1 files changed, 5 insertions, 3 deletions
diff --git a/src/runtime/c/pgf/data.h b/src/runtime/c/pgf/data.h
index 552613c55..a8b4d8f53 100644
--- a/src/runtime/c/pgf/data.h
+++ b/src/runtime/c/pgf/data.h
@@ -123,8 +123,10 @@ struct PgfPGF {
 
 extern GU_DECLARE_TYPE(PgfPGF, struct);
 
+typedef float prob_t;
+
 typedef struct {
-	float prob;
+	prob_t prob;
 	PgfExpr expr;
 } PgfExprProb;
 
@@ -151,8 +153,8 @@ struct PgfCat {
 	PgfCId name;
 	PgfHypos context;
 
-	float meta_prob;
-	float meta_token_prob;
+	prob_t meta_prob;
+	prob_t meta_token_prob;
 	PgfMetaChildMap* meta_child_probs;
 
 	GuLength n_functions;