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/* | 
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**      Author: Christian Reetz ([email protected]) | 
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*/ | 
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#ifndef __G3AFFINE_H | 
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#define __G3AFFINE_H | 
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#ifdef __cplusplus | 
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extern "C" { | 
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#endif | 
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#include "g3vector.h" | 
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#ifdef GL_CONVERSIONS | 
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#include "GL/gl.h" | 
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#endif | 
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typedef g3Float         g3AVec[4]; | 
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typedef g3Float         g3ATrans[4][4]; | 
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void    g3av_copy(g3AVec res,g3AVec v); | 
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void    g3at_tounit(g3ATrans t); | 
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void    g3av_vectohom(g3AVec res,g3Vec v); | 
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void    g3av_homtovec(g3Vec res,g3AVec h); | 
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int             g3av_tonorm(g3AVec v); | 
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#ifdef GL_CONVERSIONS | 
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void    g3at_get_openGL(g3ATrans t,GLdouble* glm); | 
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void    g3at_from_openGL(g3ATrans t,GLdouble* glm); | 
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#endif | 
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void    g3at_copy(g3ATrans t,g3ATrans tsrc); | 
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void    g3at_print(g3ATrans t,FILE* outf); | 
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void    g3at_comb(g3ATrans t,g3ATrans tf); | 
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void    g3at_comb_to(g3ATrans res,g3ATrans t,g3ATrans tf); | 
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void    g3at_translate(g3ATrans t,g3Vec tv); | 
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void    g3at_add_trans(g3ATrans t,g3Vec tv); | 
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void    g3at_prepend_trans(g3ATrans t,g3Vec tv); | 
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void    g3at_rotate(g3ATrans t,g3Vec rnorm,g3Float ang); | 
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void    g3at_add_rot(g3ATrans t,g3Vec rnorm,g3Float ang); | 
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void    g3at_prepend_rot(g3ATrans t,g3Vec rnorm,g3Float ang); | 
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void    g3at_btrans(g3ATrans t,g3Vec xv,g3Vec yv,g3Vec zv); | 
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int             g3at_sph_ctrans(g3ATrans t,g3Vec vdir,g3Vec vup); | 
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int             g3at_ctrans(g3ATrans t,g3Vec vdir,g3Vec vup); | 
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int             g3at_inverse(g3ATrans t); | 
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void    g3at_apply_h(g3ATrans t,g3AVec v); | 
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void    g3at_iapply_h(g3Vec v,g3ATrans t); | 
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void    g3at_apply(g3ATrans t,g3Vec v); | 
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void    g3at_iapply(g3Vec v,g3ATrans t); | 
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#ifdef __cplusplus | 
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} | 
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#endif | 
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#endif |