FLA_Symm_rl_blk_var9.c File Reference

(r)


Functions

FLA_Error FLA_Symm_rl_blk_var9 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C, fla_symm_t *cntl)

Function Documentation

FLA_Error FLA_Symm_rl_blk_var9 ( 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_Determine_blocksize(), FLA_Obj_length(), FLA_Part_2x1(), FLA_Repart_2x1_to_3x1(), and FLA_Symm_internal().

Referenced by FLA_Symm_rl().

00036 {
00037   FLA_Obj BT,              B0,
00038           BB,              B1,
00039                            B2;
00040 
00041   FLA_Obj CT,              C0,
00042           CB,              C1,
00043                            C2;
00044 
00045   dim_t b;
00046 
00047   FLA_Part_2x1( B,    &BT, 
00048                       &BB,            0, FLA_TOP );
00049 
00050   FLA_Part_2x1( C,    &CT, 
00051                       &CB,            0, FLA_TOP );
00052 
00053   while ( FLA_Obj_length( BT ) < FLA_Obj_length( B ) ){
00054 
00055     b = FLA_Determine_blocksize( BB, FLA_BOTTOM, FLA_Cntl_blocksize( cntl ) );
00056 
00057     FLA_Repart_2x1_to_3x1( BT,                &B0, 
00058                         /* ** */            /* ** */
00059                                               &B1, 
00060                            BB,                &B2,        b, FLA_BOTTOM );
00061 
00062     FLA_Repart_2x1_to_3x1( CT,                &C0, 
00063                         /* ** */            /* ** */
00064                                               &C1, 
00065                            CB,                &C2,        b, FLA_BOTTOM );
00066 
00067     /*------------------------------------------------------------*/
00068 
00069     /* C1 = C1 + B1 * A */
00070     FLA_Symm_internal( FLA_RIGHT, FLA_LOWER_TRIANGULAR, 
00071                        alpha, A, B1, beta, C1,
00072                        FLA_Cntl_sub_symm( cntl ) );
00073 
00074     /*------------------------------------------------------------*/
00075 
00076     FLA_Cont_with_3x1_to_2x1( &BT,                B0, 
00077                                                   B1, 
00078                             /* ** */           /* ** */
00079                               &BB,                B2,     FLA_TOP );
00080 
00081     FLA_Cont_with_3x1_to_2x1( &CT,                C0, 
00082                                                   C1, 
00083                             /* ** */           /* ** */
00084                               &CB,                C2,     FLA_TOP );
00085 
00086   }
00087 
00088   return FLA_SUCCESS;
00089 }


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