RTOpPack: Extra C/C++ Code for Vector Reduction/Transformation Operators Version of the Day
RTOp_ROp_comp_err_with_mu.c
00001 /*
00002 // @HEADER
00003 // ***********************************************************************
00004 // 
00005 // Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
00006 //                  Copyright (2003) Sandia Corporation
00007 // 
00008 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00009 // license for use of this work by or on behalf of the U.S. Government.
00010 // 
00011 // This library is free software; you can redistribute it and/or modify
00012 // it under the terms of the GNU Lesser General Public License as
00013 // published by the Free Software Foundation; either version 2.1 of the
00014 // License, or (at your option) any later version.
00015 //  
00016 // This library is distributed in the hope that it will be useful, but
00017 // WITHOUT ANY WARRANTY; without even the implied warranty of
00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00019 // Lesser General Public License for more details.
00020 //  
00021 // You should have received a copy of the GNU Lesser General Public
00022 // License along with this library; if not, write to the Free Software
00023 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00024 // USA
00025 // Questions? Contact Roscoe A. Bartlett (rabartl@sandia.gov) 
00026 // 
00027 // ***********************************************************************
00028 // @HEADER
00029 */
00030 
00031 #include <math.h>
00032 
00033 /* ///////////////////////////////////////////// */
00034 /* RTOp_ROp_comp_err_with_mu.c */
00035 
00036 /* */
00037 /* Note: This file was created automatically by 'new_rtop.pl' */
00038 /*       on 7/24/2002 at 23:46 */
00039 /* */
00040 
00041 #define max(a,b) ( (a) > (b) ? (a) : (b) )
00042 #define min(a,b) ( (a) < (b) ? (a) : (b) )
00043 
00044 #include "RTOp_ROp_comp_err_with_mu.h"
00045 #include "RTOp_obj_value_value_vtbl.h"  /* vtbl for operator object instance data */
00046 #include "RTOp_reduct_max_value.h"
00047 
00048 
00049 /* Implementation functions for RTOp_RTOp */
00050 
00051 static int RTOp_ROp_comp_err_with_mu_apply_op(
00052   const struct RTOp_RTOp_vtbl_t* vtbl, const void* obj_data
00053   , const int num_vecs, const struct RTOp_SubVector vecs[]
00054   , const int num_targ_vecs, const struct RTOp_MutableSubVector targ_vecs[]
00055   , RTOp_ReductTarget reduct_obj )
00056 {
00057   /* */
00058   /* Declare local variables */
00059   /* */
00060 
00061   /* Access to the operator object instance data */
00062   struct RTOp_value_value_type *data_cntr = (struct RTOp_value_value_type*)obj_data;
00063   RTOp_value_type *mu = &data_cntr->value1;
00064   RTOp_value_type *inf_bound = &data_cntr->value2;
00065   /* Access to the reduction object data */
00066   RTOp_value_type *comp_err = (RTOp_value_type*)reduct_obj;
00067   /* Vector data */
00068   RTOp_index_type           sub_dim;
00069   /* v0 */
00070   const RTOp_value_type     *v0_val;
00071   ptrdiff_t                 v0_val_s;
00072   /* v1 */
00073   const RTOp_value_type     *v1_val;
00074   ptrdiff_t                 v1_val_s;
00075   /* v2 */
00076   const RTOp_value_type     *v2_val;
00077   ptrdiff_t                 v2_val_s;
00078   /* v3 */
00079   const RTOp_value_type     *v3_val;
00080   ptrdiff_t                 v3_val_s;
00081   /* v4 */
00082   const RTOp_value_type     *v4_val;
00083   ptrdiff_t                 v4_val_s;
00084 
00085   /* Automatic temporary variables */
00086   register RTOp_index_type  k;
00087   /* Temporary element-wise reduction object */
00088   RTOp_value_type comp_err_ith;
00089 
