DanilaFe/Abacus
1
0
Fork 0
mirror of https://github.com/DanilaFe/abacus synced 2024-11-17 16:09:32 -08:00
Code Issues Releases Wiki Activity

Optimize pow for integer bases.

Browse Source
This commit is contained in:
Arthur Drobot 2017-08-07 13:43:12 -07:00
parent c636289d3c
commit d916772ddb
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/main/java/org/nwapw/abacus/plugin/StandardPlugin.java
View File

@ -349,6 +349,13 @@ public class StandardPlugin extends Plugin {
return NaiveNumber.ZERO.promoteTo(params[0].getClass()); return NaiveNumber.ZERO.promoteTo(params[0].getClass());
else if (params[1].compareTo(NaiveNumber.ZERO.promoteTo(params[0].getClass())) == 0) else if (params[1].compareTo(NaiveNumber.ZERO.promoteTo(params[0].getClass())) == 0)
return NaiveNumber.ONE.promoteTo(params[1].getClass()); return NaiveNumber.ONE.promoteTo(params[1].getClass());
//Detect integer bases:
if(params[0].fractionalPart().compareTo(fromInt(params[0].getClass(), 0)) == 0
&& FUNCTION_ABS.apply(params[0]).compareTo(fromInt(params[0].getClass(), Integer.MAX_VALUE)) < 0
&& FUNCTION_ABS.apply(params[1]).compareTo(fromInt(params[1].getClass(), 1)) >= 0){
NumberInterface[] newParams = {params[0], params[1].fractionalPart()};
return params[0].intPow(params[1].floor().intValue()).multiply(applyInternal(newParams));
}
return FUNCTION_EXP.apply(FUNCTION_LN.apply(FUNCTION_ABS.apply(params[0])).multiply(params[1])); return FUNCTION_EXP.apply(FUNCTION_LN.apply(FUNCTION_ABS.apply(params[0])).multiply(params[1]));
} }
}); });