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# TNT::Stopwatch Class Reference

`#include <tnt_stopwatch.h>`

List of all members.

## Public Methods
| Stopwatch ()
void | start ()
double | stop ()
double | read ()
void | resume ()
int | running ()

## Detailed Description

Performance Stopwatch used for benchmarking codes. Measures seconds elapsed as a floating point number. Resolution of the clock is determined by CLOCKS_PER_SEC in time.h. Typical use is given by

    	Stopwatch Q;

    	Q.start;
    	{code to benchmark}
    	Q.stop;

    	double time_elapsed = Q.read();

## Constructor & Destructor Documentation

TNT::Stopwatch::Stopwatch ( | )

| Create an instance of a Stopwatch, with its own internal counter.

## Member Function Documentation

double TNT::Stopwatch::read ( | )`[inline]`

| Read current time, in seconds. (NOTE: Does NOT stop timing.)

void TNT::Stopwatch::resume ( | )`[inline]`

| Resume timing, if currently stopped. Operation has no effect if Stopwatch is already running.

int TNT::Stopwatch::running ( | )`[inline]`

| Returns: Zero (0) if stopwatch is not currently running, i.e. stopped. One (1), otherwise.

void TNT::Stopwatch::start ( | )`[inline]`

| Start timing from 0.00.

double TNT::Stopwatch::stop ( | )`[inline]`

| Stop timing and return elapsed time (in seconds).

The documentation for this class was generated from the following file:

- tnt_stopwatch.h