in poi/src/main/java/org/apache/poi/sl/draw/geom/GuideIf.java [46:118]
default double evaluateGuide(Context ctx) {
Op op;
String[] operands = WHITESPACE.split(getFmla());
switch (operands[0]) {
case "*/": op = Op.muldiv; break;
case "+-": op = Op.addsub; break;
case "+/": op = Op.adddiv; break;
case "?:": op = Op.ifelse; break;
default: op = Op.valueOf(operands[0]); break;
}
double x = (operands.length > 1) ? ctx.getValue(operands[1]) : 0;
double y = (operands.length > 2) ? ctx.getValue(operands[2]) : 0;
double z = (operands.length > 3) ? ctx.getValue(operands[3]) : 0;
switch (op) {
case abs:
// Absolute Value Formula
return abs(x);
case adddiv:
// Add Divide Formula
return (z == 0) ? 0 : (x + y) / z;
case addsub:
// Add Subtract Formula
return (x + y) - z;
case at2:
// ArcTan Formula: "at2 x y" = arctan( y / z ) = value of this guide
return toDegrees(atan2(y, x)) * OOXML_DEGREE;
case cos:
// Cosine Formula: "cos x y" = (x * cos( y )) = value of this guide
return x * cos(toRadians(y / OOXML_DEGREE));
case cat2:
// Cosine ArcTan Formula: "cat2 x y z" = (x * cos(arctan(z / y) )) = value of this guide
return x * cos(atan2(z, y));
case ifelse:
// If Else Formula: "?: x y z" = if (x > 0), then y = value of this guide,
// else z = value of this guide
return x > 0 ? y : z;
case val:
// Literal Value Expression
return x;
case max:
// Maximum Value Formula
return max(x, y);
case min:
// Minimum Value Formula
return min(x, y);
case mod:
// Modulo Formula: "mod x y z" = sqrt(x^2 + b^2 + c^2) = value of this guide
return sqrt(x*x + y*y + z*z);
case muldiv:
// Multiply Divide Formula
return (z == 0) ? 0 : (x * y) / z;
case pin:
// Pin To Formula: "pin x y z" = if (y < x), then x = value of this guide
// else if (y > z), then z = value of this guide
// else y = value of this guide
return max(x, min(y, z));
case sat2:
// Sine ArcTan Formula: "sat2 x y z" = (x*sin(arctan(z / y))) = value of this guide
return x * sin(atan2(z, y));
case sin:
// Sine Formula: "sin x y" = (x * sin( y )) = value of this guide
return x * sin(toRadians(y / OOXML_DEGREE));
case sqrt:
// Square Root Formula: "sqrt x" = sqrt(x) = value of this guide
return sqrt(x);
case tan:
// Tangent Formula: "tan x y" = (x * tan( y )) = value of this guide
return x * tan(toRadians(y / OOXML_DEGREE));
default:
return 0;
}
}