Example Input String for Expression Parser

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/* simple assignment expressions */
a =  7;
b = 23;

/* complex assignment operators */
d = 10, d += b;
e = 11, e *= a;
f = 12, f -= b;
g = 13, g /= a;

/* add to memory, with parenthesized assignment */
h += (1/(c=.05));

LongVariableNamesAreOK = (a+b)/(a-b);

x = h/LongVariableNamesAreOK, y = 1-x;

// Comparison operators
xLTy = x<y;
xLEy = x<=y;
xGTy = x>y;
xGEy = x>=y;
xNEy = x!=y;
xeqy = x==y;

// Conditional expressions are supported
test = !(x < y  && u != v) ? y :
       x >= z ? z : 1 ;

// Standard math functions
u=sin(x), v = cos(y);
theta = atan2(u,v);

//checkInversion
ok = (phi = atan2(sin(theta),cos(theta))) == theta;

// Exponentiation
w = y**x;
q = -c**-2;
z = 23.7*10**-3;

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