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RTOp_ROp_sum_abs.c
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5 // Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
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43 
44 #include <math.h>
45 
46 /* ///////////////////////////////////////////// */
47 /* RTOp_ROp_sum_abs.c */
48 
49 /* */
50 /* Note: This file was created automatically by 'new_rtop.pl' */
51 /* on 8/12/2003 at 19:31 */
52 /* */
53 
54 #define max(a,b) ( (a) > (b) ? (a) : (b) )
55 #define min(a,b) ( (a) < (b) ? (a) : (b) )
56 
57 #include "RTOp_ROp_sum_abs.h"
58 #include "RTOp_obj_null_vtbl.h" /* vtbl for operator object instance data */
59 #include "RTOp_reduct_sum_value.h" /* Reduction of intermediate reduction objects */
60 
61 /* Implementation functions for RTOp_RTOp */
62 
63 static int RTOp_ROp_sum_abs_apply_op(
64  const struct RTOp_RTOp_vtbl_t* vtbl, const void* obj_data
65  , const int num_vecs, const struct RTOp_SubVector vecs[]
66  , const int num_targ_vecs, const struct RTOp_MutableSubVector targ_vecs[]
67  , RTOp_ReductTarget reduct_obj )
68 {
69  /* */
70  /* Declare local variables */
71  /* */
72 
73  /* Access to the reduction object data */
74  RTOp_value_type *abs_sum = (RTOp_value_type*)reduct_obj;
75  /* Vector data */
76  RTOp_index_type sub_dim;
77  /* v0 */
78  const RTOp_value_type *v0_val;
79  ptrdiff_t v0_val_s;
80 
81  /* Automatic temporary variables */
82  register RTOp_index_type k;
83  /* Temporary element-wise reduction object */
84  RTOp_value_type abs_sum_ith;
85 
86  /* */
87  /* Validate the input */
88  /* */
89  if( num_vecs != 1 || ( num_vecs && vecs == NULL ) )
90  return RTOp_ERR_INVALID_NUM_VECS;
91  if( num_targ_vecs != 0 || ( num_targ_vecs && targ_vecs == NULL ) )
92  return RTOp_ERR_INVALID_NUM_TARG_VECS;
93  assert(reduct_obj);
94 
95  /* */
96  /* Get pointers to data */
97  /* */
98  sub_dim = vecs[0].sub_dim;
99  /* v0 */
100  v0_val = vecs[0].values;
101  v0_val_s = vecs[0].values_stride;
102 
103  /* */
104  /* Apply the operator: */
105  /* */
106  for( k = 0; k < sub_dim; ++k, v0_val += v0_val_s )
107  {
108  /* Element-wise reduction */
109  abs_sum_ith = fabs((*v0_val));
110  /* Reduction of intermediates */
111  (*abs_sum) += abs_sum_ith;
112  }
113 
114  return 0; /* success? */
115 }
116 
117 /* Virtual function table */
118 const struct RTOp_RTOp_vtbl_t RTOp_ROp_sum_abs_vtbl =
119 {
120  &RTOp_obj_null_vtbl
121  ,&RTOp_obj_value_vtbl
122  ,"ROp_sum_abs"
123  ,NULL
124  ,RTOp_ROp_sum_abs_apply_op
125  ,RTOp_reduct_sum_value
126  ,RTOp_get_reduct_sum_value_op
127 };
128 
129 /* Class specific functions */
130 
131 int RTOp_ROp_sum_abs_construct( struct RTOp_RTOp* op )
132 {
133 #ifdef RTOp_DEBUG
134  assert(op);
135 #endif
136  op->obj_data = NULL;
137  op->vtbl = &RTOp_ROp_sum_abs_vtbl;
138  op->vtbl->obj_data_vtbl->obj_create(NULL,NULL,&op->obj_data);
139  return 0;
140 }
141 
142 int RTOp_ROp_sum_abs_destroy( struct RTOp_RTOp* op )
143 {
144  op->vtbl->obj_data_vtbl->obj_free(NULL,NULL,&op->obj_data);
145  op->obj_data = NULL;
146  op->vtbl = NULL;
147  return 0;
148 }
149 
150 
151 RTOp_value_type RTOp_ROp_sum_abs_val(RTOp_ReductTarget reduct_obj)
152 {
153  return *((RTOp_value_type*)reduct_obj);
154 }
155 
int(* obj_create)(const struct RTOp_obj_type_vtbl_t *vtbl, const void *instance_data, void **obj)
Definition: RTOp.h:941
int(* obj_free)(const struct RTOp_obj_type_vtbl_t *vtbl, const void *instance_data, void **obj)
Definition: RTOp.h:1019