FLA_Error FLA_Symm_rl_unb_var1( FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C ) { FLA_Obj ATL, ATR, A00, a01, A02, ABL, ABR, a10t, alpha11, a12t, A20, a21, A22; FLA_Obj BL, BR, B0, b1t, B2; FLA_Obj CL, CR, C0, c1t, C2; FLA_Scal_external( beta, C ); FLA_Part_2x2( A, &ATL, &ATR, &ABL, &ABR, 0, 0, FLA_TL ); FLA_Part_1x2( B, &BL, &BR, 0, FLA_LEFT ); FLA_Part_1x2( C, &CL, &CR, 0, FLA_LEFT ); while ( FLA_Obj_length( ATL ) < FLA_Obj_length( A ) ){ FLA_Repart_2x2_to_3x3( ATL, /**/ ATR, &A00, /**/ &a01, &A02, /* ************* */ /* ************************** */ &a10t, /**/ &alpha11, &a12t, ABL, /**/ ABR, &A20, /**/ &a21, &A22, 1, 1, FLA_BR ); FLA_Repart_1x2_to_1x3( BL, /**/ BR, &B0, /**/ &b1t, &B2, 1, FLA_RIGHT ); FLA_Repart_1x2_to_1x3( CL, /**/ CR, &C0, /**/ &c1t, &C2, 1, FLA_RIGHT ); /*------------------------------------------------------------*/ /* C0 = C0 + b1t * a10t */ FLA_Ger_external( alpha, b1t, a10t, C0 ); /* c1t = c1t + B0 * a10t' */ FLA_Gemv_external( FLA_NO_TRANSPOSE, alpha, B0, a10t, FLA_ONE, c1t ); /* c1t = c1t + b1t * alpha11 */ FLA_Axpys_external( alpha, alpha11, b1t, FLA_ONE, c1t ); /*------------------------------------------------------------*/ FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR, A00, a01, /**/ A02, a10t, alpha11, /**/ a12t, /* ************** */ /* ************************ */ &ABL, /**/ &ABR, A20, a21, /**/ A22, FLA_TL ); FLA_Cont_with_1x3_to_1x2( &BL, /**/ &BR, B0, b1t, /**/ B2, FLA_LEFT ); FLA_Cont_with_1x3_to_1x2( &CL, /**/ &CR, C0, c1t, /**/ C2, FLA_LEFT ); } return FLA_SUCCESS; }
FLA_Error FLA_Hemm_ll_unb_var5( FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C ) { FLA_Obj ATL, ATR, A00, a01, A02, ABL, ABR, a10t, alpha11, a12t, A20, a21, A22; FLA_Obj BT, B0, BB, b1t, B2; FLA_Obj CT, C0, CB, c1t, C2; FLA_Scal_external( beta, C ); FLA_Part_2x2( A, &ATL, &ATR, &ABL, &ABR, 0, 0, FLA_BR ); FLA_Part_2x1( B, &BT, &BB, 0, FLA_BOTTOM ); FLA_Part_2x1( C, &CT, &CB, 0, FLA_BOTTOM ); while ( FLA_Obj_length( ABR ) < FLA_Obj_length( A ) ){ FLA_Repart_2x2_to_3x3( ATL, /**/ ATR, &A00, &a01, /**/ &A02, &a10t, &alpha11, /**/ &a12t, /* ************* */ /* ************************** */ ABL, /**/ ABR, &A20, &a21, /**/ &A22, 1, 1, FLA_TL ); FLA_Repart_2x1_to_3x1( BT, &B0, &b1t, /* ** */ /* ** */ BB, &B2, 1, FLA_TOP ); FLA_Repart_2x1_to_3x1( CT, &C0, &c1t, /* ** */ /* ** */ CB, &C2, 1, FLA_TOP ); /*------------------------------------------------------------*/ /* c1t = c1t + alpha11 * b1t */ FLA_Axpys_external( alpha, alpha11, b1t, FLA_ONE, c1t ); /* c1t = c1t + a21' * B2 */ /* c1t' = c1t' + B2' * a21 */ FLA_Gemvc_external( FLA_TRANSPOSE, FLA_CONJUGATE, alpha, B2, a21, FLA_ONE, c1t ); /* C2 = C2 + a21 * b1t */ FLA_Ger_external( alpha, a21, b1t, C2 ); /*------------------------------------------------------------*/ FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR, A00, /**/ a01, A02, /* ************** */ /* ************************ */ a10t, /**/ alpha11, a12t, &ABL, /**/ &ABR, A20, /**/ a21, A22, FLA_BR ); FLA_Cont_with_3x1_to_2x1( &BT, B0, /* ** */ /* ** */ b1t, &BB, B2, FLA_BOTTOM ); FLA_Cont_with_3x1_to_2x1( &CT, C0, /* ** */ /* ** */ c1t, &CB, C2, FLA_BOTTOM ); } return FLA_SUCCESS; }
FLA_Error FLA_Symm_lu_unb_var1( FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C ) { FLA_Obj ATL, ATR, A00, a01, A02, ABL, ABR, a10t, alpha11, a12t, A20, a21, A22; FLA_Obj BT, B0, BB, b1t, B2; FLA_Obj CT, C0, CB, c1t, C2; FLA_Scal_external( beta, C ); FLA_Part_2x2( A, &ATL, &ATR, &ABL, &ABR, 0, 0, FLA_TL ); FLA_Part_2x1( B, &BT, &BB, 0, FLA_TOP ); FLA_Part_2x1( C, &CT, &CB, 0, FLA_TOP ); while ( FLA_Obj_length( ATL ) < FLA_Obj_length( A ) ){ FLA_Repart_2x2_to_3x3( ATL, /**/ ATR, &A00, /**/ &a01, &A02, /* ************* */ /* ************************** */ &a10t, /**/ &alpha11, &a12t, ABL, /**/ ABR, &A20, /**/ &a21, &A22, 1, 1, FLA_BR ); FLA_Repart_2x1_to_3x1( BT, &B0, /* ** */ /* ** */ &b1t, BB, &B2, 1, FLA_BOTTOM ); FLA_Repart_2x1_to_3x1( CT, &C0, /* ** */ /* ** */ &c1t, CB, &C2, 1, FLA_BOTTOM ); /*------------------------------------------------------------*/ /* C0 = C0 + a01 * b1t */ FLA_Ger_external( alpha, a01, b1t, C0 ); /* c1t = c1t + a01' * B0 */ /* c1t' = c1t' + B0' * a01 */ FLA_Gemv_external( FLA_TRANSPOSE, alpha, B0, a01, FLA_ONE, c1t ); /* c1t = c1t + alpha11 * b1t */ FLA_Axpys_external( alpha, alpha11, b1t, FLA_ONE, c1t ); /*------------------------------------------------------------*/ FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR, A00, a01, /**/ A02, a10t, alpha11, /**/ a12t, /* ************** */ /* ************************ */ &ABL, /**/ &ABR, A20, a21, /**/ A22, FLA_TL ); FLA_Cont_with_3x1_to_2x1( &BT, B0, b1t, /* ** */ /* ** */ &BB, B2, FLA_TOP ); FLA_Cont_with_3x1_to_2x1( &CT, C0, c1t, /* ** */ /* ** */ &CB, C2, FLA_TOP ); } return FLA_SUCCESS; }