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March 2014 update

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Ingy döt Net 2014-04-02 16:56:35 +00:00
parent 09687c4926
commit a25938f123
1846 changed files with 21876 additions and 5203 deletions
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12
Task/Vigen-re-cipher-Cryptanalysis/D/vigen-re-cipher-cryptanalysis.d
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@ -9,7 +9,7 @@ string[2] vigenereDecrypt(in double[] targetFreqs, in string input) {
uint[nAlpha] charCounts = 0;
foreach (immutable c; txt)
charCounts[c - 'A']++;
return charCounts[].sort().release().dotProduct(sTargets);
return charCounts[].sort().release.dotProduct(sTargets);
}
static frequency(in string txt) pure nothrow {
@ -65,12 +65,12 @@ string[2] vigenereDecrypt(in double[] targetFreqs, in string input) {
pieces[i % bestLength] ~= c;
string key;
foreach (fr; map!frequency(pieces)) {
fr.sort!q{ a.d > b.d }();
foreach (fr; pieces.map!frequency) {
fr.sort!q{ a.d > b.d };
size_t m;
double maxCorr = 0.0;
foreach (immutable j, immutable c; std.ascii.uppercase) {
foreach (immutable j, immutable c; uppercase) {
double corr = 0.0;
foreach (immutable frc; fr) {
immutable di = (frc.c - c + nAlpha) % nAlpha;
@ -89,10 +89,10 @@ string[2] vigenereDecrypt(in double[] targetFreqs, in string input) {
return key;
}
immutable cleaned = input.toUpper().removechars("^A-Z");
immutable cleaned = input.toUpper.removechars("^A-Z");
//immutable sortedTargets = sorted(targetFreqs);
immutable sortedTargets = targetFreqs.dup.sort().release().idup;
immutable sortedTargets = targetFreqs.dup.sort().release.idup;
immutable bestLength = findBestLength(cleaned, sortedTargets);
if (bestLength == 0)