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gcd

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Zeno Rogue 2017-12-14 02:52:00 +01:00
parent e2e0fc2ff8
commit 36998c9a40
1 changed files with 4 additions and 0 deletions
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util.cpp
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@ -27,6 +27,10 @@ string itsh(int i) {static char buf[16]; sprintf(buf, "%03X", i); return buf; }
string itsh2(int i) {static char buf[16]; sprintf(buf, "%02X", i); return buf; }
string itsh8(int i) {static char buf[16]; sprintf(buf, "%08X", i); return buf; }
int gcd(int i, int j) {
return i ? gcd(j%i, i) : j;
}
// debug utilities
extern FILE *debugfile;