FLA_Trsm_llh_blk_var4.c File Reference

(r)


Functions

FLA_Error FLA_Trsm_llh_blk_var4 (FLA_Diag diagA, FLA_Obj alpha, FLA_Obj A, FLA_Obj B, fla_trsm_t *cntl)

Function Documentation

FLA_Error FLA_Trsm_llh_blk_var4 ( FLA_Diag  diagA,
FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  B,
fla_trsm_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_Trsm_internal().

Referenced by FLA_Trsm_llh().

00038 {
00039   FLA_Obj BL,    BR,       B0,  B1,  B2;
00040 
00041   dim_t b;
00042 
00043   FLA_Part_1x2( B,    &BL,  &BR,      0, FLA_RIGHT );
00044 
00045   while ( FLA_Obj_width( BR ) < FLA_Obj_width( B ) ){
00046 
00047     b = FLA_Determine_blocksize( BL, FLA_LEFT, FLA_Cntl_blocksize( cntl ) );
00048 
00049     FLA_Repart_1x2_to_1x3( BL,  /**/ BR,        &B0, &B1, /**/ &B2,
00050                            b, FLA_LEFT );
00051 
00052     /*------------------------------------------------------------*/
00053 
00054     /* B1 = tril( A' ) \ B1; */
00055     FLA_Trsm_internal( FLA_LEFT, FLA_LOWER_TRIANGULAR, FLA_CONJ_TRANSPOSE, diagA,
00056                        alpha, A, B1,
00057                        FLA_Cntl_sub_trsm( cntl ) );
00058 
00059     /*------------------------------------------------------------*/
00060 
00061     FLA_Cont_with_1x3_to_1x2( &BL,  /**/ &BR,        B0, /**/ B1, B2,
00062                               FLA_RIGHT );
00063 
00064   }
00065 
00066   return FLA_SUCCESS;
00067 }


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