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/* Copyright (c) 1997 Silicon Graphics, Inc. */ |
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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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/* SCCSid "$SunId$ SGI" */ |
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#define F_OK 0 /* exists */ |
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#endif |
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#ifndef int2 |
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#define int2 short /* two-byte integer */ |
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#endif |
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#ifndef int4 |
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#define int4 int /* four-byte integer */ |
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#endif |
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extern int eputs(), wputs(); /* standard error output functions */ |
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/* error codes */ |
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extern char errmsg[]; /* global buffer for error messages */ |
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#ifdef FASTMATH |
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#define tcos cos |
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#define tsin sin |
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#define ttan tan |
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#else |
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extern double tcos(); /* table-based cosine approximation */ |
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#define tsin(x) tcos((x)-(PI/2.)) |
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#define ttan(x) (tsin(x)/tcos(x)) |
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#endif |
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/* custom version of assert(3) */ |
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#define CHECK(be,et,em) ((be) ? error(et,em) : 0) |
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#ifdef DEBUG |
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#define DCHECK CHECK |
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#else |
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#define DCHECK(be,et,em) 0 |
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#endif |
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/* memory operations */ |
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#ifdef NOSTRUCTASS |
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#define copystruct(d,s) bcopy((char *)(s),(char *)(d),sizeof(*(d))) |
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#define copystruct(d,s) (*(d) = *(s)) |
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#endif |
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#ifdef BSD |
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#ifdef BSD |
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extern long lseek(); |
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#else |
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#define bcopy(s,d,n) (void)memcpy(d,s,n) |
