reg3:: crash when matrix_order result appears to be greater than 1000

2026-01-03 18:59:03 +00:00 · 2025-06-22 19:02:55 +02:00
parent 2ccba49023
commit 39c7004747
1 changed files with 1 additions and 0 deletions
--- a/reg3.cpp
+++ b/reg3.cpp
@@ -2883,6 +2883,7 @@ EX int matrix_order(const transmatrix A) {
  transmatrix T = A;
  int res = 1;
  while(!eqmatrix(T, Id)) {
+    if(res >= 1000) throw hr_exception("matrix_order failed");
    res++; T = T * A;
    }
  return res;