chylex/Query
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base: chylex:d52ec8a61529fde833e05d607147c6834e7941af
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chylex:main
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compare: chylex:2b9d5bba8f1277545fc1068ddb8b6e42e304b918
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chylex:main

2 Commits
d52ec8a615 ... 2b9d5bba8f

Author SHA1 Message Date
chylex
2b9d5bba8f
Preserve rational number arithmetic for roots of perfect powers 2025-07-02 21:15:15 +02:00
chylex
8380aaa9f8
Reformat code 2025-07-02 21:01:32 +02:00
21 changed files with 356 additions and 342 deletions
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18
Calculator/Math/Number.cs
View File

@ -36,14 +36,28 @@ public abstract record Number : IAdditionOperators<Number, Number, Number>,
public override Number Pow(Number exponent) {
if (exponent is Rational { Value: {} rationalExponent }) {
Fraction fractionExponent = rationalExponent.GetImproperFraction();
if (fractionExponent.Denominator == 1 && fractionExponent.Numerator >= 0) {
if (fractionExponent.Numerator >= 0 && fractionExponent.Denominator == 1) {
try {
return new Rational(BigRational.Pow(Value, fractionExponent.Numerator));
} catch (OverflowException) {}
}
if (fractionExponent.Numerator == 1 && fractionExponent.Denominator > 1) {
Number result = PowAsDecimal(exponent);
BigRational assumedPerfectPowerRoot = new BigRational(decimal.Floor(result.AsDecimal));
BigRational assumedPerfectPower = BigRational.Pow(assumedPerfectPowerRoot, fractionExponent.Denominator);
return assumedPerfectPower == Value ? assumedPerfectPowerRoot : result;
}
}
return new Decimal(AsDecimal).Pow(exponent);
return PowAsDecimal(exponent);
Number PowAsDecimal(Number number) {
return new Decimal(AsDecimal).Pow(number);
}
}
public override string ToString(IFormatProvider? formatProvider) {

4
Query/Form/MainForm.resx
View File

@ -109,7 +109,7 @@
JP8kJCT/JCQk/yQkJP8kJCT/JCQk/yQkJP8AAABBAAAAQQAAAEEAAABBAAAAQQAAAEEAAABBAAAAQQAA
AEEAAABBAAAAQQAAAEEAAABBAAAAQQAAAEEAAABBAAAAQQAAAEEAAABBAAAAQQAAAEEAAABBAAAAQQAA
AEE=
</value>
</value>
</data>
<data name="$this.Icon" type="System.Drawing.Icon, System.Drawing.Common" mimetype="application/x-microsoft.net.object.bytearray.base64">
<value>
@ -155,6 +155,6 @@
JP8kJCT/JCQk/yQkJP8kJCT/JCQk/yQkJP8AAABBAAAAQQAAAEEAAABBAAAAQQAAAEEAAABBAAAAQQAA
AEEAAABBAAAAQQAAAEEAAABBAAAAQQAAAEEAAABBAAAAQQAAAEEAAABBAAAAQQAAAEEAAABBAAAAQQAA
AEE=
</value>
</value>
</data>
</root>