fnvneg_f32void vneg_f32(const float * in, float * out, int n)sourceeditSingle-precision elementwise negation.Computes outi=−ini\text{out}_i = -\text{in}_iouti=−ini via vDSP_vneg. References Accelerate.framework vDSP_vneg.Parametersinconst float*Input buffer.outfloat*Output buffer (may alias in).nstd::size_tElement count.