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mirror of https://github.com/DanilaFe/abacus synced 2024-11-05 02:09:53 -08:00

Remember to use floor in the angle reduction function. Comment debugging output.

This commit is contained in:
Arthur Drobot 2017-08-02 13:27:39 -07:00
parent 601c4fea55
commit 27ad10c0f1

View File

@ -293,13 +293,14 @@ public class StandardPlugin extends Plugin {
NumberInterface pi = getPi(params[0].getClass()); NumberInterface pi = getPi(params[0].getClass());
NumberInterface twoPi = pi.multiply(new NaiveNumber(2).promoteTo(pi.getClass())); NumberInterface twoPi = pi.multiply(new NaiveNumber(2).promoteTo(pi.getClass()));
NumberInterface theta = getSmallAngle(params[0]); NumberInterface theta = getSmallAngle(params[0]);
//System.out.println(theta);
if(theta.compareTo(pi.multiply(new NaiveNumber(1.5).promoteTo(twoPi.getClass()))) >= 0){ if(theta.compareTo(pi.multiply(new NaiveNumber(1.5).promoteTo(twoPi.getClass()))) >= 0){
theta = theta.subtract(twoPi); theta = theta.subtract(twoPi);
} }
else if(theta.compareTo(pi.divide(new NaiveNumber(2).promoteTo(pi.getClass()))) > 0){ else if(theta.compareTo(pi.divide(new NaiveNumber(2).promoteTo(pi.getClass()))) > 0){
theta = pi.subtract(theta); theta = pi.subtract(theta);
} }
System.out.println(theta); //System.out.println(theta);
return sinTaylor(theta); return sinTaylor(theta);
} }
}; };
@ -434,7 +435,7 @@ public class StandardPlugin extends Plugin {
private static NumberInterface getSmallAngle(NumberInterface phi){ private static NumberInterface getSmallAngle(NumberInterface phi){
NumberInterface twoPi = getPi(phi.getClass()).multiply(new NaiveNumber("2").promoteTo(phi.getClass())); NumberInterface twoPi = getPi(phi.getClass()).multiply(new NaiveNumber("2").promoteTo(phi.getClass()));
NumberInterface theta = FUNCTION_ABS.apply(phi).subtract(twoPi NumberInterface theta = FUNCTION_ABS.apply(phi).subtract(twoPi
.multiply(FUNCTION_ABS.apply(phi).divide(twoPi))); //Now theta is in [0, 2pi). .multiply(FUNCTION_ABS.apply(phi).divide(twoPi).floor())); //Now theta is in [0, 2pi).
if(phi.signum() < 0){ if(phi.signum() < 0){
theta = twoPi.subtract(theta); theta = twoPi.subtract(theta);
} }