FLA_Trmm_ruh_blk_var3.c File Reference

(r)


Functions

FLA_Error FLA_Trmm_ruh_blk_var3 (FLA_Diag diagA, FLA_Obj alpha, FLA_Obj A, FLA_Obj B, fla_trmm_t *cntl)

Function Documentation

FLA_Error FLA_Trmm_ruh_blk_var3 ( FLA_Diag  diagA,
FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  B,
fla_trmm_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_Trmm_internal().

Referenced by FLA_Trmm_ruh().

00036 {
00037   FLA_Obj BT,              B0,
00038           BB,              B1,
00039                            B2;
00040 
00041   dim_t b;
00042 
00043   FLA_Part_2x1( B,    &BT, 
00044                       &BB,            0, FLA_TOP );
00045 
00046   while ( FLA_Obj_length( BT ) < FLA_Obj_length( B ) ){
00047 
00048     b = FLA_Determine_blocksize( BB, FLA_BOTTOM, FLA_Cntl_blocksize( cntl ) );
00049 
00050     FLA_Repart_2x1_to_3x1( BT,                &B0, 
00051                         /* ** */            /* ** */
00052                                               &B1, 
00053                            BB,                &B2,        b, FLA_BOTTOM );
00054 
00055     /*------------------------------------------------------------*/
00056 
00057     /* B1 = B1 * triu( A )'; */
00058     FLA_Trmm_internal( FLA_RIGHT, FLA_UPPER_TRIANGULAR, FLA_CONJ_TRANSPOSE, diagA,
00059                        alpha, A, B1,
00060                        FLA_Cntl_sub_trmm( cntl ) );
00061 
00062     /*------------------------------------------------------------*/
00063 
00064     FLA_Cont_with_3x1_to_2x1( &BT,                B0, 
00065                                                   B1, 
00066                             /* ** */           /* ** */
00067                               &BB,                B2,     FLA_TOP );
00068 
00069   }
00070 
00071   return FLA_SUCCESS;
00072 }


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