37 lines
893 B
C
37 lines
893 B
C
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#ifndef __EXPR_H
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#define __EXPR_H
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class Expr;
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class Expr {
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public:
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// A parameter, by the hParam handle
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static const int PARAM = 0;
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// A parameter, by a pointer straight in to the param table (faster,
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// if we know that the param table won't move around)
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static const int PARAM_PTR = 1;
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static const int CONSTANT = 10;
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static const int PLUS = 21;
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static const int MINUS = 22;
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static const int TIMES = 23;
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static const int DIV = 24;
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static const int NEGATE = 25;
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static const int SQRT = 26;
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static const int SQUARE = 27;
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static const int SIN = 28;
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static const int COS = 29;
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int op;
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Expr *a;
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Expr *b;
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union {
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hParam parh;
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double *parp;
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double v;
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} x;
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};
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#endif
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