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annotate src/ln.h @ 265:f9169495d476

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order log calc
author tobaru
date Sun, 26 Jan 2020 18:20:40 +0900
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265
f9169495d476 order log calc
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1 static inline int ln(int sz) {
f9169495d476 order log calc
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2 int j = 1 << 6;
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3 for (int i = 6; i < 12; i++) {
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4 if (sz < j) return i;
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5 j <<= 1;
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6 }
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7 return 12;
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8 }
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