Functions | |
FLA_Error | FLA_Symm_lu_blk_var4 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C, fla_symm_t *cntl) |
FLA_Error FLA_Symm_lu_blk_var4 | ( | FLA_Obj | alpha, | |
FLA_Obj | A, | |||
FLA_Obj | B, | |||
FLA_Obj | beta, | |||
FLA_Obj | C, | |||
fla_symm_t * | cntl | |||
) |
References FLA_Cont_with_3x1_to_2x1(), FLA_Cont_with_3x3_to_2x2(), FLA_Determine_blocksize(), FLA_Gemm_internal(), FLA_Obj_length(), FLA_ONE, FLA_Part_2x1(), FLA_Part_2x2(), FLA_Repart_2x1_to_3x1(), FLA_Repart_2x2_to_3x3(), and FLA_Symm_internal().
Referenced by FLA_Symm_lu().
00036 { 00037 FLA_Obj ATL, ATR, A00, A01, A02, 00038 ABL, ABR, A10, A11, A12, 00039 A20, A21, A22; 00040 00041 FLA_Obj BT, B0, 00042 BB, B1, 00043 B2; 00044 00045 FLA_Obj CT, C0, 00046 CB, C1, 00047 C2; 00048 00049 dim_t b; 00050 00051 FLA_Part_2x2( A, &ATL, &ATR, 00052 &ABL, &ABR, 0, 0, FLA_TL ); 00053 00054 FLA_Part_2x1( B, &BT, 00055 &BB, 0, FLA_TOP ); 00056 00057 FLA_Part_2x1( C, &CT, 00058 &CB, 0, FLA_TOP ); 00059 00060 while ( FLA_Obj_length( ATL ) < FLA_Obj_length( A ) ){ 00061 00062 b = FLA_Determine_blocksize( ABR, FLA_BR, FLA_Cntl_blocksize( cntl ) ); 00063 00064 FLA_Repart_2x2_to_3x3( ATL, /**/ ATR, &A00, /**/ &A01, &A02, 00065 /* ************* */ /* ******************** */ 00066 &A10, /**/ &A11, &A12, 00067 ABL, /**/ ABR, &A20, /**/ &A21, &A22, 00068 b, b, FLA_BR ); 00069 00070 FLA_Repart_2x1_to_3x1( BT, &B0, 00071 /* ** */ /* ** */ 00072 &B1, 00073 BB, &B2, b, FLA_BOTTOM ); 00074 00075 FLA_Repart_2x1_to_3x1( CT, &C0, 00076 /* ** */ /* ** */ 00077 &C1, 00078 CB, &C2, b, FLA_BOTTOM ); 00079 00080 /*------------------------------------------------------------*/ 00081 00082 /* C0 = C0 + A01 * B1 */ 00083 FLA_Gemm_internal( FLA_NO_TRANSPOSE, FLA_NO_TRANSPOSE, 00084 alpha, A01, B1, FLA_ONE, C0, 00085 FLA_Cntl_sub_gemm1( cntl ) ); 00086 00087 /* C1 = C1 + A11 * B1 */ 00088 FLA_Symm_internal( FLA_LEFT, FLA_UPPER_TRIANGULAR, 00089 alpha, A11, B1, beta, C1, 00090 FLA_Cntl_sub_symm( cntl ) ); 00091 00092 /* C2 = C2 + A12' * B1 */ 00093 FLA_Gemm_internal( FLA_TRANSPOSE, FLA_NO_TRANSPOSE, 00094 alpha, A12, B1, FLA_ONE, C2, 00095 FLA_Cntl_sub_gemm2( cntl ) ); 00096 00097 /*------------------------------------------------------------*/ 00098 00099 FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR, A00, A01, /**/ A02, 00100 A10, A11, /**/ A12, 00101 /* ************** */ /* ****************** */ 00102 &ABL, /**/ &ABR, A20, A21, /**/ A22, 00103 FLA_TL ); 00104 00105 FLA_Cont_with_3x1_to_2x1( &BT, B0, 00106 B1, 00107 /* ** */ /* ** */ 00108 &BB, B2, FLA_TOP ); 00109 00110 FLA_Cont_with_3x1_to_2x1( &CT, C0, 00111 C1, 00112 /* ** */ /* ** */ 00113 &CB, C2, FLA_TOP ); 00114 00115 } 00116 00117 return FLA_SUCCESS; 00118 }