, SEXP data, SEXP s) {
		//testDbg << "write_variable_double_FileMatrix_R"<<endl;
		AbstractMatrix * p = getAbstractMatrixFromSEXP(s);
		if (p == NULL) {
			error_R("pointer is NULL\n");
			return R_NilValue;
		}
		unsigned long nvariable = (unsigned long) INTEGER(nvar)[0] - 1;
		// here generally should be very careful -- what type of data is IN?

		unsigned int nvars = 0;
		unsigned int nobss = 0;

		try {
			nvars = p->getNumVariables();
		} catch (int errocode) {
			return R_NilValue;
		}

		if (nvariable <0 || nvariable >= nvars) {
			error_R("nvar (%lu) out of range!\n",nvariable);
			return R_NilValue;
		}

		try {
			nobss = p->getNumObservations();
		} catch (int errcode) {
			return R_NilValue;
		}

		double * internal_data = new (std::nothrow) double [nobss];

		if (internal_data == NULL) {
			error_R("internal_data pointer is NULL\n");
			return R_NilValue;
		}

		for (unsigned long i=0;i< nobss;i++) {
			internal_data[i] = REAL(data)[i];
		}

		try {
			p->writeVariableAs(nvariable, internal_data);
		} catch (int errcode) {
			delete [] internal_data;
			error_R("can not write variable %ul\n",nvariable);
			return R_NilValue;
		}

		SEXP ret;
		PROTECT(ret = allocVector(LGLSXP, 1));
		LOGICAL(ret)[0] = TRUE;
		delete [] internal_data;

		UNPROTECT(1);
		return ret;
	}
Example #2
0
SEXP write_variable_double_FileMatrix_R(SEXP nvar, SEXP data, SEXP s) {
	CHECK_PTR(s);
	AbstractMatrix * p = (AbstractMatrix*) R_ExternalPtrAddr(s);
	if (p == NULL) {
		error_R("pointer is NULL\n");
		return R_NilValue;
	}
	unsigned long int nvariable = (unsigned long int) INTEGER(nvar)[0];
	// here generally should be very careful -- what type of data is IN?

	unsigned int nvars = 0;
	unsigned int nobss = 0;

	try {
		nvars = p->getNumVariables();
	} catch (int errocode) {
		return R_NilValue;
	}

	if (nvariable < 0 || nvariable >= nvars) {
		error_R("nvar (%lu) out of range!\n", nvariable);
		return R_NilValue;
	}

	try {
		nobss = p->getNumObservations();
	} catch (int errcode) {
		return R_NilValue;
	}

	//		float * internal_data = new (std::nothrow) float [nobss];
	double internal_data[nobss];
	if (internal_data == NULL) {
		error_R("internal_data pointer is NULL\n");
		return R_NilValue;
	}

	for (unsigned long int i = 0; i < nobss; i++) {
		internal_data[i] = (double) REAL(data)[i];
	}

	//		Rprintf("\n%lu, %lu\n",nvariable,nobss);
	//		for (unsigned long int i=0;i< nobss;i++) {
	//			Rprintf("%f ",internal_data[i]);
	//		}
	try {
		p->writeVariableAs(nvariable, internal_data);
	} catch (int errcode) {
		error_R("can not write variable %ul\n", nvariable);
	}

	SEXP ret;
	PROTECT(ret = allocVector(LGLSXP, 1));
	LOGICAL(ret)[0] = TRUE;
	UNPROTECT(1);
	return ret;
}
Example #3
0
	/**
	*  direction: 0 -- copy values from @values to @ptr,
	*             1 -- copy values from @ptr to @values...
	*/
	SEXP assignDoubleMatrix(SEXP ptr, SEXP obsIndexes, SEXP varIndexes, SEXP values, SEXP direction){
		//flush(cout);
		
	    unsigned long varNum, obsNum, obsIndexNum, varIndexNum;

		AbstractMatrix * p = getAbstractMatrixFromSEXP(ptr);
        double coeff = 1. * length(obsIndexes) / p->getNumObservations();

		unsigned long dir = (unsigned long) INTEGER(direction)[0];

        double *currentValues = 0;
        if (!(coeff < WRITE_SPEED_PROPORTION)) {
            currentValues = new double[p->getNumObservations()];
        }

        unsigned long varIndexesLength = length(varIndexes);
        unsigned long obsIndexesLength = length(obsIndexes);

	    for(varIndexNum = 0; varIndexNum < varIndexesLength; varIndexNum ++){
	        varNum = (unsigned long)INTEGER(varIndexes)[varIndexNum]-1;

	        if ( coeff < WRITE_SPEED_PROPORTION) {
		
    	        for(obsIndexNum = 0; obsIndexNum < obsIndexesLength; obsIndexNum ++){
	                obsNum = (unsigned long)INTEGER(obsIndexes)[obsIndexNum]-1;
	                try {
	                    if (dir==0) {
     	                    double value = REAL(values)[varIndexNum *obsIndexesLength + obsIndexNum];
                            p->writeElementAs(varNum, obsNum,value);
                        } else {
     	                    double value;
                            p->readElementAs(varNum, obsNum,value);
                            REAL(values)[varIndexNum *obsIndexesLength + obsIndexNum] = value;
                        }
                    } catch(int errorCode) {
                        return R_NilValue;
                    }
	            }
	        } else {
	            try {
                    if (dir==0) {
    	                p->readVariableAs(varNum, currentValues);
        	            for(obsIndexNum = 0; obsIndexNum < obsIndexesLength; obsIndexNum ++){
    	                    obsNum = (unsigned long)INTEGER(obsIndexes)[obsIndexNum] - 1;
        	                currentValues[obsNum] = REAL(values)[varIndexNum*obsIndexesLength+obsIndexNum];
        	            }
                        p->writeVariableAs(varNum, currentValues);
        	        } else {
    	                p->readVariableAs(varNum, currentValues);
        	            for(obsIndexNum = 0; obsIndexNum < obsIndexesLength; obsIndexNum ++){
    	                    obsNum = (unsigned long)INTEGER(obsIndexes)[obsIndexNum] - 1;
        	                REAL(values)[varIndexNum*obsIndexesLength+obsIndexNum] = currentValues[obsNum];
        	            }
        	        }
                } catch(int errorCode){
                    delete [] currentValues;
                    return R_NilValue;
                }
	        }
	    }

        if (!(coeff < WRITE_SPEED_PROPORTION)) {
	        delete [] currentValues;
	    }

		SEXP ret;
		PROTECT(ret = allocVector(LGLSXP, 1));
		LOGICAL(ret)[0] = TRUE;
		UNPROTECT(1);
		//flush(cout);
		return ret;
	}