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EduardoandClaude Opus 5
55c5f06509
Nine bit-width matrices in `turboquant::quantization` omitted `TQBits::Bits1_5`, so the variant went unexercised there. This is the gap #10390 closed for `quantize_output_byte_length`, where a `quantized_size` double-padding bug had slipped through a hardcoded [Bits1, Bits2, Bits4] list. Add `Bits1_5` to the seven matrices that accept it, including the rstest cases of `score_precomputed_dispatches_all_bit_widths`, whose name already claims to cover every bit width. The two `Unpadded` rotation tests keep their lists: `TurboQuantizer::new` asserts "Bits1_5 requires TQRotation::Padded", since `Bits1_5` rotates into its x1.5 padding and an unpadded rotation would leave half the codes carrying nothing. Each list now names that invariant, so the omission reads as deliberate rather than as the same oversight. `unpadded_rotation_matches_padded_for_padding_free_dims` also claimed multiples of 8 are padding-free "for every supported bit width", which `Bits1_5` falsified: `padded_dim(8)` is 16. Co-authored-by: Claude Opus 5 <noreply@anthropic.com>