From fa63e6d717d1ce9842cc5db05cdcd8136f705f33 Mon Sep 17 00:00:00 2001
From: conrad <conrad@localhost.localdomain>
Date: Tue, 7 Apr 2026 11:33:04 +1000
Subject: [PATCH] distinguish between default and user supplied tolerance

---
 include/armadillo_bits/gmm_diag_meat.hpp     | 2 +-
 include/armadillo_bits/gmm_full_meat.hpp     | 2 +-
 include/armadillo_bits/op_orth_null_meat.hpp | 4 ++--
 include/armadillo_bits/op_pinv_meat.hpp      | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/armadillo_bits/gmm_diag_meat.hpp b/include/armadillo_bits/gmm_diag_meat.hpp
index bd697f93..918d1fa4 100644
--- a/include/armadillo_bits/gmm_diag_meat.hpp
+++ b/include/armadillo_bits/gmm_diag_meat.hpp
@@ -685,7 +685,7 @@ gmm_diag<eT>::learn
   
   arma_conform_check( (dist_mode_ok         == false), "gmm_diag::learn(): dist_mode must be eucl_dist or maha_dist" );
   arma_conform_check( (seed_mode_ok         == false), "gmm_diag::learn(): unknown seed_mode"                        );
-  arma_conform_check( ((var_floor >= eT(0)) == false), "gmm_diag::learn(): variance floor must be >= 0"              );
+  arma_conform_check( ((var_floor >= eT(0)) == false), "gmm_diag::learn(): variance floor must be > 0"               );
   
   const unwrap<T1>   tmp_X(data.get_ref());
   const Mat<eT>& X = tmp_X.M;
diff --git a/include/armadillo_bits/gmm_full_meat.hpp b/include/armadillo_bits/gmm_full_meat.hpp
index aab2c4db..d8cd16a3 100644
--- a/include/armadillo_bits/gmm_full_meat.hpp
+++ b/include/armadillo_bits/gmm_full_meat.hpp
@@ -724,7 +724,7 @@ gmm_full<eT>::learn
   
   arma_conform_check( (dist_mode_ok         == false), "gmm_full::learn(): dist_mode must be eucl_dist or maha_dist" );
   arma_conform_check( (seed_mode_ok         == false), "gmm_full::learn(): unknown seed_mode"                        );
-  arma_conform_check( ((var_floor >= eT(0)) == false), "gmm_full::learn(): variance floor must be >= 0"              );
+  arma_conform_check( ((var_floor >= eT(0)) == false), "gmm_full::learn(): variance floor must be > 0"               );
   
   const unwrap<T1>   tmp_X(data.get_ref());
   const Mat<eT>& X = tmp_X.M;
diff --git a/include/armadillo_bits/op_orth_null_meat.hpp b/include/armadillo_bits/op_orth_null_meat.hpp
index 83c7ddcd..13308ff9 100644
--- a/include/armadillo_bits/op_orth_null_meat.hpp
+++ b/include/armadillo_bits/op_orth_null_meat.hpp
@@ -54,7 +54,7 @@ op_orth::apply_direct(Mat<typename T1::elem_type>& out, const Base<typename T1::
   typedef typename T1::elem_type eT;
   typedef typename T1::pod_type   T;
   
-  arma_conform_check( ((tol >= T(0)) == false), "orth(): tolerance must be >= 0" );
+  arma_conform_check( ((tol >= T(0)) == false), "orth(): tolerance must be > 0" );
   
   Mat<eT> U;
   Col< T> s;
@@ -141,7 +141,7 @@ op_null::apply_direct(Mat<typename T1::elem_type>& out, const Base<typename T1::
   typedef typename T1::elem_type eT;
   typedef typename T1::pod_type   T;
   
-  arma_conform_check( ((tol >= T(0)) == false), "null(): tolerance must be >= 0" );
+  arma_conform_check( ((tol >= T(0)) == false), "null(): tolerance must be > 0" );
   
   Mat<eT> U;
   Col< T> s;
diff --git a/include/armadillo_bits/op_pinv_meat.hpp b/include/armadillo_bits/op_pinv_meat.hpp
index d15cef47..65365a2b 100644
--- a/include/armadillo_bits/op_pinv_meat.hpp
+++ b/include/armadillo_bits/op_pinv_meat.hpp
@@ -94,7 +94,7 @@ op_pinv::apply_direct(Mat<typename T1::elem_type>& out, const Base<typename T1::
   typedef typename T1::elem_type eT;
   typedef typename T1::pod_type   T;
   
-  arma_conform_check( ((tol >= T(0)) == false), "pinv(): tolerance must be >= 0" );
+  arma_conform_check( ((tol >= T(0)) == false), "pinv(): tolerance must be > 0" );
   
   // method_id = 0 -> default setting
   // method_id = 1 -> use standard algorithm