From a42022ca981a0eb49837bf487aca20b0442e033c Mon Sep 17 00:00:00 2001
From: Julio Machado Silva <jmachado@amd.com>
Date: Tue, 25 Jun 2024 09:50:28 -0600
Subject: [PATCH] Update getrf_large test

---
 clients/common/lapack/testing_getrf_large.hpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/clients/common/lapack/testing_getrf_large.hpp b/clients/common/lapack/testing_getrf_large.hpp
index c0a381f3a..f3bf356a7 100644
--- a/clients/common/lapack/testing_getrf_large.hpp
+++ b/clients/common/lapack/testing_getrf_large.hpp
@@ -467,9 +467,11 @@ void testing_getrf_large(Arguments& argus)
     }
 
     // validate results for rocsolver-test
-    // using min(m,n) * machine_precision as tolerance
+    // using 4 * kappa * min(m,n) * machine_precision as tolerance,
+    // where kappa stands for the condition number of the input matrix
+    double kappa = 1.; // approximation to matrix condition number
     if(argus.unit_check)
-        ROCSOLVER_TEST_CHECK(T, max_error, min(n, n));
+        ROCSOLVER_TEST_CHECK(T, max_error, 4 * kappa * n);
     // output results for rocsolver-bench
     if(argus.timing)
     {