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Sacado_StaticArrayTraits.hpp
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1// @HEADER
2// ***********************************************************************
3//
4// Sacado Package
5// Copyright (2006) Sandia Corporation
6//
7// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
8// the U.S. Government retains certain rights in this software.
9//
10// This library is free software; you can redistribute it and/or modify
11// it under the terms of the GNU Lesser General Public License as
12// published by the Free Software Foundation; either version 2.1 of the
13// License, or (at your option) any later version.
14//
15// This library is distributed in the hope that it will be useful, but
16// WITHOUT ANY WARRANTY; without even the implied warranty of
17// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18// Lesser General Public License for more details.
19//
20// You should have received a copy of the GNU Lesser General Public
21// License along with this library; if not, write to the Free Software
22// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
23// USA
24// Questions? Contact David M. Gay (dmgay@sandia.gov) or Eric T. Phipps
25// (etphipp@sandia.gov).
26//
27// ***********************************************************************
28// @HEADER
29
30#ifndef SACADO_STATICARRAYTRAITS_HPP
31#define SACADO_STATICARRAYTRAITS_HPP
32
33#include <cstring>
34
35#include "Sacado_Traits.hpp"
36
37namespace Sacado {
38
42 template <typename T, bool isScalar = IsScalarType<T>::value>
43 struct ss_array {
44
47 static void copy(const T* src, T* dest, int sz) {
48 for (int i=0; i<sz; ++i)
49 *(dest++) = *(src++);
50 }
51
54 static void zero(T* dest, int sz) {
55 for (int i=0; i<sz; ++i)
56 *(dest++) = T(0.);
57 }
58 };
59
64 template <typename T>
65 struct ss_array<T,true> {
66
69 static void copy(const T* src, T* dest, int sz) {
70 if (sz > 0)
71#if defined( __CUDACC__) || defined(__HIPCC__ )
72 for (int i=0; i<sz; ++i)
73 dest[i] = src[i];
74#else
75 std::memcpy(dest,src,sz*sizeof(T));
76#endif
77 }
78
81 static void zero(T* dest, int sz) {
82 if (sz > 0)
83#if defined(__CUDACC__ ) || defined(__HIPCC__ )
84 for (int i=0; i<sz; ++i)
85 dest[i] = T(0.);
86#else
87 std::memset(dest,0,sz*sizeof(T));
88#endif
89 }
90
91 };
92
93} // namespace Sacado
94
95#endif // SACAD0_STATICARRAYTRAITS_HPP
#define SACADO_INLINE_FUNCTION
expr true
#define T
Definition: Sacado_rad.hpp:573
static SACADO_INLINE_FUNCTION void zero(T *dest, int sz)
Zero out array dest of length sz.
static SACADO_INLINE_FUNCTION void copy(const T *src, T *dest, int sz)
Copy array from src to dest of length sz.
Static array allocation class that works for any type.
static SACADO_INLINE_FUNCTION void zero(T *dest, int sz)
Zero out array dest of length sz.
static SACADO_INLINE_FUNCTION void copy(const T *src, T *dest, int sz)
Copy array from src to dest of length sz.