Functions | |
FLA_Error | FLA_Syr2k_un_blk_var9 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C, fla_syr2k_t *cntl) |
FLA_Error FLA_Syr2k_un_blk_var9 | ( | FLA_Obj | alpha, | |
FLA_Obj | A, | |||
FLA_Obj | B, | |||
FLA_Obj | beta, | |||
FLA_Obj | C, | |||
fla_syr2k_t * | cntl | |||
) |
References FLA_Cont_with_1x3_to_1x2(), FLA_Determine_blocksize(), FLA_Obj_width(), FLA_Part_1x2(), FLA_Repart_1x2_to_1x3(), and FLA_Syr2k_internal().
Referenced by FLA_Syr2k_un().
00036 { 00037 FLA_Obj AL, AR, A0, A1, A2; 00038 00039 FLA_Obj BL, BR, B0, B1, B2; 00040 00041 dim_t b; 00042 00043 FLA_Part_1x2( A, &AL, &AR, 0, FLA_LEFT ); 00044 00045 FLA_Part_1x2( B, &BL, &BR, 0, FLA_LEFT ); 00046 00047 while ( FLA_Obj_width( AL ) < FLA_Obj_width( A ) ){ 00048 00049 b = FLA_Determine_blocksize( AR, FLA_RIGHT, FLA_Cntl_blocksize( cntl ) ); 00050 00051 FLA_Repart_1x2_to_1x3( AL, /**/ AR, &A0, /**/ &A1, &A2, 00052 b, FLA_RIGHT ); 00053 00054 FLA_Repart_1x2_to_1x3( BL, /**/ BR, &B0, /**/ &B1, &B2, 00055 b, FLA_RIGHT ); 00056 00057 /*------------------------------------------------------------*/ 00058 00059 /* C = C + A1 * B1' + B1 * A1' */ 00060 FLA_Syr2k_internal( FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE, 00061 alpha, A1, B1, beta, C, 00062 FLA_Cntl_sub_syr2k( cntl ) ); 00063 00064 /*------------------------------------------------------------*/ 00065 00066 FLA_Cont_with_1x3_to_1x2( &AL, /**/ &AR, A0, A1, /**/ A2, 00067 FLA_LEFT ); 00068 00069 FLA_Cont_with_1x3_to_1x2( &BL, /**/ &BR, B0, B1, /**/ B2, 00070 FLA_LEFT ); 00071 00072 } 00073 00074 return FLA_SUCCESS; 00075 }