+math
+isfinite [test $REPLACE_FMOD = 1]
+signbit [test $REPLACE_FMOD = 1]
+fabs [test $REPLACE_FMOD = 1]
+frexp [test $REPLACE_FMOD = 1]
+trunc [test $REPLACE_FMOD = 1]
+ldexp [test $REPLACE_FMOD = 1]
+isnand [test $REPLACE_FMOD = 1]
+isinf [test $REPLACE_FMOD = 1]