test_cnpy_eigen.cxx File Reference

#include "WireCellUtil/cnpy.h"
#include <Eigen/Core>

Go to the source code of this file.

Typedefs
typedef Eigen::Array< short, Eigen::Dynamic, Eigen::Dynamic >	ArrayXXs

Functions
int	main (int argc, char *argv[])

Variables
const int	Nchanc = 480
const int	Ntick = 2000

Typedef Documentation

typedef Eigen::Array<short, Eigen::Dynamic, Eigen::Dynamic> ArrayXXs

Definition at line 5 of file test_cnpy_eigen.cxx.

Function Documentation

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 11 of file test_cnpy_eigen.cxx.

{
    std::string name = argv[0];
    name += ".npz";

    //ArrayXXs a = ArrayXXs::Random(Nchanc,Ntick);
    ArrayXXs a = ArrayXXs::Zero(Nchanc,Ntick);
    a(0,1000) = 1000;
    a(400,0) = 400;
    const short* data = a.data();
    cnpy::npz_save<short>(name.c_str(), "a", data, {Ntick, Nchanc}, "w");
    /*
      >>> import numpy
      >>> f = numpy.load("eigentest.npz")
      >>> a = f['a']
      >>> print a.shape, a[0,400], a[1000,0]
      (2000, 480) 400 1000
     */
    return 0;
}

Variable Documentation

const int Nchanc = 480

Definition at line 7 of file test_cnpy_eigen.cxx.

const int Ntick = 2000

Definition at line 9 of file test_cnpy_eigen.cxx.