Functions | |
FLA_Error | FLA_Gemm_nn_unb_var2 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C) |
References FLA_Cont_with_3x1_to_2x1(), FLA_Gemv_external(), FLA_Obj_length(), FLA_ONE, FLA_Part_2x1(), FLA_Repart_2x1_to_3x1(), and FLA_Scal_external().
00038 { 00039 FLA_Obj AT, A0, 00040 AB, a1t, 00041 A2; 00042 00043 FLA_Obj CT, C0, 00044 CB, c1t, 00045 C2; 00046 00047 FLA_Scal_external( beta, C ); 00048 00049 FLA_Part_2x1( A, &AT, 00050 &AB, 0, FLA_BOTTOM ); 00051 00052 FLA_Part_2x1( C, &CT, 00053 &CB, 0, FLA_BOTTOM ); 00054 00055 while ( FLA_Obj_length( AB ) < FLA_Obj_length( A ) ){ 00056 00057 FLA_Repart_2x1_to_3x1( AT, &A0, 00058 &a1t, 00059 /* ** */ /* *** */ 00060 AB, &A2, 1, FLA_TOP ); 00061 00062 FLA_Repart_2x1_to_3x1( CT, &C0, 00063 &c1t, 00064 /* ** */ /* *** */ 00065 CB, &C2, 1, FLA_TOP ); 00066 00067 /*------------------------------------------------------------*/ 00068 00069 /* c1t = a1t * B + c1t */ 00070 /* c1t' = B' * a1t' + c1t' */ 00071 FLA_Gemv_external( FLA_TRANSPOSE, alpha, B, a1t, FLA_ONE, c1t ); 00072 00073 /*------------------------------------------------------------*/ 00074 00075 FLA_Cont_with_3x1_to_2x1( &AT, A0, 00076 /* ** */ /* *** */ 00077 a1t, 00078 &AB, A2, FLA_BOTTOM ); 00079 00080 FLA_Cont_with_3x1_to_2x1( &CT, C0, 00081 /* ** */ /* *** */ 00082 c1t, 00083 &CB, C2, FLA_BOTTOM ); 00084 00085 } 00086 00087 return FLA_SUCCESS; 00088 }