FLA_Symm_lu_unb_var9.c File Reference

(r)

Functions
FLA_Error	FLA_Symm_lu_unb_var9 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C)

Function Documentation

FLA_Symm_lu_unb_var9()

FLA_Error FLA_Symm_lu_unb_var9	(	FLA_Obj	alpha,
		FLA_Obj	A,
		FLA_Obj	B,
		FLA_Obj	beta,
		FLA_Obj	C
	)

{
  FLA_Obj BL,    BR,       B0,  b1t,  B2;
 
  FLA_Obj CL,    CR,       C0,  c1t,  C2;
 
  FLA_Part_1x2( B,    &BL,  &BR,      0, FLA_LEFT );
 
  FLA_Part_1x2( C,    &CL,  &CR,      0, FLA_LEFT );
 
  while ( FLA_Obj_width( BL ) < FLA_Obj_width( B ) ){
 
    FLA_Repart_1x2_to_1x3( BL,  /**/ BR,        &B0, /**/ &b1t, &B2,
                           1, FLA_RIGHT );
 
    FLA_Repart_1x2_to_1x3( CL,  /**/ CR,        &C0, /**/ &c1t, &C2,
                           1, FLA_RIGHT );
 
    /*------------------------------------------------------------*/
 
    /* c1t = c1t + A * b1t */
    FLA_Symv_external( FLA_UPPER_TRIANGULAR, alpha, A, b1t, beta, c1t );
 
    /*------------------------------------------------------------*/
 
    FLA_Cont_with_1x3_to_1x2( &BL,  /**/ &BR,        B0, b1t, /**/ B2,
                              FLA_LEFT );
 
    FLA_Cont_with_1x3_to_1x2( &CL,  /**/ &CR,        C0, c1t, /**/ C2,
                              FLA_LEFT );
 
  }
 
  return FLA_SUCCESS;
}

References FLA_Cont_with_1x3_to_1x2(), FLA_Obj_width(), FLA_Part_1x2(), FLA_Repart_1x2_to_1x3(), FLA_Symv_external(), and i.

Referenced by FLA_Symm_lu().