Fix Issue #571

thelfer · May 23, 2024 · 6d7a125 · 6d7a125
1 parent af59dda
commit 6d7a125
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diff --git a/docs/web/release-notes-4.0.3.md b/docs/web/release-notes-4.0.3.md
@@ -19,6 +19,10 @@ eqnPrefixTemplate: "($$i$$)"
 
 # Issues fixed
 
+## Issue 571: [mtest] fix handling of the tangent operator blocks in the GenericBehaviour class
+
+For more details, see <https://github.com/thelfer/tfel/issues/571>
+
 ## Issue 562: [cmake] fix enable-static option
 
 For more details, see <https://github.com/thelfer/tfel/issues/562>

diff --git a/mtest/src/GenericBehaviour.cxx b/mtest/src/GenericBehaviour.cxx
@@ -654,9 +654,9 @@ namespace mtest {
           const auto g_size = mtest::getVariableSize(this->gtypes[gpos], h);
           const auto th_size = mtest::getVariableSize(this->thtypes[tfpos], h);
           const auto p = wk.D.begin();
-          for (size_type i = 0; i != g_size; ++i) {
-            for (size_type j = 0; j != th_size; ++j) {
-              Kt(og + i, otf + j) = p[to_offset + i * th_size + j];
+          for (size_type i = 0; i != th_size; ++i) {
+            for (size_type j = 0; j != g_size; ++j) {
+              Kt(otf + i, og + j) = p[to_offset + i * g_size + j];
             }
           }
           to_offset += to_ro * to_co;