MOOCHO (Single Doxygen Collection) Version of the Day
RTOp_ROp_sum_abs.c
Go to the documentation of this file.
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 // Redistribution and use in source and binary forms, with or without
00012 // modification, are permitted provided that the following conditions are
00013 // met:
00014 //
00015 // 1. Redistributions of source code must retain the above copyright
00016 // notice, this list of conditions and the following disclaimer.
00017 //
00018 // 2. Redistributions in binary form must reproduce the above copyright
00019 // notice, this list of conditions and the following disclaimer in the
00020 // documentation and/or other materials provided with the distribution.
00021 //
00022 // 3. Neither the name of the Corporation nor the names of the
00023 // contributors may be used to endorse or promote products derived from
00024 // this software without specific prior written permission.
00025 //
00026 // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
00027 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00028 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
00029 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
00030 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00031 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00032 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00033 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00034 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00035 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00036 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00037 //
00038 // Questions? Contact Roscoe A. Bartlett (rabartl@sandia.gov) 
00039 // 
00040 // ***********************************************************************
00041 // @HEADER
00042 */
00043 
00044 #include <math.h>
00045 
00046 /* ///////////////////////////////////////////// */
00047 /* RTOp_ROp_sum_abs.c */
00048 
00049 /* */
00050 /* Note: This file was created automatically by 'new_rtop.pl' */
00051 /*       on 8/12/2003 at 19:31 */
00052 /* */
00053 
00054 #define max(a,b) ( (a) > (b) ? (a) : (b) )
00055 #define min(a,b) ( (a) < (b) ? (a) : (b) )
00056 
00057 #include "RTOp_ROp_sum_abs.h"
00058 #include "RTOp_obj_null_vtbl.h"     /* vtbl for operator object instance data */
00059 #include "RTOp_reduct_sum_value.h"  /* Reduction of intermediate reduction objects */
00060 
00061 /* Implementation functions for RTOp_RTOp */
00062 
00063 static int RTOp_ROp_sum_abs_apply_op(
00064   const struct RTOp_RTOp_vtbl_t* vtbl, const void* obj_data
00065   , const int num_vecs, const struct RTOp_SubVector vecs[]
00066   , const int num_targ_vecs, const struct RTOp_MutableSubVector targ_vecs[]
00067   , RTOp_ReductTarget reduct_obj )
00068 {
00069   /* */
00070   /* Declare local variables */
00071   /* */
00072 
00073   /* Access to the reduction object data */
00074   RTOp_value_type *abs_sum = (RTOp_value_type*)reduct_obj;
00075   /* Vector data */
00076   RTOp_index_type           sub_dim;
00077   /* v0 */
00078   const RTOp_value_type     *v0_val;
00079   ptrdiff_t                 v0_val_s;
00080 
00081   /* Automatic temporary variables */
00082   register RTOp_index_type  k;
00083   /* Temporary element-wise reduction object */
00084   RTOp_value_type abs_sum_ith;
00085 
00086   /* */
00087   /* Validate the input */
00088   /* */
00089   if( num_vecs != 1 || ( num_vecs && vecs == NULL ) )
00090     return RTOp_ERR_INVALID_NUM_VECS;
00091   if( num_targ_vecs != 0 || ( num_targ_vecs && targ_vecs == NULL ) )
00092     return RTOp_ERR_INVALID_NUM_TARG_VECS;
00093   assert(reduct_obj);
00094 
00095   /* */
00096   /* Get pointers to data */
00097   /* */
00098   sub_dim       = vecs[0].sub_dim;
00099   /* v0 */
00100   v0_val        = vecs[0].values;
00101   v0_val_s      = vecs[0].values_stride;
00102 
00103   /* */
00104   /* Apply the operator: */
00105   /* */
00106   for( k = 0; k < sub_dim; ++k, v0_val += v0_val_s )
00107   {
00108     /* Element-wise reduction */
00109     abs_sum_ith = fabs((*v0_val));
00110     /* Reduction of intermediates */
00111     (*abs_sum) += abs_sum_ith;
00112   }
00113 
00114   return 0; /* success? */
00115 }
00116 
00117 /* Virtual function table */
00118 const struct RTOp_RTOp_vtbl_t RTOp_ROp_sum_abs_vtbl =
00119 {
00120   &RTOp_obj_null_vtbl
00121   ,&RTOp_obj_value_vtbl
00122   ,"ROp_sum_abs"
00123   ,NULL
00124   ,RTOp_ROp_sum_abs_apply_op
00125   ,RTOp_reduct_sum_value
00126   ,RTOp_get_reduct_sum_value_op
00127 };
00128 
00129 /* Class specific functions */
00130 
00131 int RTOp_ROp_sum_abs_construct(  struct RTOp_RTOp* op )
00132 {
00133 #ifdef RTOp_DEBUG
00134   assert(op);
00135 #endif
00136   op->obj_data  = NULL;
00137   op->vtbl      = &RTOp_ROp_sum_abs_vtbl;
00138   op->vtbl->obj_data_vtbl->obj_create(NULL,NULL,&op->obj_data);
00139   return 0;
00140 }
00141 
00142 int RTOp_ROp_sum_abs_destroy( struct RTOp_RTOp* op )
00143 {
00144   op->vtbl->obj_data_vtbl->obj_free(NULL,NULL,&op->obj_data);
00145   op->obj_data  = NULL;
00146   op->vtbl      = NULL;
00147   return 0;
00148 }
00149 
00150 
00151 RTOp_value_type RTOp_ROp_sum_abs_val(RTOp_ReductTarget reduct_obj)
00152 {
00153   return *((RTOp_value_type*)reduct_obj);
00154 }
00155 
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines