HDK: UT/UT_EllipticIntegral.h Source File

00001 /*
00002  * PROPRIETARY INFORMATION.  This software is proprietary to
00003  * Side Effects Software Inc., and is not to be reproduced,
00004  * transmitted, or disclosed in any way without written permission.
00005  *
00006  * Produced by:
00007  *      Jeff Lait
00008  *      Side Effects Software Inc
00009  *      477 Richmond Street West
00010  *      Toronto, Ontario
00011  *      Canada   M5V 3E7
00012  *      416-504-9876
00013  *
00014  * NAME:        UT_EllipticIntegral.h ( UT Library, C++)
00015  *
00016  * COMMENTS:
00017  *              Performs elliptical integrals of various types.
00018  */
00019 
00020 #ifndef __UT_EllipticIntegral__
00021 #define __UT_EllipticIntegral__
00022 
00023 #include "UT_API.h"
00024 #include <SYS/SYS_Types.h>
00025 
00026 // Find the perimeter of the ellipse of the specified axes.
00027 UT_API fpreal
00028 UTellipsePerimeter(fpreal a, fpreal b);
00029 
00030 // Find the surface area of a sphereoid with axes a, b, and c.
00031 // iter is the number of samples to take for the integration.
00032 // As a closed form solution is currently used, it is unnecessary.
00033 UT_API fpreal
00034 UTspheroidArea(fpreal a, fpreal b, fpreal c, int iter=32);
00035 
00036 #endif
00037