FLA_Gemm_hc_unb_var4.c File Reference

(r12600)

Functions
FLA_Error	FLA_Gemm_hc_unb_var4 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C)

---

Function Documentation

FLA_Error FLA_Gemm_hc_unb_var4	(	FLA_Obj	alpha,
		FLA_Obj	A,
		FLA_Obj	B,
		FLA_Obj	beta,
		FLA_Obj	C
	)

References FLA_Cont_with_1x3_to_1x2(), FLA_Gemvc_external(), FLA_Obj_width(), FLA_ONE, FLA_Part_1x2(), FLA_Repart_1x2_to_1x3(), and FLA_Scal_external().

Referenced by FLA_Gemm_hc().

{
  FLA_Obj BL,    BR,       B0,  b1,  B2;

  FLA_Obj CL,    CR,       C0,  c1,  C2;

  FLA_Scal_external( beta, C );

  FLA_Part_1x2( B,    &BL,  &BR,      0, FLA_RIGHT );

  FLA_Part_1x2( C,    &CL,  &CR,      0, FLA_RIGHT );

  while ( FLA_Obj_width( BR ) < FLA_Obj_width( B ) ){

    FLA_Repart_1x2_to_1x3( BL,  /**/ BR,        &B0, &b1, /**/ &B2,
                           1, FLA_LEFT );

    FLA_Repart_1x2_to_1x3( CL,  /**/ CR,        &C0, &c1, /**/ &C2,
                           1, FLA_LEFT );

    /*------------------------------------------------------------*/

    /* c1 = A' * b1 + c1 */
    FLA_Gemvc_external( FLA_CONJ_TRANSPOSE, FLA_CONJUGATE, alpha, A, b1, FLA_ONE, c1 );

    /*------------------------------------------------------------*/

    FLA_Cont_with_1x3_to_1x2( &BL,  /**/ &BR,        B0, /**/ b1, B2,
                              FLA_RIGHT );

    FLA_Cont_with_1x3_to_1x2( &CL,  /**/ &CR,        C0, /**/ c1, C2,
                              FLA_RIGHT );

  }

  return FLA_SUCCESS;
}