Constant kvarn::prelude::compact_str::core::arch::x86_64::_MM_FROUND_FLOOR

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

Available on non-crate feature miri-test-libstd and x86-64 only.

round down and do not suppress exceptions