dust3d/third_party/libigl/include/igl/signed_angle.h

28 lines
698 B
C++

#ifndef IGL_SIGNED_ANGLE_H
#define IGL_SIGNED_ANGLE_H
#include "igl_inline.h"
#include <Eigen/Dense>
namespace igl
{
// Compute the signed angle subtended by the oriented 3d triangle (A,B,C) at some point P
//
// Inputs:
// A 2D position of corner
// B 2D position of corner
// P 2D position of query point
// returns signed angle
template <
typename DerivedA,
typename DerivedB,
typename DerivedP>
IGL_INLINE typename DerivedA::Scalar signed_angle(
const Eigen::MatrixBase<DerivedA> & A,
const Eigen::MatrixBase<DerivedB> & B,
const Eigen::MatrixBase<DerivedP> & P);
}
#ifndef IGL_STATIC_LIBRARY
# include "signed_angle.cpp"
#endif
#endif