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