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RTOp_TOp_assign_scalar.c
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5 // Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
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43 
44 #include "RTOp_TOp_assign_scalar.h"
45 #include "RTOp_obj_value_vtbl.h"
46 #include "RTOp_obj_null_vtbl.h"
47 
48 /* Implementation functions for RTOp_RTOp */
49 
50 static int RTOp_TOp_assign_scalar_apply_op(
51  const struct RTOp_RTOp_vtbl_t* vtbl, const void* obj_data
52  , const int num_vecs, const struct RTOp_SubVector vecs[]
53  , const int num_targ_vecs, const struct RTOp_MutableSubVector targ_vecs[]
54  , RTOp_ReductTarget targ_obj )
55 {
56  /* */
57  /* Get pointers to data */
58  /* */
59 
60  /* alpha */
61  const RTOp_value_type alpha = *((RTOp_value_type*)obj_data);
62 
63  /* z */
64  RTOp_index_type z_sub_dim = targ_vecs[0].sub_dim;
65  RTOp_value_type *z_val = targ_vecs[0].values;
66  ptrdiff_t z_val_s = targ_vecs[0].values_stride;
67 
68  register RTOp_index_type k;
69 
70  /* */
71  /* Validate the input */
72  /* */
73 
74  if( num_vecs != 0 || vecs != NULL )
75  return RTOp_ERR_INVALID_NUM_VECS;
76  if( num_targ_vecs != 1 || targ_vecs == NULL )
77  return RTOp_ERR_INVALID_NUM_TARG_VECS;
78 
79  /* */
80  /* Assign the elements */
81  /* */
82 
83  for( k = 0; k < z_sub_dim; ++k, z_val += z_val_s )
84  *z_val = alpha;
85 
86  return 0; /* success? */
87 }
88 
89 /* Virtual function table */
90 const struct RTOp_RTOp_vtbl_t RTOp_TOp_assign_scalar_vtbl =
91 {
92  &RTOp_obj_value_vtbl /* use simple scalar value type for object instance data */
93  ,&RTOp_obj_null_vtbl /* use null type for target object */
94  ,"TOp_assign_scalar"
95  ,NULL /* use default from reduct_vtbl */
96  ,RTOp_TOp_assign_scalar_apply_op
97  ,NULL
98  ,NULL
99 };
100 
101 /* Class specific functions */
102 
103 int RTOp_TOp_assign_scalar_construct( RTOp_value_type alpha, struct RTOp_RTOp* op )
104 {
105  op->vtbl = &RTOp_TOp_assign_scalar_vtbl;
106  op->vtbl->obj_data_vtbl->obj_create(NULL,NULL,&op->obj_data);
107  *((RTOp_value_type*)op->obj_data) = alpha;
108  return 0; /* success? */
109 }
110 
111 int RTOp_TOp_assign_scalar_destroy( struct RTOp_RTOp* op )
112 {
113  op->vtbl->obj_data_vtbl->obj_free(NULL,NULL,&op->obj_data);
114  op->vtbl = NULL;
115  return 0; /* success? */
116 }
117 
118 int RTOp_TOp_assign_scalar_set_alpha( RTOp_value_type alpha, struct RTOp_RTOp* op )
119 {
120  *((RTOp_value_type*)op->obj_data) = alpha;
121  return 0; /* success? */
122 }
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