You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
1.8 KiB
52 lines
1.8 KiB
9 years ago
|
/** @file */
|
||
|
|
/* The MIT License
|
||
|
|
*
|
||
|
|
* Copyright (c) 2008, Naotoshi Seo <sonots(at)sonots.com>
|
||
|
|
*
|
||
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
|
* of this software and associated documentation files (the "Software"), to deal
|
||
|
|
* in the Software without restriction, including without limitation the rights
|
||
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
|
|
* copies of the Software, and to permit persons to whom the Software is
|
||
|
|
* furnished to do so, subject to the following conditions:
|
||
|
|
*
|
||
|
|
* The above copyright notice and this permission notice shall be included in
|
||
|
|
* all copies or substantial portions of the Software.
|
||
|
|
*
|
||
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||
|
|
* THE SOFTWARE.
|
||
|
|
*/
|
||
|
|
#ifndef CV_RAND_INCLUDED
|
||
|
|
#define CV_RAND_INCLUDED
|
||
|
|
|
||
|
|
#include "cv.h"
|
||
|
|
#include "cvaux.h"
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This function returns a Gaussian random variate, with mean zero and standard deviation sigma.
|
||
|
|
*
|
||
|
|
* @param rng cvRNG random state
|
||
|
|
* @param sigma standard deviation
|
||
|
|
* @return double
|
||
|
|
*/
|
||
|
|
CV_INLINE double cvRandGauss( CvRNG* rng, double sigma )
|
||
|
|
{
|
||
|
|
CvMat* mat = cvCreateMat( 1, 1, CV_64FC1 );
|
||
|
|
double var = 0;
|
||
|
|
cvRandArr( rng, mat, CV_RAND_NORMAL, cvRealScalar(0), cvRealScalar(sigma) );
|
||
|
|
var = cvmGet( mat, 0, 0 );
|
||
|
|
cvReleaseMat( &mat );
|
||
|
|
return var;
|
||
|
|
}
|
||
|
|
/*
|
||
|
|
rng.disttype = CV_RAND_NORMAL;
|
||
|
|
cvRandSetRange( &rng, 30, 100, -1 ); */
|
||
|
|
|
||
|
|
|
||
|
|
#endif
|