From dd3f2bed20a9f3889d9ea5d3297c0dd58aae56bf Mon Sep 17 00:00:00 2001
From: Metin Cakircali <metin.cakircali@ecmwf.int>
Date: Tue, 21 Nov 2023 13:23:29 +0100
Subject: [PATCH] add detail to assert msg

---
 src/metkit/mars/TypeToByListFloat.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/metkit/mars/TypeToByListFloat.cc b/src/metkit/mars/TypeToByListFloat.cc
index b7eedd2..3450cb0 100644
--- a/src/metkit/mars/TypeToByListFloat.cc
+++ b/src/metkit/mars/TypeToByListFloat.cc
@@ -61,8 +61,9 @@ void TypeToByListFloat::expand(const MarsExpandContext& ctx, std::vector<std::st
                 i += 2;
             }
 
-            ASSERT_MSG(from <= to, name_ + ": 'from' value must be less than 'to' value");
-            ASSERT_MSG(by > 0, name_ + ": 'by' value must be a positive number");
+            ASSERT_MSG(from <= to, name_ + ": [" + std::to_string(from) + "] value must be less than [" +
+                                       std::to_string(to) + "] value!");
+            ASSERT_MSG(by > 0, name_ + ": [" + std::to_string(by) + "] value must be a positive number!");
             for (float j = from + by; j <= to; j += by) {
                 newval.push_back(l2s(j));
             }