cgen: fix printing of floating point values in asserts (#21538)

vlang · May 23, 2024 · 2b1be90 · 2b1be90
1 parent 463125e
commit 2b1be90
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/vlib/v/gen/c/assert.v b/vlib/v/gen/c/assert.v
@@ -182,7 +182,14 @@ fn (mut g Gen) gen_assert_single_expr(expr ast.Expr, typ ast.Type) {
 	// eprintln('> gen_assert_single_expr typ: $typ | expr: $expr | typeof(expr): ${typeof(expr)}')
 	unknown_value := '*unknown value*'
 	match expr {
-		ast.CastExpr, ast.IfExpr, ast.MatchExpr {
+		ast.CastExpr {
+			if typ.is_float() || g.table.final_sym(typ).is_float() {
+				g.gen_expr_to_string(expr.expr, typ)
+			} else {
+				g.write(ctoslit(unknown_value))
+			}
+		}
+		ast.IfExpr, ast.MatchExpr {
 			g.write(ctoslit(unknown_value))
 		}
 		ast.IndexExpr {