Functions | |
FLA_Error | FLA_Syr2k_ut_blk_var10 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C, fla_syr2k_t *cntl) |
FLA_Error FLA_Syr2k_ut_blk_var10 | ( | FLA_Obj | alpha, | |
FLA_Obj | A, | |||
FLA_Obj | B, | |||
FLA_Obj | beta, | |||
FLA_Obj | C, | |||
fla_syr2k_t * | cntl | |||
) |
References FLA_Cont_with_3x1_to_2x1(), FLA_Determine_blocksize(), FLA_Obj_length(), FLA_Part_2x1(), FLA_Repart_2x1_to_3x1(), and FLA_Syr2k_internal().
Referenced by FLA_Syr2k_ut().
00038 { 00039 FLA_Obj AT, A0, 00040 AB, A1, 00041 A2; 00042 00043 FLA_Obj BT, B0, 00044 BB, B1, 00045 B2; 00046 00047 dim_t b; 00048 00049 FLA_Part_2x1( A, &AT, 00050 &AB, 0, FLA_BOTTOM ); 00051 00052 FLA_Part_2x1( B, &BT, 00053 &BB, 0, FLA_BOTTOM ); 00054 00055 while ( FLA_Obj_length( AB ) < FLA_Obj_length( A ) ){ 00056 00057 b = FLA_Determine_blocksize( AT, FLA_TOP, FLA_Cntl_blocksize( cntl ) ); 00058 00059 FLA_Repart_2x1_to_3x1( AT, &A0, 00060 &A1, 00061 /* ** */ /* ** */ 00062 AB, &A2, b, FLA_TOP ); 00063 00064 FLA_Repart_2x1_to_3x1( BT, &B0, 00065 &B1, 00066 /* ** */ /* ** */ 00067 BB, &B2, b, FLA_TOP ); 00068 00069 /*------------------------------------------------------------*/ 00070 00071 /* C = C + A1' * B1 + B1' * A1 */ 00072 FLA_Syr2k_internal( FLA_UPPER_TRIANGULAR, FLA_TRANSPOSE, 00073 alpha, A1, B1, beta, C, 00074 FLA_Cntl_sub_syr2k( cntl ) ); 00075 00076 /*------------------------------------------------------------*/ 00077 00078 FLA_Cont_with_3x1_to_2x1( &AT, A0, 00079 /* ** */ /* ** */ 00080 A1, 00081 &AB, A2, FLA_BOTTOM ); 00082 00083 FLA_Cont_with_3x1_to_2x1( &BT, B0, 00084 /* ** */ /* ** */ 00085 B1, 00086 &BB, B2, FLA_BOTTOM ); 00087 00088 } 00089 00090 return FLA_SUCCESS; 00091 }