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Functions | |
FLA_Error | FLA_Tridiag_UT_l_blk_var1 (FLA_Obj A, FLA_Obj T) |
References FLA_Cont_with_1x3_to_1x2(), FLA_Cont_with_3x3_to_2x2(), FLA_Obj_length(), FLA_Part_1x2(), FLA_Part_2x2(), FLA_Repart_1x2_to_1x3(), FLA_Repart_2x2_to_3x3(), and FLA_Tridiag_UT_l_step_opt_var1().
Referenced by FLA_Tridiag_UT_l().
{ FLA_Obj ATL, ATR, A00, A01, A02, ABL, ABR, A10, A11, A12, A20, A21, A22; FLA_Obj TL, TR, T0, T1, T2; FLA_Obj T1_tl; FLA_Obj none, none2, none3; dim_t b_alg, b; b_alg = FLA_Obj_length( T ); FLA_Part_2x2( A, &ATL, &ATR, &ABL, &ABR, 0, 0, FLA_TL ); FLA_Part_1x2( T, &TL, &TR, 0, FLA_LEFT ); while ( FLA_Obj_length( ATL ) < FLA_Obj_length( A ) ) { b = min( FLA_Obj_length( ABR ), b_alg ); FLA_Repart_2x2_to_3x3( ATL, /**/ ATR, &A00, /**/ &A01, &A02, /* ************* */ /* ******************** */ &A10, /**/ &A11, &A12, ABL, /**/ ABR, &A20, /**/ &A21, &A22, b, b, FLA_BR ); FLA_Repart_1x2_to_1x3( TL, /**/ TR, &T0, /**/ &T1, &T2, b, FLA_RIGHT ); /*------------------------------------------------------------*/ FLA_Part_2x2( T1, &T1_tl, &none, &none2, &none3, b, b, FLA_TL ); // [ ABR, T1 ] = FLA_Tridiag_UT_l_step_unb_var1( ABR, T1, b ); //FLA_Tridiag_UT_l_step_unb_var1( ABR, T1_tl ); //FLA_Tridiag_UT_l_step_ofu_var1( ABR, T1_tl ); FLA_Tridiag_UT_l_step_opt_var1( ABR, T1_tl ); /*------------------------------------------------------------*/ FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR, A00, A01, /**/ A02, A10, A11, /**/ A12, /* ************** */ /* ****************** */ &ABL, /**/ &ABR, A20, A21, /**/ A22, FLA_TL ); FLA_Cont_with_1x3_to_1x2( &TL, /**/ &TR, T0, T1, /**/ T2, FLA_LEFT ); } return FLA_SUCCESS; }