is_nan            523 python_bindings/python/IROperator.cpp     p::def("is_nan", &h::is_nan, p::args("x"),
is_nan            182 src/Float16.h      EXPORT bool is_nan() const;
is_nan           1295 src/IROperator.h inline Expr is_nan(const Expr &x) {
is_nan            149 test/correctness/float16_t_constants.cpp         h_assert(nanValue.is_nan(), "NaN invalid");
is_nan             12 test/correctness/isnan.cpp     f(x, y) = select(is_nan(e), 0.0f, 1.0f);