Removed trailing spaces

This caused warnings.

modules/optim/doc/downhill_simplex_method.rst

@@ -32,7 +32,7 @@ positive integer ``termcrit.maxCount`` and positive non-integer ``termcrit.epsil
         public:
            virtual ~Function() {}
            //! ndim - dimensionality
-           virtual double calc(const double* x) const = 0;     
+           virtual double calc(const double* x) const = 0;
         };
 
         virtual Ptr<Function> getFunction() const = 0;
@@ -64,7 +64,7 @@ algorithms in the ``optim`` module.
 optim::DownhillSolver::getFunction
 --------------------------------------------
 
-Getter for the optimized function. The optimized function is represented by ``Solver::Function`` interface, which requires 
+Getter for the optimized function. The optimized function is represented by ``Solver::Function`` interface, which requires
 derivatives to implement the sole method ``calc(double*)`` to evaluate the function.
 
 .. ocv:function:: Ptr<Solver::Function> optim::DownhillSolver::getFunction()
@@ -134,7 +134,7 @@ of projection is treated to be vector given by :math:`s_i:=e_i\cdot\left<e_i\cdo
 optim::DownhillSolver::minimize
 -----------------------------------
 
-The main method of the ``DownhillSolver``. It actually runs the algorithm and performs the minimization. The sole input parameter determines the 
+The main method of the ``DownhillSolver``. It actually runs the algorithm and performs the minimization. The sole input parameter determines the
 centroid of the starting simplex (roughly, it tells where to start), all the others (terminal criteria, initial step, function to be minimized)
 are supposed to be set via the setters before the call to this method or the default values (not always sensible) will be used.
 

modules/optim/src/simplex.cpp

@@ -28,11 +28,11 @@ namespace cv{namespace optim{
     };
 
     double DownhillSolverImpl::try_new_point(
-        Mat_<double>& p, 
+        Mat_<double>& p,
         Mat_<double>& y,
-        Mat_<double>&  coord_sum, 
+        Mat_<double>&  coord_sum,
         const Ptr<Solver::Function>& f,
-        int      ihi, 
+        int      ihi,
         double   fac,
         Mat_<double>& ptry
         )
@@ -40,24 +40,24 @@ namespace cv{namespace optim{
         int ndim=p.cols;
         int j;
         double fac1,fac2,ytry;
-        
+
         fac1=(1.0-fac)/ndim;
         fac2=fac1-fac;
-        for (j=0;j<ndim;j++) 
+        for (j=0;j<ndim;j++)
         {
             ptry(j)=coord_sum(j)*fac1-p(ihi,j)*fac2;
         }
         ytry=f->calc((double*)ptry.data);
-        if (ytry < y(ihi)) 
+        if (ytry < y(ihi))
         {
             y(ihi)=ytry;
-            for (j=0;j<ndim;j++) 
+            for (j=0;j<ndim;j++)
             {
                 coord_sum(j) += ptry(j)-p(ihi,j);
                 p(ihi,j)=ptry(j);
             }
         }
-        
+
         return ytry;
     }
 
@@ -68,8 +68,8 @@ namespace cv{namespace optim{
     form a simplex - each row is an ndim vector.
     On output, nfunk gives the number of function evaluations taken.
     */
-    double DownhillSolverImpl::inner_downhill_simplex( 
-        cv::Mat_<double>&   p, 
+    double DownhillSolverImpl::inner_downhill_simplex(
+        cv::Mat_<double>&   p,
         double     MinRange,
         double     MinError,
         int&       nfunk,
@@ -84,32 +84,32 @@ namespace cv{namespace optim{
         Mat_<double> coord_sum(1,ndim,0.0),buf(1,ndim,0.0),y(1,ndim,0.0);
 
         nfunk = 0;
-        
+
         for(i=0;i<ndim+1;++i)
         {
             y(i) = f->calc(p[i]);
         }
 
         nfunk = ndim+1;
-        
+
         compute_coord_sum(p,coord_sum);
-        
-        for (;;) 
+
+        for (;;)
         {
             ilo=0;
             /*  find highest (worst), next-to-worst, and lowest
                 (best) points by going through all of them. */
             ihi = y(0)>y(1) ? (inhi=1,0) : (inhi=0,1);
-            for (i=0;i<mpts;i++) 
+            for (i=0;i<mpts;i++)
             {
-                if (y(i) <= y(ilo)) 
+                if (y(i) <= y(ilo))
                     ilo=i;
-                if (y(i) > y(ihi)) 
+                if (y(i) > y(ihi))
                 {
                     inhi=ihi;
                     ihi=i;
-                } 
-                else if (y(i) > y(inhi) && i != ihi) 
+                }
+                else if (y(i) > y(inhi) && i != ihi)
                     inhi=i;
             }
 
@@ -130,10 +130,10 @@ namespace cv{namespace optim{
                 if(range < d) range = d;
             }
 
-            if(range <= MinRange || error <= MinError) 
+            if(range <= MinRange || error <= MinError)
             { /* Put best point and value in first slot. */
                 std::swap(y(0),y(ilo));
-                for (i=0;i<ndim;i++) 
+                for (i=0;i<ndim;i++)
                 {
                     std::swap(p(0,i),p(ilo,i));
                 }
@@ -151,17 +151,17 @@ namespace cv{namespace optim{
             { /*If that's better than the best point, go twice as far in that direction*/
                 ytry = try_new_point(p,y,coord_sum,f,ihi,2.0,buf);
             }
-            else if (ytry >= y(inhi)) 
+            else if (ytry >= y(inhi))
             {   /* The new point is worse than the second-highest, but better
                   than the worst so do not go so far in that direction */
                 ysave = y(ihi);
                 ytry = try_new_point(p,y,coord_sum,f,ihi,0.5,buf);
-                if (ytry >= ysave) 
+                if (ytry >= ysave)
                 { /* Can't seem to improve things. Contract the simplex to good point
                in hope to find a simplex landscape. */
-                    for (i=0;i<mpts;i++) 
+                    for (i=0;i<mpts;i++)
                     {
-                        if (i != ilo) 
+                        if (i != ilo)
                         {
                             for (j=0;j<ndim;j++)
                             {

modules/optim/test/test_downhill_simplex.cpp

@@ -3,7 +3,7 @@
 #include <cmath>
 #include <algorithm>
 
-static void mytest(cv::Ptr<cv::optim::DownhillSolver> solver,cv::Ptr<cv::optim::Solver::Function> ptr_F,cv::Mat& x,cv::Mat& step, 
+static void mytest(cv::Ptr<cv::optim::DownhillSolver> solver,cv::Ptr<cv::optim::Solver::Function> ptr_F,cv::Mat& x,cv::Mat& step,
         cv::Mat& etalon_x,double etalon_res){
     solver->setFunction(ptr_F);
     int ndim=MAX(step.cols,step.rows);