libflame revision_anchor
|
Functions | |
FLA_Error | FLA_Sylv_hn_blk_var13 (FLA_Obj isgn, FLA_Obj A, FLA_Obj B, FLA_Obj C, FLA_Obj scale, fla_sylv_t *cntl) |
FLA_Error FLA_Sylv_hn_blk_var13 | ( | FLA_Obj | isgn, |
FLA_Obj | A, | ||
FLA_Obj | B, | ||
FLA_Obj | C, | ||
FLA_Obj | scale, | ||
fla_sylv_t * | cntl | ||
) |
References FLA_Cont_with_3x3_to_2x2(), FLA_Determine_blocksize(), FLA_Gemm_internal(), FLA_MINUS_ONE, FLA_Obj_length(), FLA_ONE, FLA_Part_2x2(), FLA_Repart_2x2_to_3x3(), and FLA_Sylv_internal().
Referenced by FLA_Sylv_hn().
{ FLA_Obj ATL, ATR, A00, A01, A02, ABL, ABR, A10, A11, A12, A20, A21, A22; FLA_Obj BTL, BTR, B00, B01, B02, BBL, BBR, B10, B11, B12, B20, B21, B22; FLA_Obj CTL, CTR, C00, C01, C02, CBL, CBR, C10, C11, C12, C20, C21, C22; dim_t b; FLA_Part_2x2( A, &ATL, &ATR, &ABL, &ABR, 0, 0, FLA_TL ); FLA_Part_2x2( B, &BTL, &BTR, &BBL, &BBR, 0, 0, FLA_TL ); FLA_Part_2x2( C, &CTL, &CTR, &CBL, &CBR, 0, 0, FLA_TL ); while ( FLA_Obj_length( ATL ) < FLA_Obj_length( A ) ){ b = FLA_Determine_blocksize( CBR, FLA_BR, FLA_Cntl_blocksize( cntl ) ); FLA_Repart_2x2_to_3x3( ATL, /**/ ATR, &A00, /**/ &A01, &A02, /* ************* */ /* ******************** */ &A10, /**/ &A11, &A12, ABL, /**/ ABR, &A20, /**/ &A21, &A22, b, b, FLA_BR ); FLA_Repart_2x2_to_3x3( BTL, /**/ BTR, &B00, /**/ &B01, &B02, /* ************* */ /* ******************** */ &B10, /**/ &B11, &B12, BBL, /**/ BBR, &B20, /**/ &B21, &B22, b, b, FLA_BR ); FLA_Repart_2x2_to_3x3( CTL, /**/ CTR, &C00, /**/ &C01, &C02, /* ************* */ /* ******************** */ &C10, /**/ &C11, &C12, CBL, /**/ CBR, &C20, /**/ &C21, &C22, b, b, FLA_BR ); // Loop Invariant: // CTL = // CTR = // CBL = // CBR = /*------------------------------------------------------------*/ // C11 = sylv( A11', B11, C11 -/+ C10 * B01 ); FLA_Gemm_internal( FLA_NO_TRANSPOSE, FLA_NO_TRANSPOSE, FLA_NEGATE( isgn ), C10, B01, FLA_ONE, C11, FLA_Cntl_sub_gemm1( cntl ) ); FLA_Sylv_internal( FLA_CONJ_TRANSPOSE, FLA_NO_TRANSPOSE, isgn, A11, B11, C11, scale, FLA_Cntl_sub_sylv1( cntl ) ); // C21 = sylv( A22', B11, C21 - A12' * C11 -/+ C20 * B01 ); FLA_Gemm_internal( FLA_NO_TRANSPOSE, FLA_NO_TRANSPOSE, FLA_NEGATE( isgn ), C20, B01, FLA_ONE, C21, FLA_Cntl_sub_gemm2( cntl ) ); FLA_Gemm_internal( FLA_CONJ_TRANSPOSE, FLA_NO_TRANSPOSE, FLA_MINUS_ONE, A12, C11, FLA_ONE, C21, FLA_Cntl_sub_gemm3( cntl ) ); FLA_Sylv_internal( FLA_CONJ_TRANSPOSE, FLA_NO_TRANSPOSE, isgn, A22, B11, C21, scale, FLA_Cntl_sub_sylv2( cntl ) ); // C12 = sylv( A11', B22, C12 -/+ C10 * B02 -/+ C11 * B12 ); FLA_Gemm_internal( FLA_NO_TRANSPOSE, FLA_NO_TRANSPOSE, FLA_NEGATE( isgn ), C11, B12, FLA_ONE, C12, FLA_Cntl_sub_gemm4( cntl ) ); FLA_Gemm_internal( FLA_NO_TRANSPOSE, FLA_NO_TRANSPOSE, FLA_NEGATE( isgn ), C10, B02, FLA_ONE, C12, FLA_Cntl_sub_gemm5( cntl ) ); FLA_Sylv_internal( FLA_CONJ_TRANSPOSE, FLA_NO_TRANSPOSE, isgn, A11, B22, C12, scale, FLA_Cntl_sub_sylv3( cntl ) ); // C22 = C22 - A12' * C12; FLA_Gemm_internal( FLA_CONJ_TRANSPOSE, FLA_NO_TRANSPOSE, FLA_MINUS_ONE, A12, C12, FLA_ONE, C22, FLA_Cntl_sub_gemm6( cntl ) ); /*------------------------------------------------------------*/ FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR, A00, A01, /**/ A02, A10, A11, /**/ A12, /* ************** */ /* ****************** */ &ABL, /**/ &ABR, A20, A21, /**/ A22, FLA_TL ); FLA_Cont_with_3x3_to_2x2( &BTL, /**/ &BTR, B00, B01, /**/ B02, B10, B11, /**/ B12, /* ************** */ /* ****************** */ &BBL, /**/ &BBR, B20, B21, /**/ B22, FLA_TL ); FLA_Cont_with_3x3_to_2x2( &CTL, /**/ &CTR, C00, C01, /**/ C02, C10, C11, /**/ C12, /* ************** */ /* ****************** */ &CBL, /**/ &CBR, C20, C21, /**/ C22, FLA_TL ); } return FLA_SUCCESS; }