Constant tract_hir::internal::tract_downcast_rs::__std::arch::x86_64::_MM_FROUND_FLOOR

pub const _MM_FROUND_FLOOR: i32 = _MM_FROUND_RAISE_EXC | _MM_FROUND_TO_NEG_INF; // 1i32

This is supported on x86-64 only.

round down and do not suppress exceptions