From a95c008e4f674dd51153cd990b735f0bdc91abfc Mon Sep 17 00:00:00 2001
From: conrad <conrad@localhost.localdomain>
Date: Tue, 25 Jan 2022 16:50:43 +1000
Subject: [PATCH] only apply sym optimisation if matrix is large enough, due to
 issues with openmp variant of openblas

---
 include/armadillo_bits/op_rank_meat.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/armadillo_bits/op_rank_meat.hpp b/include/armadillo_bits/op_rank_meat.hpp
index 16fe103d..fadf0368 100644
--- a/include/armadillo_bits/op_rank_meat.hpp
+++ b/include/armadillo_bits/op_rank_meat.hpp
@@ -45,7 +45,7 @@ op_rank::apply(uword& out, const Base<typename T1::elem_type,T1>& expr, const ty
   #if defined(ARMA_OPTIMISE_SYMPD)
     bool do_sym = false;
     
-    if(auxlib::crippled_lapack(A) == false)
+    if((auxlib::crippled_lapack(A) == false) && (A.n_rows >= uword(96)))
       {
       bool is_approx_sym   = false;
       bool is_approx_sympd = false;