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◆ AKSIMD_SUB_V4F32

#define AKSIMD_SUB_V4F32 (   __a__,
  __b__ 
)    vsubq_f32( (__a__), (__b__) )

Subtracts the four single-precision, floating-point values of a and b (a - b) (see _mm_sub_ps)

在文件 AkSimd.h 第 344 行定义.