RTOpPack: Extra C/C++ Code for Vector Reduction/Transformation Operators  Version of the Day
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Groups Pages
RTOp_reduct_max_value.c
1 /*
2 // @HEADER
3 // ***********************************************************************
4 //
5 // Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
6 // Copyright (2003) Sandia Corporation
7 //
8 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
9 // license for use of this work by or on behalf of the U.S. Government.
10 //
11 // Redistribution and use in source and binary forms, with or without
12 // modification, are permitted provided that the following conditions are
13 // met:
14 //
15 // 1. Redistributions of source code must retain the above copyright
16 // notice, this list of conditions and the following disclaimer.
17 //
18 // 2. Redistributions in binary form must reproduce the above copyright
19 // notice, this list of conditions and the following disclaimer in the
20 // documentation and/or other materials provided with the distribution.
21 //
22 // 3. Neither the name of the Corporation nor the names of the
23 // contributors may be used to endorse or promote products derived from
24 // this software without specific prior written permission.
25 //
26 // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
27 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
30 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
31 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
32 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
33 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
34 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
35 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
36 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 //
38 // Questions? Contact Roscoe A. Bartlett (rabartl@sandia.gov)
39 //
40 // ***********************************************************************
41 // @HEADER
42 */
43 
44 #define MY_MAX(a,b) a > b ? a : b
45 
46 #include "RTOp_reduct_max_value.h"
47 
48 int RTOp_reduct_max_value(
49  const struct RTOp_RTOp_vtbl_t* vtbl, const void* obj_data
50  , RTOp_ReductTarget in_targ_obj, RTOp_ReductTarget inout_targ_obj )
51 {
52  /* inout_dot_prod += in_dot_prod */
53  *((RTOp_value_type*)inout_targ_obj)
54  = MY_MAX( *((RTOp_value_type*)inout_targ_obj)
55  ,*((RTOp_value_type*)in_targ_obj)
56  );
57  return 0;
58 }
59 
60 static void CALL_API external_reduct_op( void* in_targ_array, void* inout_targ_array
61  , int* len, RTOp_Datatype* datatype )
62 {
63  /* inout_dot_prod += in_dot_prod */
64  RTOp_value_type /* index past the size members */
65  *in_targs = (RTOp_value_type*)in_targ_array + 3,
66  *inout_targs = (RTOp_value_type*)inout_targ_array + 3;
67  int i;
68  for( i = 0; i < *len; ++i, inout_targs += 4, in_targs += 4 )
69  *inout_targs = MY_MAX(*inout_targs,*in_targs);
70 }
71 
72 int RTOp_get_reduct_max_value_op(
73  const struct RTOp_RTOp_vtbl_t* vtbl, const void* obj_data
74  , RTOp_reduct_op_func_ptr_t* reduct_op_func_ptr )
75 {
76  *reduct_op_func_ptr = external_reduct_op;
77  return 0;
78 }