Class EDU.emporia.mathtools.Expr 
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Class EDU.emporia.mathtools.Expr 

Object
   |
   +----EDU.emporia.mathtools.Expr
public abstract class Expr
extends Object
A mathematical expression, built out of literal numbers, variables, arithmetic operators, and elementary functions. The operator names are from java.lang.Math.

Version:
1.0
Author:
Darius Bacon, Chuck Pheatt
Since:
7/7/99

Variable Index

o ABS
Unary operator.
o ACOS
Unary operator.
o ADD
Binary operator.
o AND
Binary operator.
o ASIN
Unary operator.
o ATAN
Unary operator.
o CEIL
Unary operator.
o COS
Unary operator.
o DIV
Binary operator.
o EQU
Binary operator.
o EXP
Unary operator.
o FACT
Unary operator.
o FLOOR
Unary operator.
o GEQ
Binary operator.
o GTH
Binary operator.
o LEQ
Binary operator.
o LOG
Unary operator.
o LOG10
Unary operator.
o LTH
Binary operator.
o MOD
Binary operator.
o MUL
Binary operator.
o NEG
Unary minus operator.
o NEQ
Binary operator.
o ORR
Binary operator.
o POW
Binary operator.
o ROUND
Unary operator.
o SIN
Unary operator.
o SQRT
Unary operator.
o SUB
Binary operator.
o TAN
Unary operator.

Constructor Index

o EDU.emporia.mathtools.Expr()

Method Index

o make_app1(int, Expr)
o make_app2(int, Expr, Expr)
o make_literal(double)
o make_var_ref(Variable)
o value()

Variables

o ABS 
public static final int ABS
Unary operator.

o ACOS 
public static final int ACOS
Unary operator.

o ADD 
public static final int ADD
Binary operator.

o AND 
public static final int AND
Binary operator.

o ASIN 
public static final int ASIN
Unary operator.

o ATAN 
public static final int ATAN
Unary operator.

o CEIL 
public static final int CEIL
Unary operator.

o COS 
public static final int COS
Unary operator.

o DIV 
public static final int DIV
Binary operator.

o EQU 
public static final int EQU
Binary operator.

o EXP 
public static final int EXP
Unary operator.

o FACT 
public static final int FACT
Unary operator.

o FLOOR 
public static final int FLOOR
Unary operator.

o GEQ 
public static final int GEQ
Binary operator.

o GTH 
public static final int GTH
Binary operator.

o LEQ 
public static final int LEQ
Binary operator.

o LOG 
public static final int LOG
Unary operator.

o LOG10 
public static final int LOG10
Unary operator.

o LTH 
public static final int LTH
Binary operator.

o MOD 
public static final int MOD
Binary operator.

o MUL 
public static final int MUL
Binary operator.

o NEG 
public static final int NEG
Unary minus operator.

o NEQ 
public static final int NEQ
Binary operator.

o ORR 
public static final int ORR
Binary operator.

o POW 
public static final int POW
Binary operator.

o ROUND 
public static final int ROUND
Unary operator.

o SIN 
public static final int SIN
Unary operator.

o SQRT 
public static final int SQRT
Unary operator.

o SUB 
public static final int SUB
Binary operator.

o TAN 
public static final int TAN
Unary operator.

Constructors

o Expr 
public Expr()

Methods

o make_app1 
public static EDU.emporia.mathtools.Expr make_app1(int rator,
                                                   Expr rand)

Parameters:
rator - unary operator
rand - operand
o make_app2 
public static EDU.emporia.mathtools.Expr make_app2(int rator,
                                                   Expr rand0,
                                                   Expr rand1)

Parameters:
rator - binary operator
rand0 - left operand
rand1 - right operand
o make_literal 
public static EDU.emporia.mathtools.Expr make_literal(double v)
o make_var_ref 
public static EDU.emporia.mathtools.Expr make_var_ref(Variable var)
o value 
public abstract double value()
Returns:
the value given the current variable values 
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