Sphere3d.h

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// Sphere3d.h:
// -----------
//

#ifndef __IPSDKMATH_SPHERE3D_H__
#define __IPSDKMATH_SPHERE3D_H__

#include <IPSDKMath/IPSDKMathExports.h>
#include <IPSDKMath/Constants.h>
#include <IPSDKUtil/Tools/ForceInline.h>

namespace ipsdk {
namespace math {


IPSDKMATH_API bool
sphereFromPoints(const ipReal64 x0, const ipReal64 y0, const ipReal64 z0,
                 const ipReal64 x1, const ipReal64 y1, const ipReal64 z1,
                 const ipReal64 x2, const ipReal64 y2, const ipReal64 z2,
                 const ipReal64 x3, const ipReal64 y3, const ipReal64 z3,
                 ipReal64& xc, ipReal64& yc, ipReal64& zc, ipReal64& radius);

IPSDKMATH_API bool
sphereFromPoints(const ipReal64 x0, const ipReal64 y0, const ipReal64 z0,
                 const ipReal64 x1, const ipReal64 y1, const ipReal64 z1,
                 const ipReal64 x2, const ipReal64 y2, const ipReal64 z2,
                 ipReal64& xc, ipReal64& yc, ipReal64& zc, ipReal64& radius);

IPSDK_FORCEINLINE ipReal64
sphereArea(const ipReal64 radius)
{
    return 4 * M_PI * radius * radius; 
}

IPSDK_FORCEINLINE ipReal64
sphereVolume(const ipReal64 radius)
{
    return (4 * M_PI / 3) * radius * radius * radius; 
}


} // end of namespace math
} // end of namespace ipsdk

#endif // __IPSDKMATH_SPHERE3D_H__