Functions | |
FLA_Error | FLA_Symm_ll_unb_var8 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C) |
References FLA_Axpys_external(), FLA_Cont_with_3x1_to_2x1(), FLA_Cont_with_3x3_to_2x2(), FLA_Ger_external(), FLA_Obj_length(), FLA_Part_2x1(), FLA_Part_2x2(), FLA_Repart_2x1_to_3x1(), and FLA_Repart_2x2_to_3x3().
00038 { 00039 FLA_Obj ATL, ATR, A00, a01, A02, 00040 ABL, ABR, a10t, alpha11, a12t, 00041 A20, a21, A22; 00042 00043 FLA_Obj BT, B0, 00044 BB, b1t, 00045 B2; 00046 00047 FLA_Obj CT, C0, 00048 CB, c1t, 00049 C2; 00050 00051 00052 FLA_Part_2x2( A, &ATL, &ATR, 00053 &ABL, &ABR, 0, 0, FLA_BR ); 00054 00055 FLA_Part_2x1( B, &BT, 00056 &BB, 0, FLA_BOTTOM ); 00057 00058 FLA_Part_2x1( C, &CT, 00059 &CB, 0, FLA_BOTTOM ); 00060 00061 while ( FLA_Obj_length( ABR ) < FLA_Obj_length( A ) ){ 00062 00063 00064 FLA_Repart_2x2_to_3x3( ATL, /**/ ATR, &A00, &a01, /**/ &A02, 00065 &a10t, &alpha11, /**/ &a12t, 00066 /* ************* */ /* ************************** */ 00067 ABL, /**/ ABR, &A20, &a21, /**/ &A22, 00068 1, 1, FLA_TL ); 00069 00070 FLA_Repart_2x1_to_3x1( BT, &B0, 00071 &b1t, 00072 /* ** */ /* ** */ 00073 BB, &B2, 1, FLA_TOP ); 00074 00075 FLA_Repart_2x1_to_3x1( CT, &C0, 00076 &c1t, 00077 /* ** */ /* ** */ 00078 CB, &C2, 1, FLA_TOP ); 00079 00080 /*------------------------------------------------------------*/ 00081 00082 /* C0 = C0 + a10t' * b1t */ 00083 FLA_Ger_external( alpha, a10t, b1t, C0 ); 00084 00085 /* c1t = c1t + alpha11 * b1t */ 00086 FLA_Axpys_external( alpha, alpha11, b1t, beta, c1t ); 00087 00088 /* C2 = C2 + a21 * b1t */ 00089 FLA_Ger_external( alpha, a21, b1t, C2 ); 00090 00091 /*------------------------------------------------------------*/ 00092 00093 FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR, A00, /**/ a01, A02, 00094 /* ************** */ /* ************************ */ 00095 a10t, /**/ alpha11, a12t, 00096 &ABL, /**/ &ABR, A20, /**/ a21, A22, 00097 FLA_BR ); 00098 00099 FLA_Cont_with_3x1_to_2x1( &BT, B0, 00100 /* ** */ /* ** */ 00101 b1t, 00102 &BB, B2, FLA_BOTTOM ); 00103 00104 FLA_Cont_with_3x1_to_2x1( &CT, C0, 00105 /* ** */ /* ** */ 00106 c1t, 00107 &CB, C2, FLA_BOTTOM ); 00108 00109 } 00110 00111 return FLA_SUCCESS; 00112 }