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 *  Code for Relation Expressions (i.e. ... ==, !=, ...)
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 *  Code for Relation Expressions (i.e. ... ==, !=, ...)
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 *
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 *
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 */
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 */
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				/* Binary Relationships */
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				/* Binary Relationships */
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static
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SymTab RelTable[] = {
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SymTab RelTable[] = {
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    { "<",		 60 },	/* less */
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    { "<",		 60 },	/* less */
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    { "==",		 61 },	/* equal */
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    { "==",		 61 },	/* equal */
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    { ">",		 62 },	/* greater */
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    { ">",		 62 },	/* greater */
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    { "%=~%",		 64 },	/* congruent */
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    { "%=~%",		 64 },	/* congruent */
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}
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}
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/* Calculate width of expression */
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/* Calculate width of expression */
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/* BBOXes are in INCHES (see MetricUnit) */
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/* BBOXes are in INCHES (see MetricUnit) */
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- 
 
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static
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void GExpressionBBox(SEXP expr, int units, double *width,
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void GExpressionBBox(SEXP expr, int units, double *width,
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		     double *height, double *depth, DevDesc *dd)
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		     double *height, double *depth, DevDesc *dd)
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{
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{
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    BBOX bbox;
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    BBOX bbox;
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    MathDevice = dd;
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    MathDevice = dd;