Functions | |
FLA_Error | FLA_Symm_rl_unb_var3 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C) |
References FLA_Axpys_external(), FLA_Cont_with_1x3_to_1x2(), FLA_Cont_with_3x3_to_2x2(), FLA_Gemv_external(), FLA_Gerc_external(), FLA_Obj_length(), FLA_ONE, FLA_Part_1x2(), FLA_Part_2x2(), FLA_Repart_1x2_to_1x3(), 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 BL, BR, B0, b1t, B2; 00044 00045 FLA_Obj CL, CR, C0, c1t, C2; 00046 00047 00048 FLA_Part_2x2( A, &ATL, &ATR, 00049 &ABL, &ABR, 0, 0, FLA_TL ); 00050 00051 FLA_Part_1x2( B, &BL, &BR, 0, FLA_LEFT ); 00052 00053 FLA_Part_1x2( C, &CL, &CR, 0, FLA_LEFT ); 00054 00055 while ( FLA_Obj_length( ATL ) < FLA_Obj_length( A ) ){ 00056 00057 00058 FLA_Repart_2x2_to_3x3( ATL, /**/ ATR, &A00, /**/ &a01, &A02, 00059 /* ************* */ /* ************************** */ 00060 &a10t, /**/ &alpha11, &a12t, 00061 ABL, /**/ ABR, &A20, /**/ &a21, &A22, 00062 1, 1, FLA_BR ); 00063 00064 FLA_Repart_1x2_to_1x3( BL, /**/ BR, &B0, /**/ &b1t, &B2, 00065 1, FLA_RIGHT ); 00066 00067 FLA_Repart_1x2_to_1x3( CL, /**/ CR, &C0, /**/ &c1t, &C2, 00068 1, FLA_RIGHT ); 00069 00070 /*------------------------------------------------------------*/ 00071 00072 /* c1t = c1t + b1t * alpha11 */ 00073 FLA_Axpys_external( alpha, alpha11, b1t, beta, c1t ); 00074 00075 /* c1t = c1t + B2 * a21 */ 00076 FLA_Gemv_external( FLA_NO_TRANSPOSE, alpha, B2, a21, FLA_ONE, c1t ); 00077 00078 /* C2 = C2 + b1t * a21' */ 00079 FLA_Gerc_external( FLA_NO_CONJUGATE, FLA_CONJUGATE, alpha, b1t, a21, C2 ); 00080 00081 /*------------------------------------------------------------*/ 00082 00083 FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR, A00, a01, /**/ A02, 00084 a10t, alpha11, /**/ a12t, 00085 /* ************** */ /* ************************ */ 00086 &ABL, /**/ &ABR, A20, a21, /**/ A22, 00087 FLA_TL ); 00088 00089 FLA_Cont_with_1x3_to_1x2( &BL, /**/ &BR, B0, b1t, /**/ B2, 00090 FLA_LEFT ); 00091 00092 FLA_Cont_with_1x3_to_1x2( &CL, /**/ &CR, C0, c1t, /**/ C2, 00093 FLA_LEFT ); 00094 00095 } 00096 00097 return FLA_SUCCESS; 00098 }