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AllocResultUtil.h
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2  * Copyright (c) The Shogun Machine Learning Toolbox
3  * Written (w) 2015 Soumyajit De
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30 
31 #ifndef ALLOC_RESULT_UTIL_H_
32 #define ALLOC_RESULT_UTIL_H_
33 
34 #include <shogun/lib/config.h>
35 #include <shogun/lib/SGMatrix.h>
36 
37 #ifdef HAVE_VIENNACL
38 #include <shogun/lib/GPUMatrix.h>
39 #endif // HAVE_VIENNACL
40 
41 namespace shogun
42 {
43 
44 namespace linalg
45 {
46 
47 namespace util
48 {
49 
55 template <class Operand, class ReturnType>
57 {
65  static ReturnType alloc(Operand op)
66  {
67  return ReturnType(op.size());
68  }
69 };
70 
76 template <typename T, typename ST>
78 {
86  {
87  return SGMatrix<ST>(m.num_rows, m.num_cols);
88  }
89 };
90 
91 #ifdef HAVE_VIENNACL
92 
97 template <typename T, typename ST>
98 struct allocate_result<CGPUMatrix<T>, CGPUMatrix<ST>>
99 {
106  static CGPUMatrix<ST> alloc(CGPUMatrix<T> m)
107  {
108  return CGPUMatrix<ST>(m.num_rows, m.num_cols);
109  }
110 };
111 #endif // HAVE_VIENNACL
112 
113 }
114 
115 }
116 
117 }
118 #endif // ALLOC_RESULT_UTIL_H_
Template struct allocate_result for allocating objects of return type for element-wise operations...
index_t num_cols
Definition: SGMatrix.h:378
index_t num_rows
Definition: SGMatrix.h:376
shogun matrix
all of classes and functions are contained in the shogun namespace
Definition: class_list.h:18
static ReturnType alloc(Operand op)

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