本文整理汇总了C++中DataStore::SerializeToOstream方法的典型用法代码示例。如果您正苦于以下问题：C++ DataStore::SerializeToOstream方法的具体用法？C++ DataStore::SerializeToOstream怎么用？C++ DataStore::SerializeToOstream使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类DataStore的用法示例。
在下文中一共展示了DataStore::SerializeToOstream方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: mexFunction
//.........这里部分代码省略.........
/* Add a DataValue for each cell in structure field, only one member if field is numeric */
for(j=0;j<numcells;j++){
/* Ensure data element is double precision numeric data if requested precision is double */
if(!mxIsDouble(matfield) && (DataGroup::DOUBLE == prec || DataGroup::COMPLEXDOUBLE == prec)){
mexErrMsgIdAndTxt("Simatra:simEngine:mexDataStore","Field '%s' does not contain a double precision numeric literal at position %d. Type is '%s'.", fieldname, j, mxGetClassName(matfield));
}
/* Ensure data element is double or single precision if requested precision is single */
if(!mxIsDouble(matfield) && !mxIsSingle(matfield) && (DataGroup::SINGLE == prec || DataGroup::COMPLEXSINGLE == prec)){
mexErrMsgIdAndTxt("Simatra:simEngine:mexDataStore", "Field '%s' does not contain a floating point literal at position %d. Type is '%s'.", fieldname, j, mxGetClassName(matfield));
}
/* Ensure data is not complex if only reals were specified */
if(mxIsComplex(matfield) && (DataGroup::DOUBLE == prec || DataGroup::SINGLE == prec)){
mexErrMsgIdAndTxt("Simatra:simEngine:mexDataStore", "Field '%s' contains a complex literal at position %d but only real values were requested.", fieldname, j);
}
/* Store the contents of the DataValue */
ndims = mxGetNumberOfDimensions(matfield);
dims = mxGetDimensions(matfield);
nelems = 1;
/* Get pointers to the Matlab data */
if(mxIsDouble(matfield)){
dreal = mxGetPr(matfield);
dimag = mxGetPi(matfield);
sreal = NULL;
simag = NULL;
}else if(mxIsSingle(matfield)){
sreal = (float*)mxGetData(matfield);
simag = (float*)mxGetImagData(matfield);
dreal = NULL;
dimag = NULL;
}
dv = dg->add_member();
for(k=0;k<ndims;k++){
nelems *= dims[k];
dv->add_dims(dims[k]);
}
for(k=0;k<nelems;k++){
/* Add data based on type/precision */
switch(prec){
case DataGroup::COMPLEXDOUBLE:
if(dimag){
dv->add_dimag(dimag[k]);
}else{
/* Value had no imaginary data, but complex type is requested */
dv->add_dimag(0.0);
}
/* no break, case falls through to next */
case DataGroup::DOUBLE:
dv->add_dreal(dreal[k]);
break;
/* We allow downconversion from double to single so must check type of data */
case DataGroup::COMPLEXSINGLE:
if(dimag){
dv->add_simag((float)dimag[k]);
}else if(simag){
dv->add_simag(simag[k]);
}else{
/* Value had no imaginary data, but complex type is requested */
dv->add_simag(0.0f);
}
/* no break, case falls through to next */
case DataGroup::SINGLE:
if(dreal){
dv->add_sreal((float)dreal[k]);
}else{
dv->add_sreal(sreal[k]);
}
break;
}
}
/* If structure field is a cell array, advance to next cell */
if(numcells > 1){
matfield = mxGetCell(matcell, j+1);
}
}
}
/* Open the file */
filename = mxArrayToString(prhs[0]);
output.open(filename, ios::out | ios::binary | ios::trunc);
if(output.fail()){
mexErrMsgIdAndTxt("Simatra:simEngine:mexDataStore", "Unable to open file '%s'.", filename);
}
mxFree(filename);
/* Write entire DataStore to file */
if(!ds.SerializeToOstream(&output)){
mexErrMsgIdAndTxt("Simatra:simEngine:mexDataStore", "Unable to serialize data to file '%s'.", filename);
}
output.close();
google::protobuf::ShutdownProtobufLibrary();
}