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hex/bin/dec conversions

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zeroflag 2023-12-02 23:39:49 +01:00
parent 40e8a28595
commit 330f2d7f53
1 changed files with 25 additions and 11 deletions
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36
src/main/java/com/vectron/fcl/types/Num.java
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@ -1,16 +1,15 @@
package com.vectron.fcl.types; package com.vectron.fcl.types;
import static com.vectron.fcl.Fcl.STRICT;
import com.vectron.fcl.exceptions.NotUnderstood; import com.vectron.fcl.exceptions.NotUnderstood;
import com.vectron.fcl.exceptions.TypeMismatched; import com.vectron.fcl.exceptions.TypeMismatched;
import java.text.DecimalFormat; import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols; import java.text.DecimalFormatSymbols;
import java.util.Iterator;
import java.util.Locale; import java.util.Locale;
import java.util.Objects; import java.util.Objects;
import static com.vectron.fcl.Fcl.STRICT;
public class Num implements Obj, LogicOperand, ArithmeticOperand { public class Num implements Obj, LogicOperand, ArithmeticOperand {
public static final Num ZERO = new Num(0); public static final Num ZERO = new Num(0);
public static final Num ONE = new Num(1); public static final Num ONE = new Num(1);
@ -61,10 +60,26 @@ public class Num implements Obj, LogicOperand, ArithmeticOperand {
return value.toString(); return value.toString();
} }
public String display() { public String display(int radix) {
return value instanceof Long || value instanceof Double if (value instanceof Long || value instanceof Double) {
? format.format(value) switch (radix) {
: value.toString(); case 16:
return value instanceof Long || approximatelyLong()
? String.format("0x%04X", longValue())
: format.format(value);
case 2:
return value instanceof Long || approximatelyLong()
? String.format("%8sb", Long.toBinaryString(longValue())).replace(' ', '0')
: format.format(value);
default:
return format.format(value);
}
}
return value.toString();
}
private boolean approximatelyLong() {
return Math.abs(longValue() - doubleValue()) < 0.001;
} }
@Override @Override
@ -141,9 +156,8 @@ public class Num implements Obj, LogicOperand, ArithmeticOperand {
return new Num(Math.pow(doubleValue(), other.doubleValue())); return new Num(Math.pow(doubleValue(), other.doubleValue()));
} else if (other.iterable().boolValue()) { } else if (other.iterable().boolValue()) {
Lst result = Lst.empty(); Lst result = Lst.empty();
Iterator<Obj> it = ((Iterable)other).iterator(); for (Obj obj : (Iterable<Obj>) other)
while (it.hasNext()) result.append(this.pow(obj));
result.append(this.pow(it.next()));
return result; return result;
} else if (STRICT) { } else if (STRICT) {
throw new TypeMismatched("pow", this, other); throw new TypeMismatched("pow", this, other);
@ -252,7 +266,7 @@ public class Num implements Obj, LogicOperand, ArithmeticOperand {
if (STRICT) if (STRICT)
throw new TypeMismatched(this, "bool"); throw new TypeMismatched(this, "bool");
else else
return value.longValue() != 0l; return value.longValue() != 0L;
} }
@Override @Override