[mlpack-git] master, mlpack-1.0.x: Const parameters will cause this to be two billion times faster. (a9e677a)

[gitdub at big.cc.gt.atl.ga.us]

Repository : https://github.com/mlpack/mlpack

On branches: master,mlpack-1.0.x
Link       : https://github.com/mlpack/mlpack/compare/904762495c039e345beba14c1142fd719b3bd50e...f94823c800ad6f7266995c700b1b630d5ffdcf40

>---------------------------------------------------------------

commit a9e677aa9fd0eab9c77275a64ba62d9e2e74419a
Author: Ryan Curtin <ryan at ratml.org>
Date:   Tue May 13 19:25:55 2014 +0000

    Const parameters will cause this to be two billion times faster.


>---------------------------------------------------------------

a9e677aa9fd0eab9c77275a64ba62d9e2e74419a
 src/mlpack/core/kernels/gaussian_kernel.hpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/mlpack/core/kernels/gaussian_kernel.hpp b/src/mlpack/core/kernels/gaussian_kernel.hpp
index 606f4cb..859a91d 100644
--- a/src/mlpack/core/kernels/gaussian_kernel.hpp
+++ b/src/mlpack/core/kernels/gaussian_kernel.hpp
@@ -39,7 +39,7 @@ class GaussianKernel
    *
    * @param bandwidth The bandwidth of the kernel (@f$\mu at f$).
    */
-  GaussianKernel(double bandwidth) :
+  GaussianKernel(const double bandwidth) :
       bandwidth(bandwidth),
       gamma(-0.5 * pow(bandwidth, -2.0))
   { }
@@ -69,7 +69,7 @@ class GaussianKernel
    * @return K(t) using the bandwidth (@f$\mu at f$) specified in the
    *     constructor.
    */
-  double Evaluate(double t) const
+  double Evaluate(const double t) const
   {
     // The precalculation of gamma saves us a little computation time.
     return exp(gamma * std::pow(t, 2.0));
@@ -81,7 +81,7 @@ class GaussianKernel
    * @param dimension
    * @return the normalization constant
    */
-  double Normalizer(size_t dimension)
+  double Normalizer(const size_t dimension)
   {
     return pow(sqrt(2.0 * M_PI) * bandwidth, (double) dimension);
   }