Mercurial > hg > orthanc-stone

comparison Framework/Toolbox/LinearAlgebra.cpp @ 181:ff8556874557 wasm

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speedup
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 14 Mar 2018 17:48:02 +0100
parents 7105e51e4907
children 964118e7e6de
comparison
equal deleted inserted replaced
180:4da803580da9 181:ff8556874557
89 const Orthanc::DicomTag& tag) 89 const Orthanc::DicomTag& tag)
90 { 90 {
91 std::string value; 91 std::string value;
92 return (dataset.CopyToString(value, tag, false) && 92 return (dataset.CopyToString(value, tag, false) &&
93 ParseVector(target, value)); 93 ParseVector(target, value));
94 }
95
96
97 void AssignVector(Vector& v,
98 double v1,
99 double v2)
100 {
101 v.resize(2);
102 v[0] = v1;
103 v[1] = v2;
104 }
105
106
107 void AssignVector(Vector& v,
108 double v1)
109 {
110 v.resize(1);
111 v[0] = v1;
112 }
113
114
115 void AssignVector(Vector& v,
116 double v1,
117 double v2,
118 double v3)
119 {
120 v.resize(3);
121 v[0] = v1;
122 v[1] = v2;
123 v[2] = v3;
124 }
125
126
127 void AssignVector(Vector& v,
128 double v1,
129 double v2,
130 double v3,
131 double v4)
132 {
133 v.resize(4);
134 v[0] = v1;
135 v[1] = v2;
136 v[2] = v3;
137 v[3] = v4;
138 }
139
140
141 Vector CreateVector(double v1)
142 {
143 Vector v;
144 AssignVector(v, v1);
145 return v;
146 }
147
148
149 Vector CreateVector(double v1,
150 double v2)
151 {
152 Vector v;
153 AssignVector(v, v1, v2);
154 return v;
155 }
156
157
158 Vector CreateVector(double v1,
159 double v2,
160 double v3)
161 {
162 Vector v;
163 AssignVector(v, v1, v2, v3);
164 return v;
165 }
166
167
168 Vector CreateVector(double v1,
169 double v2,
170 double v3,
171 double v4)
172 {
173 Vector v;
174 AssignVector(v, v1, v2, v3, v4);
175 return v;
176 }
177
178
179 bool IsNear(double x,
180 double y)
181 {
182 // As most input is read as single-precision numbers, we take the
183 // epsilon machine for float32 into consideration to compare numbers
184 return IsNear(x, y, 10.0 * std::numeric_limits<float>::epsilon());
185 } 94 }
186 95
187 96
188 void NormalizeVector(Vector& u) 97 void NormalizeVector(Vector& u)
189 { 98 {