Fix FSA detection for models without states (#2749)

FFroehlich · web-flow · commit 067e5a09c07b · 2025-05-21T08:18:25.000Z
diff --git a/include/amici/solver.h b/include/amici/solver.h
@@ -812,7 +812,7 @@ class Solver {
     bool computingFSA() const {
         return getSensitivityOrder() >= SensitivityOrder::first
                && getSensitivityMethod() == SensitivityMethod::forward
-               && nplist() > 0;
+               && nplist() > 0 && nx() > 0;
     }
 
     /**

Original file line number	Diff line number	Diff line change
`@@ -812,7 +812,7 @@ class Solver {`
`812`	`812`	`bool computingFSA() const {`
`813`	`813`	`return getSensitivityOrder() >= SensitivityOrder::first`
`814`	`814`	`&& getSensitivityMethod() == SensitivityMethod::forward`
`815`		`- && nplist() > 0;`
	`815`	`+ && nplist() > 0 && nx() > 0;`
`816`	`816`	`}`
`817`	`817`
`818`	`818`	`/**`