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nvidia-texture-tools/src/nvmath/Fitting.h

34 lines
1.1 KiB
C++

// This code is in the public domain -- Ignacio Castaño <castano@gmail.com>
#pragma once
#ifndef NV_MATH_FITTING_H
#define NV_MATH_FITTING_H
#include "nvmath.h"
namespace nv
{
class Vector3;
class Plane;
namespace Fit
{
Vector3 computeCentroid(int n, const Vector3 * points);
Vector3 computeCentroid(int n, const Vector3 * points, const float * weights, const Vector3 & metric);
Vector3 computeCovariance(int n, const Vector3 * points, float * covariance);
Vector3 computeCovariance(int n, const Vector3 * points, const float * weights, const Vector3 & metric, float * covariance);
Vector3 computePrincipalComponent(int n, const Vector3 * points);
Vector3 computePrincipalComponent(int n, const Vector3 * points, const float * weights, const Vector3 & metric);
Plane bestPlane(int n, const Vector3 * points);
// Returns number of clusters [1-4].
int compute4Means(int n, const Vector3 * points, const float * weights, const Vector3 & metric, Vector3 * cluster);
}
} // nv namespace
#endif // NV_MATH_FITTING_H