marshalVectorEntry serializes a vectorEntry into a byte slice.
(dst []byte, ve *vectorEntry)
| 91 | |
| 92 | // marshalVectorEntry serializes a vectorEntry into a byte slice. |
| 93 | func marshalVectorEntry(dst []byte, ve *vectorEntry) { |
| 94 | offset := 0 |
| 95 | |
| 96 | // Write predicate length and bytes |
| 97 | binary.BigEndian.PutUint32(dst[offset:offset+4], uint32(len(ve.pred))) |
| 98 | offset += 4 |
| 99 | copy(dst[offset:], ve.pred) |
| 100 | offset += len(ve.pred) |
| 101 | |
| 102 | // Write UID |
| 103 | binary.BigEndian.PutUint64(dst[offset:offset+8], ve.uid) |
| 104 | offset += 8 |
| 105 | |
| 106 | // Write vector length |
| 107 | binary.BigEndian.PutUint32(dst[offset:offset+4], uint32(len(ve.vector))) |
| 108 | offset += 4 |
| 109 | |
| 110 | // Write vector data |
| 111 | for _, v := range ve.vector { |
| 112 | binary.BigEndian.PutUint32(dst[offset:offset+4], math.Float32bits(v)) |
| 113 | offset += 4 |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | // unmarshalVectorEntry deserializes a vectorEntry from a byte slice. |
| 118 | // Returns nil if the data is malformed or too short. |