Constant core::arch::x86::_MM_FROUND_NEARBYINT
1.27.0 · source · pub const _MM_FROUND_NEARBYINT: i32 = _; // 12i32
Available on x86 and (x86 or x86-64) only.
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使用 MXCSR.RC 并抑制异常; 请参见 vendor::_MM_SET_ROUNDING_MODE