FLA_Apply_Q_UT_lhc_blk_var2.c File Reference

(r)


Functions

FLA_Error FLA_Apply_Q_UT_lhc_blk_var2 (FLA_Obj A, FLA_Obj T, FLA_Obj W, FLA_Obj B, fla_apqut_t *cntl)

Function Documentation

FLA_Error FLA_Apply_Q_UT_lhc_blk_var2 ( FLA_Obj  A,
FLA_Obj  T,
FLA_Obj  W,
FLA_Obj  B,
fla_apqut_t cntl 
)

References FLA_Apply_Q_UT_internal(), FLA_Cont_with_1x3_to_1x2(), FLA_Determine_blocksize(), FLA_Obj_width(), FLA_Part_1x2(), and FLA_Repart_1x2_to_1x3().

Referenced by FLA_Apply_Q_UT_lhc().

00036 {
00037   FLA_Obj BL,    BR,       B0,  B1,  B2;
00038 
00039   FLA_Obj WL,    WR,       W0,  W1,  W2;
00040 
00041   dim_t b;
00042 
00043   FLA_Part_1x2( B,    &BL,  &BR,      0, FLA_LEFT );
00044 
00045   FLA_Part_1x2( W,    &WL,  &WR,      0, FLA_LEFT );
00046 
00047   while ( FLA_Obj_width( BL ) < FLA_Obj_width( B ) ){
00048 
00049     b = FLA_Determine_blocksize( BR, FLA_RIGHT, FLA_Cntl_blocksize( cntl ) );
00050 
00051     FLA_Repart_1x2_to_1x3( BL,  /**/ BR,        &B0, /**/ &B1, &B2,
00052                            b, FLA_RIGHT );
00053 
00054     FLA_Repart_1x2_to_1x3( WL,  /**/ WR,        &W0, /**/ &W1, &W2,
00055                            b, FLA_RIGHT );
00056 
00057     /*------------------------------------------------------------*/
00058 
00059     // B1 = Q^H * B1;
00060     FLA_Apply_Q_UT_internal( FLA_LEFT, FLA_CONJ_TRANSPOSE, FLA_COLUMNWISE,
00061                              A, T, W1, B1,
00062                              FLA_Cntl_sub_apqut( cntl ) );
00063 
00064     /*------------------------------------------------------------*/
00065 
00066     FLA_Cont_with_1x3_to_1x2( &BL,  /**/ &BR,        B0, B1, /**/ B2,
00067                               FLA_LEFT );
00068 
00069     FLA_Cont_with_1x3_to_1x2( &WL,  /**/ &WR,        W0, W1, /**/ W2,
00070                               FLA_LEFT );
00071   }
00072 
00073   return FLA_SUCCESS;
00074 }


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