libflame revision_anchor
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Functions | |
FLA_Error | FLA_Her2k_lh_blk_var10 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C, fla_her2k_t *cntl) |
FLA_Error FLA_Her2k_lh_blk_var10 | ( | FLA_Obj | alpha, |
FLA_Obj | A, | ||
FLA_Obj | B, | ||
FLA_Obj | beta, | ||
FLA_Obj | C, | ||
fla_her2k_t * | cntl | ||
) |
References FLA_Cont_with_3x1_to_2x1(), FLA_Determine_blocksize(), FLA_Her2k_internal(), FLA_Obj_length(), FLA_ONE, FLA_Part_2x1(), FLA_Repart_2x1_to_3x1(), and FLA_Scalr_internal().
Referenced by FLA_Her2k_lh().
{ FLA_Obj AT, A0, AB, A1, A2; FLA_Obj BT, B0, BB, B1, B2; dim_t b; FLA_Scalr_internal( FLA_LOWER_TRIANGULAR, beta, C, FLA_Cntl_sub_scalr( cntl ) ); FLA_Part_2x1( A, &AT, &AB, 0, FLA_BOTTOM ); FLA_Part_2x1( B, &BT, &BB, 0, FLA_BOTTOM ); while ( FLA_Obj_length( AB ) < FLA_Obj_length( A ) ){ b = FLA_Determine_blocksize( AT, FLA_TOP, FLA_Cntl_blocksize( cntl ) ); FLA_Repart_2x1_to_3x1( AT, &A0, &A1, /* ** */ /* ** */ AB, &A2, b, FLA_TOP ); FLA_Repart_2x1_to_3x1( BT, &B0, &B1, /* ** */ /* ** */ BB, &B2, b, FLA_TOP ); /*------------------------------------------------------------*/ /* C = C + A1' * B1 + B1' * A1 */ FLA_Her2k_internal( FLA_LOWER_TRIANGULAR, FLA_CONJ_TRANSPOSE, alpha, A1, B1, FLA_ONE, C, FLA_Cntl_sub_her2k( cntl ) ); /*------------------------------------------------------------*/ FLA_Cont_with_3x1_to_2x1( &AT, A0, /* ** */ /* ** */ A1, &AB, A2, FLA_BOTTOM ); FLA_Cont_with_3x1_to_2x1( &BT, B0, /* ** */ /* ** */ B1, &BB, B2, FLA_BOTTOM ); } return FLA_SUCCESS; }