gh-136: Fix test passing/log-float.pre

Author: python-processing-unit

tests/cases/passing/log-float.pre

@@ -1,2 +1,2 @@
-ASSERT(EQ(LOG(0d3.5), 0d1))
-ASSERT(EQ(LOG(0d16.0), 0d4))
+ASSERT(EQ(LOG(0b11.1), 0b1.0))
+ASSERT(EQ(LOG(0b10000.0), 0b100.0))