IOSS: Fix so line decomposition uses same integer size as calling code

sandialabs · Oct 9, 2024 · 0f7dffb · 0f7dffb
1 parent d0e1d30
commit 0f7dffb
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/packages/seacas/libraries/ioss/src/Ioss_Version.h b/packages/seacas/libraries/ioss/src/Ioss_Version.h
@@ -6,5 +6,5 @@
 
 #pragma once
 namespace Ioss {
-  inline const char *Version() { return "2024-03-19"; }
+  inline const char *Version() { return "2024-10-09"; }
 } // namespace Ioss
diff --git a/packages/seacas/libraries/ioss/src/exodus/Ioex_DecompositionData.C b/packages/seacas/libraries/ioss/src/exodus/Ioex_DecompositionData.C
@@ -289,6 +289,15 @@ namespace Ioex {
         Ioss::PropertyManager properties;
         Ioss::DatabaseIO     *dbi = Ioss::IOFactory::create(
             "exodus", filename, Ioss::READ_RESTART, Ioss::ParallelUtils::comm_self(), properties);
+
+        // Set integer size to match what the caller is using
+        if (sizeof(INT) == 8) {
+          dbi->set_int_byte_size_api(Ioss::USE_INT64_API);
+        }
+        else {
+          dbi->set_int_byte_size_api(Ioss::USE_INT32_API);
+        }
+
         Ioss::Region region(dbi, "line_decomp_region");
 
         Ioss::DecompUtils::line_decompose(region, m_processorCount, m_decomposition.m_method,