NextflowRunner: Automatically convert integers to doubles when argument type is double

Author: rcannood

CHANGELOG.md

@@ -1,3 +1,9 @@
+# Viash 0.8.8 (xxxx-xx-xx): xxxx
+
+## BUG FIXES
+
+* `NextflowRunner`: Automatically convert integers to doubles when argument type is `double` (PR #xxx).
+
 # Viash 0.8.7 (2025-04-01): Backport support upcoming version of Nextflow
 
 The upcoming release of Nextflow introduces a new class for loading scripts and renamed the old class.

src/main/resources/io/viash/platforms/nextflow/arguments/_checkArgumentType.nf

@@ -112,6 +112,9 @@ def _checkArgumentType(String stage, Map par, Object value, String errorIdentifi
     if (value instanceof Float) {
       value = value.toDouble()
     }
+    if (value instanceof Integer) {
+      value = value.toDouble()
+    }
     expectedClass = value instanceof Double ? null : "Double"
   } else if (par.type == "boolean" | par.type == "boolean_true" | par.type == "boolean_false") {
     // cast to boolean if need be