Functions | |
FLA_Error | FLA_Ttmm_u_blk_var1 (FLA_Obj A, fla_ttmm_t *cntl) |
FLA_Error FLA_Ttmm_u_blk_var1 | ( | FLA_Obj | A, | |
fla_ttmm_t * | cntl | |||
) |
References FLA_Cont_with_3x3_to_2x2(), FLA_Determine_blocksize(), FLA_Herk_internal(), FLA_Obj_is_real(), FLA_Obj_length(), FLA_ONE, FLA_Part_2x2(), FLA_Repart_2x2_to_3x3(), FLA_Syrk_internal(), FLA_Trmm_internal(), and FLA_Ttmm_internal().
Referenced by FLA_Ttmm_u().
00036 { 00037 FLA_Obj ATL, ATR, A00, A01, A02, 00038 ABL, ABR, A10, A11, A12, 00039 A20, A21, A22; 00040 00041 dim_t b; 00042 00043 FLA_Part_2x2( A, &ATL, &ATR, 00044 &ABL, &ABR, 0, 0, FLA_TL ); 00045 00046 while ( FLA_Obj_length( ATL ) < FLA_Obj_length( A ) ){ 00047 00048 b = FLA_Determine_blocksize( ABR, FLA_BR, FLA_Cntl_blocksize( cntl ) ); 00049 00050 FLA_Repart_2x2_to_3x3( ATL, /**/ ATR, &A00, /**/ &A01, &A02, 00051 /* ************* */ /* ******************** */ 00052 &A10, /**/ &A11, &A12, 00053 ABL, /**/ ABR, &A20, /**/ &A21, &A22, 00054 b, b, FLA_BR ); 00055 00056 /*------------------------------------------------------------*/ 00057 00058 if ( FLA_Obj_is_real( A ) ) 00059 { 00060 /* A00 = A00 + A01 * A01'; */ 00061 FLA_Syrk_internal( FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE, 00062 FLA_ONE, A01, FLA_ONE, A00, 00063 FLA_Cntl_sub_syrk( cntl ) ); 00064 00065 /* A01 = A01 * triu( A11 )'; */ 00066 FLA_Trmm_internal( FLA_RIGHT, FLA_UPPER_TRIANGULAR, FLA_TRANSPOSE, FLA_NONUNIT_DIAG, 00067 FLA_ONE, A11, A01, 00068 FLA_Cntl_sub_trmm( cntl ) ); 00069 00070 /* A11 = triu( A11 ) * triu( A11 )'; */ 00071 FLA_Ttmm_internal( FLA_UPPER_TRIANGULAR, A11, 00072 FLA_Cntl_sub_ttmm( cntl ) ); 00073 } 00074 else 00075 { 00076 /* A00 = A00 + A01 * A01'; */ 00077 FLA_Herk_internal( FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE, 00078 FLA_ONE, A01, FLA_ONE, A00, 00079 FLA_Cntl_sub_herk( cntl ) ); 00080 00081 /* A01 = A01 * triu( A11 )'; */ 00082 FLA_Trmm_internal( FLA_RIGHT, FLA_UPPER_TRIANGULAR, FLA_CONJ_TRANSPOSE, FLA_NONUNIT_DIAG, 00083 FLA_ONE, A11, A01, 00084 FLA_Cntl_sub_trmm( cntl ) ); 00085 00086 /* A11 = triu( A11 ) * triu( A11 )'; */ 00087 FLA_Ttmm_internal( FLA_UPPER_TRIANGULAR, A11, 00088 FLA_Cntl_sub_ttmm( cntl ) ); 00089 } 00090 00091 /*------------------------------------------------------------*/ 00092 00093 FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR, A00, A01, /**/ A02, 00094 A10, A11, /**/ A12, 00095 /* ************** */ /* ****************** */ 00096 &ABL, /**/ &ABR, A20, A21, /**/ A22, 00097 FLA_TL ); 00098 00099 } 00100 00101 return FLA_SUCCESS; 00102 }