Rcpp Version 0.12.12
convolve11_cpp.cpp
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1 // -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*-
2 
3 // This version uses nona to indicate that xb does not contain any missing
4 // value. This is the assumption that all other versions do.
5 
6 #include <Rcpp.h>
7 using namespace Rcpp ;
8 
9 
10 RcppExport SEXP convolve11cpp(SEXP a, SEXP b) {
11  NumericVector xa(a); int n_xa = xa.size() ;
12  NumericVector xb(b); int n_xb = xb.size() ;
13  NumericVector xab(n_xa + n_xb - 1,0.0);
14 
15  Range r( 0, n_xb-1 );
16  for(int i=0; i<n_xa; i++, r++){
17  xab[ r ] += noNA(xa[i]) * noNA(xb) ;
18  }
19  return xab ;
20 }
21 
22 #include "loopmacro.h"
24 
#define LOOPMACRO_CPP(name)
Definition: loopmacro.h:12
#define RcppExport
Definition: RcppCommon.h:129
sugar::Nona< RTYPE, NA, VECTOR > noNA(const Rcpp::VectorBase< RTYPE, NA, VECTOR > &vec)
Definition: nona.h:74
R_xlen_t size() const
Definition: Vector.h:274
RcppExport SEXP convolve11cpp(SEXP a, SEXP b)
Rcpp API.
Definition: algo.h:28