From ca073fd9ef32718161a53c903f8d258438009ed8 Mon Sep 17 00:00:00 2001
From: Varun Agrawal <varagrawal@gmail.com>
Date: Thu, 29 Aug 2024 19:32:19 -0400
Subject: [PATCH] fix bug in prob_m_z

---
 gtsam/hybrid/tests/testGaussianMixtureFactor.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gtsam/hybrid/tests/testGaussianMixtureFactor.cpp b/gtsam/hybrid/tests/testGaussianMixtureFactor.cpp
index 8d2fba821..c473e567c 100644
--- a/gtsam/hybrid/tests/testGaussianMixtureFactor.cpp
+++ b/gtsam/hybrid/tests/testGaussianMixtureFactor.cpp
@@ -212,7 +212,7 @@ namespace test_gmm {
 double prob_m_z(double mu0, double mu1, double sigma0, double sigma1,
                 double z) {
   double x1 = ((z - mu0) / sigma0), x2 = ((z - mu1) / sigma1);
-  double d = sigma0 / sigma1;
+  double d = sigma1 / sigma0;
   double e = d * std::exp(-0.5 * (x1 * x1 - x2 * x2));
   return 1 / (1 + e);
 };