RTOp_TOp_max_abs_vec_scalar.c

Go to the documentation of this file.

/*
// @HEADER
// ***********************************************************************
// 
// Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
//                  Copyright (2003) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Roscoe A. Bartlett (rabartl@sandia.gov) 
// 
// ***********************************************************************
// @HEADER
*/

#include <math.h>

/* ///////////////////////////////////////////// */
/* RTOp_TOp_max_abs_vec_scalar.c */

/* */
/* Note: This file was created automatically by 'new_rtop.pl' */
/*       on 7/13/2002 at 13:48 */
/* */

#define max(a,b) ( (a) > (b) ? (a) : (b) )
#define min(a,b) ( (a) < (b) ? (a) : (b) )

#include "RTOp_TOp_max_abs_vec_scalar.h"
#include "RTOp_obj_value_vtbl.h"  /* vtbl for operator object instance data */

/* Implementation functions for RTOp_RTOp */

static int RTOp_TOp_max_abs_vec_scalar_apply_op(
  const struct RTOp_RTOp_vtbl_t* vtbl, const void* obj_data
  , const int num_vecs, const struct RTOp_SubVector vecs[]
  , const int num_targ_vecs, const struct RTOp_MutableSubVector targ_vecs[]
  , RTOp_ReductTarget reduct_obj )
{
  /* */
  /* Declare local variables */
  /* */

  /* Access to the operator object instance data */
  RTOp_value_type *min_ele = (RTOp_value_type*)obj_data;
  /* Vector data */
  RTOp_index_type           sub_dim;
  /* z0 */
  RTOp_value_type           *z0_val;
  ptrdiff_t                 z0_val_s;

  /* Automatic temporary variables */
  register RTOp_index_type  k;

  /* */
  /* Validate the input */
  /* */
  if( num_vecs != 0 || ( num_vecs && vecs == NULL ) )
    return RTOp_ERR_INVALID_NUM_VECS;
  if( num_targ_vecs != 1 || ( num_targ_vecs && targ_vecs == NULL ) )
    return RTOp_ERR_INVALID_NUM_TARG_VECS;
  assert(obj_data);

  /* */
  /* Get pointers to data */
  /* */
  sub_dim       = targ_vecs[0].sub_dim;
  /* z0 */
  z0_val        = targ_vecs[0].values;
  z0_val_s      = targ_vecs[0].values_stride;

  /* */
  /* Apply the operator: */
  /* */
  for( k = 0; k < sub_dim; ++k, z0_val += z0_val_s )
  {
    /* Element-wise transformation */
    (*z0_val) = max(fabs((*z0_val)),(*min_ele));
  }

  return 0; /* success? */
}

/* Virtual function table */
const struct RTOp_RTOp_vtbl_t RTOp_TOp_max_abs_vec_scalar_vtbl =
{
  &RTOp_obj_value_vtbl
  ,&RTOp_obj_null_vtbl
  ,"TOp_max_abs_vec_scalar"
  ,NULL
  ,RTOp_TOp_max_abs_vec_scalar_apply_op
  ,NULL
  ,NULL
};

/* Class specific functions */

int RTOp_TOp_max_abs_vec_scalar_construct( RTOp_value_type min_ele,  struct RTOp_RTOp* op )
{
#ifdef RTOp_DEBUG
  assert(op);
#endif
  op->obj_data  = NULL;
  op->vtbl      = &RTOp_TOp_max_abs_vec_scalar_vtbl;
  op->vtbl->obj_data_vtbl->obj_create(NULL,NULL,&op->obj_data);
  return RTOp_TOp_max_abs_vec_scalar_init(min_ele,op);
}

int RTOp_TOp_max_abs_vec_scalar_destroy( struct RTOp_RTOp* op )
{
  op->vtbl->obj_data_vtbl->obj_free(NULL,NULL,&op->obj_data);
  op->obj_data  = NULL;
  op->vtbl      = NULL;
  return 0;
}

int RTOp_TOp_max_abs_vec_scalar_init( RTOp_value_type min_ele, struct RTOp_RTOp* op )
{
  RTOp_value_type *ptr_min_ele = (RTOp_value_type*)op->obj_data;
  *ptr_min_ele = min_ele;
  return 0;
}