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Functions | |
FLA_Error | FLA_Symm_rl_unb_var10 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C) |
References FLA_Cont_with_3x1_to_2x1(), FLA_Obj_length(), FLA_Part_2x1(), FLA_Repart_2x1_to_3x1(), and FLA_Symv_external().
Referenced by FLA_Symm_rl().
{ FLA_Obj BT, B0, BB, b1t, B2; FLA_Obj CT, C0, CB, c1t, C2; FLA_Part_2x1( B, &BT, &BB, 0, FLA_BOTTOM ); FLA_Part_2x1( C, &CT, &CB, 0, FLA_BOTTOM ); while ( FLA_Obj_length( BB ) < FLA_Obj_length( B ) ){ 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 + b1t * A */ /* c1t' = c1t' + A' * b1t' */ FLA_Symv_external( FLA_LOWER_TRIANGULAR, alpha, A, b1t, beta, c1t ); /*------------------------------------------------------------*/ 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; }