OpenMesh: OpenMesh/Tools/Utils/Timer.hh Source File

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Timer.hh
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47 \*===========================================================================*/
48
49 #ifndef TIMER_HH
50 #define TIMER_HH
51 // ----------------------------------------------------------------------------
52
58 // ----------------------------------------------------------------------------
59
60 #include <OpenMesh/Core/System/config.hh>
61 //
62 #include <ostream>
63 #include <string>
64 #if defined(OM_CC_MIPS)
65 # include <assert.h>
66 #else
67 # include <cassert>
68 #endif
69
70
71 // ------------------------------------------------------------- namespace ----
72
73 namespace OpenMesh {
74 namespace Utils {
75
76
77 // -------------------------------------------------------------- forwards ----
78
79
80 class TimerImpl;
81
82
83 // ----------------------------------------------------------------- class ----
84
87 class OPENMESHDLLEXPORT Timer
88 {
89 public:
90
92 enum Format {
93 Automatic,
94 Long,
95 Hours,
96 Minutes,
97 Seconds,
98 HSeconds,
99 MSeconds,
100 MicroSeconds,
101 NanoSeconds
102 };
103
104 Timer(void);
105
106 Timer(const Timer& _other) = delete;
107
108 ~Timer(void);
109
111 bool is_valid() const { return state_!=Invalid; }
112
113 bool is_stopped() const { return state_==Stopped; }
114
116 void reset(void);
117
119 void start(void);
120
122 void stop(void);
123
125 void cont(void);
126
128 float resolution() const;
129
131 double seconds(void) const;
132
134 double hseconds(void) const { return seconds()*1e2; }
135
137 double mseconds(void) const { return seconds()*1e3; }
138
140 double useconds(void) const { return seconds()*1e6; }
141
145 std::string as_string(Format format = Automatic);
146
150 static std::string as_string(double seconds, Format format = Automatic);
151
152 public:
153
155 bool operator < (const Timer& t2) const
157 {
158 assert( is_stopped() && t2.is_stopped() );
159 return (seconds() < t2.seconds());
160 }
161
162 bool operator > (const Timer& t2) const
163 {
164 assert( is_stopped() && t2.is_stopped() );
165 return (seconds() > t2.seconds());
166 }
167
168 bool operator == (const Timer& t2) const
169 {
170 assert( is_stopped() && t2.is_stopped() );
171 return (seconds() == t2.seconds());
172 }
173
174 bool operator <= (const Timer& t2) const
175 {
176 assert( is_stopped() && t2.is_stopped() );
177 return (seconds() <= t2.seconds());
178 }
179
180 bool operator >=(const Timer& t2) const
181 {
182 assert( is_stopped() && t2.is_stopped() );
183 return (seconds() >= t2.seconds());
184 }
186
187 protected:
188
189 TimerImpl *impl_;
190
191 enum {
192 Invalid = -1,
193 Stopped = 0,
194 Running = 1
195 } state_;
196
197 };
198
199
204 inline std::ostream& operator << (std::ostream& _o, const Timer& _t)
205 {
206 return (_o << _t.seconds());
207 }
208
209
210 // ============================================================================
211 } // END_NS_UTILS
212 } // END_NS_OPENMESH
213 // ============================================================================
214 #endif
215 // end of Timer.hh
216 // ===========================================================================
217
OpenMesh::Utils::Timer::useconds
double useconds(void) const
Returns measured time in micro seconds, if the timer is in state &#39;Stopped&#39;.
Definition: Timer.hh:140
OpenMesh::operator<<
auto operator<<(std::ostream &os, const VectorT< Scalar, DIM > &_vec) -> typename std::enable_if< sizeof(decltype(os<< _vec[0])) >=0
output a vector by printing its space-separated compontens
OpenMesh::Utils::Timer
Timer class.
Definition: Timer.hh:87
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
OpenMesh::Utils::Timer::Format
Format
Formatting options for member Timer::as_string()
Definition: Timer.hh:92
OpenMesh::Utils::Timer::is_valid
bool is_valid() const
Returns true if self is in a valid state!
Definition: Timer.hh:111
OpenMesh::Utils::Timer::seconds
double seconds(void) const
Returns measured time in seconds, if the timer is in state &#39;Stopped&#39;.
OpenMesh::Utils::Timer::hseconds
double hseconds(void) const
Returns measured time in hundredth seconds, if the timer is in state &#39;Stopped&#39;.
Definition: Timer.hh:134
OpenMesh::Utils::Timer::mseconds
double mseconds(void) const
Returns measured time in milli seconds, if the timer is in state &#39;Stopped&#39;.
Definition: Timer.hh:137