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quat_slerp(3)			Allegro	manual			 quat_slerp(3)

NAME
       quat_slerp  -  Version  of quat_interpolate() allowing control over the
       rotation. Allegro game programming library.

SYNOPSIS
       #include	<allegro.h>

       void quat_slerp(const QUAT *from, const QUAT *to, float t,  QUAT	 *out,
       int how);

DESCRIPTION
       The  same  as  quat_interpolate(), but allows more control over how the
       rotation	is done. The how parameter can be any one of the values:

	  QUAT_SHORT  -	like quat_interpolate(), use shortest path
	  QUAT_LONG   -	rotation will be greater than 180 degrees
	  QUAT_CW     -	rotate clockwise when viewed from above
	  QUAT_CCW    -	rotate counterclockwise	when viewed from above
	  QUAT_USER   -	the quaternions	are interpolated exactly as
			given

Allegro				 version 4.4.3			 quat_slerp(3)

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