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Teuchos_ArrayView.cpp
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41 
42 #include <Teuchos_ArrayView.hpp>
43 
44 namespace Teuchos {
45 
46 template<>
49 {
50  using Teuchos::as;
51  std::ostringstream ss;
52 
53  debug_assert_valid_ptr();
54 
55  ss.setf (std::ios::scientific);
56  // 8 = round(23 * log10(2)) + 1. That's one decimal digit more
57  // than the binary precision justifies, which should be plenty.
58  // Guy Steele et al. have a better algorithm for floating-point
59  // I/O, but using a lot of digits is the lazy approach.
60  ss.precision (8);
61  ss << "{";
62  for (size_type i = 0; i < size (); ++i) {
63  ss << operator[] (i);
64  if (i + 1 < size ()) {
65  ss << ", ";
66  }
67  }
68  ss << "}";
69  return ss.str ();
70 }
71 
72 template<>
75 {
76  using Teuchos::as;
77  std::ostringstream ss;
78 
79  debug_assert_valid_ptr();
80 
81  ss.setf (std::ios::scientific);
82  // 8 = round(23 * log10(2)) + 1. That's one decimal digit more
83  // than the binary precision justifies, which should be plenty.
84  // Guy Steele et al. have a better algorithm for floating-point
85  // I/O, but using a lot of digits is the lazy approach.
86  ss.precision (8);
87  ss << "{";
88  for (size_type i = 0; i < size (); ++i) {
89  ss << operator[] (i);
90  if (i + 1 < size ()) {
91  ss << ", ";
92  }
93  }
94  ss << "}";
95  return ss.str ();
96 }
97 
98 template<>
101 {
102  using Teuchos::as;
103  std::ostringstream ss;
104 
105  debug_assert_valid_ptr();
106 
107  ss.setf (std::ios::scientific);
108  // 17 = round(52 * log10(2)) + 1. That's one decimal digit more
109  // than the binary precision justifies, which should be plenty. Guy
110  // Steele et al. have a better algorithm for floating-point I/O, but
111  // using a lot of digits is the lazy approach.
112  ss.precision (17);
113  ss << "{";
114  for (size_type i = 0; i < size (); ++i) {
115  ss << operator[] (i);
116  if (i + 1 < size ()) {
117  ss << ", ";
118  }
119  }
120  ss << "}";
121  return ss.str ();
122 }
123 
124 template<>
125 TEUCHOSCORE_LIB_DLL_EXPORT std::string
127 {
128  using Teuchos::as;
129  std::ostringstream ss;
130 
131  debug_assert_valid_ptr();
132 
133  ss.setf (std::ios::scientific);
134  // 17 = round(52 * log10(2)) + 1. That's one decimal digit more
135  // than the binary precision justifies, which should be plenty. Guy
136  // Steele et al. have a better algorithm for floating-point I/O, but
137  // using a lot of digits is the lazy approach.
138  ss.precision (17);
139  ss << "{";
140  for (size_type i = 0; i < size (); ++i) {
141  ss << operator[] (i);
142  if (i + 1 < size ()) {
143  ss << ", ";
144  }
145  }
146  ss << "}";
147  return ss.str ();
148 }
149 
150 } // namespace Teuchos
std::string toString() const
Convert an ArrayView&lt;T&gt; to an std::string
Ordinal size_type
Type representing the number of elements in an ArrayRCP or view thereof.
#define TEUCHOSCORE_LIB_DLL_EXPORT
TypeTo as(const TypeFrom &t)
Convert from one value type to another.