pub fn dequant_q5_1(src: &[u8]) -> Result<Vec<f32>, QuantError>Expand description
Dequantize a Q5_1 buffer into f32. Formula verified against real
ggml-quants.c::dequantize_row_q5_1: Q5_0’s 5th-bit scheme, but
asymmetric like Q4_1 (y = q*d + m, no -16 bias).