src/taesooLib/BaseLib/math/vectorn.cpp
m_real	vectorn::angle(vectorn const& b) const 
{
	vectorn const& a=*this;
	return (m_real)(ACOS(a.cosTheta(b)));
}
// calc angle between 0 to pi
calc angle between 0 to pi
calc angle between 0 to pi
m_real	vectorn::angle(vectorn const& b) const 
{
	vectorn const& a=*this;
	return (m_real)(ACOS(a.cosTheta(b)));
}
m_real vectorn :: angle ( vectorn const & b ) const { vectorn const & a = * this ; return ( m_real ) ( ACOS ( a . cosTheta ( b ) ) ) ; }
calc angle between 0 to pi
calc angle between 0 to pi