fnvsub_f32void vsub_f32(const float * a, const float * b, float * out, int n)sourceeditSingle-precision elementwise vector subtraction.Computes outi=ai−bi\text{out}_i = a_i - b_iouti=ai−bi via vDSP_vsub. References Accelerate.framework vDSP_vsub.Parametersa, bconst float*Input buffers.outfloat*Output buffer.nstd::size_tElement count.