Eigen matrix doesn't support iterators

boostorg · May 17, 2024 · 903d23c · 903d23c
1 parent ded45c0
commit 903d23c
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/test/boost_math_issue_1131.cpp b/test/boost_math_issue_1131.cpp
@@ -6,18 +6,18 @@
 #include <Eigen/Eigenvalues>
 #include <boost/multiprecision/eigen.hpp>
 #include <boost/multiprecision/cpp_bin_float.hpp>
+#include <iostream>
 
 using boost::multiprecision::cpp_bin_float_100;
 
 int main() {
-
     Eigen::Matrix<cpp_bin_float_100, Eigen::Dynamic, Eigen::Dynamic> A = Eigen::Matrix<cpp_bin_float_100, Eigen::Dynamic, Eigen::Dynamic>::Identity(3,3);
     Eigen::EigenSolver<decltype(A)> es;
     es.compute(A, /*computeEigenvectors=*/ false);
 
     auto eigs = es.eigenvalues();
-    for (auto eig : eigs) {
-        std::cout << eig << "\n";
+    for (std::size_t i = 0; i < eigs.size(); ++i) {
+        std::cout << eigs[i] << "\n";
     }
 
     return 0;