FLA_Symm_rl_blk_var7.c File Reference

(r)


Functions

FLA_Error FLA_Symm_rl_blk_var7 (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_var7 ( FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  B,
FLA_Obj  beta,
FLA_Obj  C,
fla_symm_t cntl 
)

References FLA_Cont_with_1x3_to_1x2(), FLA_Cont_with_3x3_to_2x2(), FLA_Determine_blocksize(), FLA_Gemm_internal(), FLA_Obj_length(), FLA_ONE, FLA_Part_1x2(), FLA_Part_2x2(), FLA_Repart_1x2_to_1x3(), FLA_Repart_2x2_to_3x3(), and FLA_Symm_internal().

Referenced by FLA_Symm_rl().

00038 {
00039   FLA_Obj ATL,   ATR,      A00, A01, A02, 
00040           ABL,   ABR,      A10, A11, A12,
00041                            A20, A21, A22;
00042 
00043   FLA_Obj BL,    BR,       B0,  B1,  B2;
00044 
00045   FLA_Obj CL,    CR,       C0,  C1,  C2;
00046 
00047   dim_t b;
00048 
00049   FLA_Part_2x2( A,    &ATL, &ATR,
00050                       &ABL, &ABR,     0, 0, FLA_BR );
00051 
00052   FLA_Part_1x2( B,    &BL,  &BR,      0, FLA_RIGHT );
00053 
00054   FLA_Part_1x2( C,    &CL,  &CR,      0, FLA_RIGHT );
00055 
00056   while ( FLA_Obj_length( ABR ) < FLA_Obj_length( A ) ){
00057 
00058     b = FLA_Determine_blocksize( ATL, FLA_TL, FLA_Cntl_blocksize( cntl ) );
00059 
00060     FLA_Repart_2x2_to_3x3( ATL, /**/ ATR,       &A00, &A01, /**/ &A02,
00061                                                 &A10, &A11, /**/ &A12,
00062                         /* ************* */   /* ******************** */
00063                            ABL, /**/ ABR,       &A20, &A21, /**/ &A22,
00064                            b, b, FLA_TL );
00065 
00066     FLA_Repart_1x2_to_1x3( BL,  /**/ BR,        &B0, &B1, /**/ &B2,
00067                            b, FLA_LEFT );
00068 
00069     FLA_Repart_1x2_to_1x3( CL,  /**/ CR,        &C0, &C1, /**/ &C2,
00070                            b, FLA_LEFT );
00071 
00072     /*------------------------------------------------------------*/
00073 
00074     /* C0 = C0 + B1 * A10 */
00075     FLA_Gemm_internal( FLA_NO_TRANSPOSE, FLA_NO_TRANSPOSE, 
00076                        alpha, B1, A10, FLA_ONE, C0,
00077                        FLA_Cntl_sub_gemm1( cntl ) );
00078 
00079     /* C1 = C1 + B0 * A10' */
00080     FLA_Gemm_internal( FLA_NO_TRANSPOSE, FLA_TRANSPOSE, 
00081                        alpha, B0, A10, FLA_ONE, C1,
00082                        FLA_Cntl_sub_gemm2( cntl ) );
00083 
00084     /* C1 = C1 + B1 * A11 */
00085     FLA_Symm_internal( FLA_RIGHT, FLA_LOWER_TRIANGULAR, 
00086                        alpha, A11, B1, beta, C1,
00087                        FLA_Cntl_sub_symm( cntl ) );
00088     /*------------------------------------------------------------*/
00089 
00090     FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR,       A00, /**/ A01, A02,
00091                             /* ************** */  /* ****************** */
00092                                                      A10, /**/ A11, A12,
00093                               &ABL, /**/ &ABR,       A20, /**/ A21, A22,
00094                               FLA_BR );
00095 
00096     FLA_Cont_with_1x3_to_1x2( &BL,  /**/ &BR,        B0, /**/ B1, B2,
00097                               FLA_RIGHT );
00098 
00099     FLA_Cont_with_1x3_to_1x2( &CL,  /**/ &CR,        C0, /**/ C1, C2,
00100                               FLA_RIGHT );
00101 
00102   }
00103 
00104   return FLA_SUCCESS;
00105 }


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