view src/armadillo-test.cpp @ 5500:512e69a36d09

Use SSE2 instruction set for i686-w64 target (bug #58807). * src/build-gcc.mk: Set specs to use SSE/SSE2 instructions by default for i686-w64-mingw32 target (Windows 32bit). * src/native-gcc.mk: Set specs to use SSE/SSE2 instructions by default for i686-w64-mingw32 target (Windows 32bit).
author Markus Mützel <markus.muetzel@gmx.de>
date Tue, 21 Jul 2020 20:27:53 +0200
parents 82d1044a4434
children
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/*
 * This file is part of MXE.
 * See index.html for further information.
 */

#include <armadillo>

using namespace arma;

int main()
{
	mat A = randu<mat>(50,50);
	mat B = trans(A)*A;  // generate a symmetric matrix
	
	vec eigval;
	mat eigvec;
	
	// use standard algorithm by default
	eig_sym(eigval, eigvec, B);
	
	// use divide & conquer algorithm
	eig_sym(eigval, eigvec, B, "dc");
	return 0;
}