Complex processes

Sometimes we wish to combine two or more streams of data. There are two many combinations of inputs and output, passive and active inputs, to support directly, however some simple cases are provided for. Implementing other more complex combinations for a specific application is not complicated. As before both the use of simple functions and processes based on classes are supported. The wrappers of multiple argument processes are show in Figure 5 and Figure 6.

Figure 5: 2 Argument process

Figure 6: 3 Argument process

The following example is not as elegant as previous examples, as the two input streams are setup separately to aid clarity. Figure 7 shows the pipelines created.

Figure 7: Example of a 2 input process.

DPIFileC<IntT> src1("in.dat");
DPIPortC<RealT> src2 = DPIFileC<RealT>("in2.dat") >> DPOffsetScale(2.0,3.0);
DPIStreamOp21C<IntT,RealT,RealT>(MyComibinationProcC("some parameters"),src1,src2) >> DPOffsetScale(5.0,2.0) >>= DPIFileC<RealT>("out.dat");

Normal classes:

DPProcessC	Templated process handle.
DPFuncP2ProcC	Function ptr to process handle.
DPProcInfoC	Process information.
DPOffsetScaleC	OffsetScale a stream of data.
DPRunningAverageC	Running average on a stream of data.

Normal functions:

Process(OutT (*func)(const InT &) )	Turn a function into a process.
operator >>(const DPProcessC &,OutT (*func)(InterT) )
operator >>(InterT (*func)(InT) ,const DPProcessC &)
DPFunc2Proc(OutT (*func)(const InT &) )
operator >>(const DPProcessC &,OutT (*func)(const InterT &) )
operator >>(InterT (*func)(const InT &) ,const DPProcessC &)
operator >>(InterT (*func1)(InT) ,OutT (*func2)(InterT) )
Process(const ObjT &,OutT (*nmethod)(const InT &) )	Turn a function into a process.
DPOffsetScale(const NumTypeT &,const ScaleT &)
DPRunningAverage(const NumTypeT &,IntT)	Construct a running average.

Advanced classes:

DPProcessBaseC	Process handle base.
DPMethod2ProcC	Methodtion handle.

Develop classes:

DPProcessBaseBodyC	Process Base body.
DPProcessBodyC	Process body.
DPFunc2ProcBodyC	Function body.
DPFunc2ProcC	Function handle.
DPFuncP2ProcBodyC	Function ptr to process body.
DPCPFuncP2ProcBodyC	Function ptr to process, where function has a constant reg as argument.
DPProcInfoBodyC	Process information body.
DPMethod2ProcBodyC	Methodtion body.
DPMethod2Proc21BodyC	Access a 2 argument method to a process.
DPMethod2Proc21C	Access a 2 argument method to a process.
DPMethod2Proc31BodyC	Access a 2 argument method to a process.
DPMethod2Proc31C	Access a 2 argument method to a process.
DPFunc2Proc21BodyC	Access a 2 argument func to a process.
DPFunc2Proc21C	Access a 2 argument func to a process.
DPFunc2Proc31BodyC	Access a 2 argument func to a process.
DPFunc2Proc31C	Access a 2 argument func to a process.
DPOffsetScaleBodyC	OffsetScale and offset by value body
DPRunningAverageBodyC	Running average body class.

Develop functions:

Process(const ObjT &,Out1T (*method)(const In1T &,const In2T &) )	Create a process from a method.
Process(const ObjT &,Out1T (*method)(const In1T &,const In2T &,const In3T &) )	Create a process from a method.
Process(Out1T (*func)(const In1T &,const In2T &) )	Create a process from a func.
Process(Out1T (*func)(const In1T &,const In2T &,const In3T &) )	Create a process from a func.