template <> BASE_IMPEXP
double internal_kmeans<float>(
const bool use_kmeansplusplus_method,
const size_t nPoints,
const size_t k,
const size_t dims,
const float *points,
const size_t attempts,
float* out_center,
int *out_assignments)
{
std::vector<double> points_d(nPoints*dims);
std::vector<double> centers_d(k*dims);
// Convert: float -> double
for (size_t i=0;i<nPoints*dims;i++)
points_d[i] = double(points[i]);
const double ret = RunKMeans(nPoints,k,dims,&points_d[0],attempts,¢ers_d[0],out_assignments);
// Convert: double -> float
if (out_center)
for (size_t i=0;i<k*dims;i++)
out_center[i] = float(centers_d[i]);
return ret;
}
double internal_kmeans<double>(
const bool use_kmeansplusplus_method, const size_t nPoints, const size_t k,
const size_t dims, const double* points, const size_t attempts,
double* out_center, int* out_assignments)
{
MRPT_UNUSED_PARAM(use_kmeansplusplus_method);
return RunKMeans(
nPoints, k, dims, const_cast<double*>(points), attempts, out_center,
out_assignments);
}
/* -------------------------------------------
internal_kmeans
------------------------------------------- */
template <> BASE_IMPEXP
double internal_kmeans<double>(
const bool use_kmeansplusplus_method,
const size_t nPoints,
const size_t k,
const size_t dims,
const double *points,
const size_t attempts,
double* out_center,
int *out_assignments)
{
return RunKMeans(nPoints,k,dims,const_cast<double*>(points),attempts,out_center,out_assignments);
}