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/* Copyright (c) 1992 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* cone.c - routines for making cones |
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* |
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* 2/12/86 |
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*/ |
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#include "copyright.h" |
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#include "standard.h" |
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#include "object.h" |
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register OBJREC *o; |
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int getxf; |
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{ |
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extern double sqrt(); |
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int sgn0, sgn1; |
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register CONE *co; |
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objerror(o, USER, "bad # arguments"); |
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raderr: |
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objerror(o, USER, "illegal radii"); |
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return NULL; /* pro forma return */ |
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} |
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void |
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freecone(o) /* free memory associated with cone */ |
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OBJREC *o; |
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{ |
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register CONE *co = (CONE *)o->os; |
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if (o->os == NULL) |
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if (co == NULL) |
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return; |
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if (co->tm != NULL) |
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free((char *)co->tm); |
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free(o->os); |
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free((void *)co->tm); |
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free((void *)co); |
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o->os = NULL; |
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} |
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void |
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conexform(co) /* get cone transformation matrix */ |
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register CONE *co; |
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{ |
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extern double sqrt(); |
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MAT4 m4; |
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register double d; |
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register int i; |
