let floor: float => float;
let int_of_float: float => int;
let float_of_int: int => float;
let caml_int32_float_of_bits: int32 => float;
let caml_int32_bits_of_float: float => int32;
let caml_modf_float: float => (float, float);
let caml_ldexp_float: float => int => float;
let caml_frexp_float: float => (float, int);
let caml_copysign_float: float => float => float;
let caml_expm1_float: float => float;
let caml_hypot_float: float => float => float;
let caml_log10_float: float => float;