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/* RCSid: $Id: mx3.h,v 2.5 2003/07/14 22:24:00 schorsch Exp $ */
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#ifndef _RAD_MX3_H_
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#define _RAD_MX3_H_
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#include <string.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define mx3_copy(a, b) memcpy(b, a, 3*3*sizeof(double))
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/* FLOAT VERSIONS */
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extern float mx3f_adjoint(/* a, b */);
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extern void mx3f_mul(/* a, b, c */);
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extern void mx3f_print(/* str, a */);
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extern void mx3f_translate_mat(/* tx, ty, a */);
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extern void mx3f_translate(/* a, tx, ty */);
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extern void mx3f_scale_mat(/* sx, sy, a */);
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extern void mx3f_scale(/* a, sx, sy */);
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extern void mx3f_transform(/* p, a, q */);
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extern float mx3f_transform_div(/* p, a, q */);
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#define mx3f_copy(a, b) memcpy(b, a, 3*3*sizeof(float))
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/* DOUBLE VERSIONS */
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extern double mx3d_adjoint(double a[3][3], double b[3][3]);
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extern void mx3d_mul(double a[3][3], double b[3][3], double c[3][3]);
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extern void mx3d_print(/* str, a */); /* XXX doesn't exist */
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extern void mx3d_translate_mat(double tx, double ty, double m[3][3]);
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extern void mx3d_translate(double m[3][3], double tx, double ty);
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extern void mx3d_scale_mat(double sx, double sy, double m[3][3]);
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extern void mx3d_scale(double m[3][3], double sx, double sy);
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extern void mx3d_transform(double p[3], double a[3][3], double q[3]);
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extern double mx3d_transform_div(double p[3], double a[3][3], double q[2]);
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#define mx3d_copy(a, b) memcpy(b, a, 3*3*sizeof(double))
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#ifdef __cplusplus
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}
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#endif
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#endif /* _RAD_MX3_H_ */
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