2012-05-28 03:33:41 +00:00
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#if !defined( INCLUDED_MATH_PI_H )
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#define INCLUDED_MATH_PI_H
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/// \file
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/// \brief Pi constants and degrees/radians conversion.
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const double c_pi = 3.1415926535897932384626433832795;
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const double c_half_pi = c_pi / 2;
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const double c_2pi = 2 * c_pi;
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const double c_inv_2pi = 1 / c_2pi;
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const double c_DEG2RADMULT = c_pi / 180.0;
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const double c_RAD2DEGMULT = 180.0 / c_pi;
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inline double radians_to_degrees( double radians ){
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return radians * c_RAD2DEGMULT;
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}
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inline double degrees_to_radians( double degrees ){
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return degrees * c_DEG2RADMULT;
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}
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#endif
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