RTOp_ROp_sum_abs.c

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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 /* ///////////////////////////////////////////// */
00032 /* RTOp_ROp_sum_abs.c */
00033 
00034 /* */
00035 /* Note: This file was created automatically by 'new_rtop.pl' */
00036 /*       on 8/12/2003 at 19:31 */
00037 /* */
00038 
00039 #define max(a,b) ( (a) > (b) ? (a) : (b) )
00040 #define min(a,b) ( (a) < (b) ? (a) : (b) )
00041 
00042 #include "RTOp_ROp_sum_abs.h"
00043 #include "RTOp_obj_null_vtbl.h"     /* vtbl for operator object instance data */
00044 #include "RTOp_reduct_sum_value.h"  /* Reduction of intermediate reduction objects */
00045 
00046 /* Implementation functions for RTOp_RTOp */
00047 
00048 static int RTOp_ROp_sum_abs_apply_op(
00049   const struct RTOp_RTOp_vtbl_t* vtbl, const void* obj_data
00050   , const int num_vecs, const struct RTOp_SubVector vecs[]
00051   , const int num_targ_vecs, const struct RTOp_MutableSubVector targ_vecs[]
00052   , RTOp_ReductTarget reduct_obj )
00053 {
00054   /* */
00055   /* Declare local variables */
00056   /* */
00057 
00058   /* Access to the reduction object data */
00059   RTOp_value_type *abs_sum = (RTOp_value_type*)reduct_obj;
00060   /* Vector data */
00061   RTOp_index_type           sub_dim;
00062   /* v0 */
00063   const RTOp_value_type     *v0_val;
00064   ptrdiff_t                 v0_val_s;
00065 
00066   /* Automatic temporary variables */
00067   register RTOp_index_type  k;
00068   /* Temporary element-wise reduction object */
00069   RTOp_value_type abs_sum_ith;
00070 
00071   /* */
00072   /* Validate the input */
00073   /* */
00074   if( num_vecs != 1 || ( num_vecs && vecs == NULL ) )
00075     return RTOp_ERR_INVALID_NUM_VECS;
00076   if( num_targ_vecs != 0 || ( num_targ_vecs && targ_vecs == NULL ) )
00077     return RTOp_ERR_INVALID_NUM_TARG_VECS;
00078   assert(reduct_obj);
00079 
00080   /* */
00081   /* Get pointers to data */
00082   /* */
00083   sub_dim       = vecs[0].sub_dim;
00084   /* v0 */
00085   v0_val        = vecs[0].values;
00086   v0_val_s      = vecs[0].values_stride;
00087 
00088   /* */
00089   /* Apply the operator: */
00090   /* */
00091   for( k = 0; k < sub_dim; ++k, v0_val += v0_val_s )
00092   {
00093     /* Element-wise reduction */
00094     abs_sum_ith = fabs((*v0_val));
00095     /* Reduction of intermediates */
00096     (*abs_sum) += abs_sum_ith;
00097   }
00098 
00099   return 0; /* success? */
00100 }
00101 
00102 /* Virtual function table */
00103 const struct RTOp_RTOp_vtbl_t RTOp_ROp_sum_abs_vtbl =
00104 {
00105   &RTOp_obj_null_vtbl
00106   ,&RTOp_obj_value_vtbl
00107   ,"ROp_sum_abs"
00108   ,NULL
00109   ,RTOp_ROp_sum_abs_apply_op
00110   ,RTOp_reduct_sum_value
00111   ,RTOp_get_reduct_sum_value_op
00112 };
00113 
00114 /* Class specific functions */
00115 
00116 int RTOp_ROp_sum_abs_construct(  struct RTOp_RTOp* op )
00117 {
00118 #ifdef RTOp_DEBUG
00119   assert(op);
00120 #endif
00121   op->obj_data  = NULL;
00122   op->vtbl      = &RTOp_ROp_sum_abs_vtbl;
00123   op->vtbl->obj_data_vtbl->obj_create(NULL,NULL,&op->obj_data);
00124   return 0;
00125 }
00126 
00127 int RTOp_ROp_sum_abs_destroy( struct RTOp_RTOp* op )
00128 {
00129   op->vtbl->obj_data_vtbl->obj_free(NULL,NULL,&op->obj_data);
00130   op->obj_data  = NULL;
00131   op->vtbl      = NULL;
00132   return 0;
00133 }
00134 
00135 
00136 RTOp_value_type RTOp_ROp_sum_abs_val(RTOp_ReductTarget reduct_obj)
00137 {
00138   return *((RTOp_value_type*)reduct_obj);
00139 }
00140 

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