00090   /* */
00091   /* Validate the input */
00092   /* */
00093   if( num_vecs != 5 || ( num_vecs && vecs == NULL ) )
00094     return RTOp_ERR_INVALID_NUM_VECS;
00095   if( num_targ_vecs != 0 || ( num_targ_vecs && targ_vecs == NULL ) )
00096     return RTOp_ERR_INVALID_NUM_TARG_VECS;
00097   if( /* Validate sub_dim */
00098     vecs[1].sub_dim != vecs[0].sub_dim
00099     || vecs[2].sub_dim != vecs[0].sub_dim
00100     || vecs[3].sub_dim != vecs[0].sub_dim
00101     || vecs[4].sub_dim != vecs[0].sub_dim
00102     )
00103     return RTOp_ERR_INCOMPATIBLE_VECS;
00104   assert(obj_data);
00105   assert(reduct_obj);
00106 
00107 
00108   /* */
00109   /* Get pointers to data */
00110   /* */
00111   sub_dim       = vecs[0].sub_dim;
00112   /* v0 */
00113   v0_val        = vecs[0].values;
00114   v0_val_s      = vecs[0].values_stride;
00115   /* v1 */
00116   v1_val        = vecs[1].values;
00117   v1_val_s      = vecs[1].values_stride;
00118   /* v2 */
00119   v2_val        = vecs[2].values;
00120   v2_val_s      = vecs[2].values_stride;
00121   /* v3 */
00122   v3_val        = vecs[3].values;
00123   v3_val_s      = vecs[3].values_stride;
00124   /* v4 */
00125   v4_val        = vecs[4].values;
00126   v4_val_s      = vecs[4].values_stride;
00127 
00128 
00129   /* */
00130   /* Apply the operator: */
00131   /* */
00132   for( k = 0; k < sub_dim; ++k, v0_val += v0_val_s, v1_val += v1_val_s, v2_val += v2_val_s, v3_val += v3_val_s, v4_val += v4_val_s )
00133   {
00134     /* Element-wise reduction */
00135   comp_err_ith = 0;
00136   if ((*v1_val) > -(*inf_bound))
00137     { comp_err_ith = fabs((*v3_val)*((*v0_val)-(*v1_val))-(*mu)); }
00138 
00139   if ((*v2_val) < (*inf_bound))
00140     { comp_err_ith = max(comp_err_ith, fabs((*v4_val)*((*v2_val)-(*v0_val))-(*mu))); }
00141 
00142     /* Reduction of intermediates */
00143     (*comp_err) = max( (*comp_err), comp_err_ith );
00144   }
00145 
00146   return 0; /* success? */
00147 }
00148 
00149 /* Virtual function table */
00150 const struct RTOp_RTOp_vtbl_t RTOp_ROp_comp_err_with_mu_vtbl =
00151 {
00152   &RTOp_obj_value_value_vtbl
00153   ,&RTOp_obj_value_vtbl
00154   ,"ROp_comp_err_with_mu"
00155   ,NULL
00156   ,RTOp_ROp_comp_err_with_mu_apply_op
00157   ,RTOp_reduct_max_value
00158   ,RTOp_get_reduct_max_value_op
00159 };
00160 
00161 /* Class specific functions */
00162 
00163 int RTOp_ROp_comp_err_with_mu_construct( RTOp_value_type mu, RTOp_value_type inf_bound,  struct RTOp_RTOp* op )
00164 {
00165 #ifdef RTOp_DEBUG
00166   assert(op);
00167 #endif
00168   op->obj_data  = NULL;
00169   op->vtbl      = &RTOp_ROp_comp_err_with_mu_vtbl;
00170   op->vtbl->obj_data_vtbl->obj_create(NULL,NULL,&op->obj_data);
00171   return RTOp_ROp_comp_err_with_mu_init(mu,inf_bound,op);
00172 }
00173 
00174 int RTOp_ROp_comp_err_with_mu_destroy( struct RTOp_RTOp* op )
00175 {
00176   op->vtbl->obj_data_vtbl->obj_free(NULL,NULL,&op->obj_data);
00177   op->obj_data  = NULL;
00178   op->vtbl      = NULL;
00179   return 0;
00180 }
00181 
00182 int RTOp_ROp_comp_err_with_mu_init( RTOp_value_type mu, RTOp_value_type inf_bound, struct RTOp_RTOp* op )
00183 {
00184   struct RTOp_value_value_type *ptr_data_cntr = (struct RTOp_value_value_type*)op->obj_data;
00185   RTOp_value_type *ptr_mu = &ptr_data_cntr->value1;
00186   RTOp_value_type *ptr_inf_bound = &ptr_data_cntr->value2;
00187   *ptr_mu = mu;
00188   *ptr_inf_bound = inf_bound;
00189   return 0;
00190 }
00191 RTOp_value_type RTOp_ROp_comp_err_with_mu_val(RTOp_ReductTarget reduct_obj)
00192 {
00193   return *((RTOp_value_type*)reduct_obj);
00194 }
00195 
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