* svec_svec_l2norm - Computes the l2norm distance between two SVECs. */
| 462 | * svec_svec_l2norm - Computes the l2norm distance between two SVECs. |
| 463 | */ |
| 464 | Datum svec_svec_l2norm(PG_FUNCTION_ARGS) |
| 465 | { |
| 466 | SvecType *svec1 = PG_GETARG_SVECTYPE_P(0); |
| 467 | SvecType *svec2 = PG_GETARG_SVECTYPE_P(1); |
| 468 | |
| 469 | check_dimension(svec1,svec2,"l2norm"); |
| 470 | SvecType *result = op_svec_by_svec_internal(subtract,svec1,svec2); |
| 471 | |
| 472 | SparseData sdata = sdata_from_svec(result); |
| 473 | double accum; |
| 474 | accum = l2norm_sdata_values_double(sdata); |
| 475 | |
| 476 | if (IS_NVP(accum)) PG_RETURN_NULL(); |
| 477 | |
| 478 | PG_RETURN_FLOAT8(accum); |
| 479 | } |
| 480 | |
| 481 | PG_FUNCTION_INFO_V1( svec_svec_l1norm ); |
| 482 | /** |
nothing calls this directly
no test coverage detected