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#include "threeDplot.h"
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#include "threeDplot.h"
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- 
 
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static void
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static void calculate_angles(double *x, double *y, double *z,
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calculate_angles(double *x, double *y, double *z,
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			     double *ls, double *misc,
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		 double *ls, double *misc,
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			     double distance)
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		 double distance)
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{
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{
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    double x1, x2, y1, y2, z1, z2, len;
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    double x1, x2, y1, y2, z1, z2, len;
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    double xl, yl, zl, xe, ye, ze; /* light source and eye  */
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    double xl, yl, zl, xe, ye, ze; /* light source and eye  */
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    double xn, yn, zn, xr, yr, zr; /* normal and reflected ray */
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    double xn, yn, zn, xr, yr, zr; /* normal and reflected ray */