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Last change
on this file since 608 was
80,
checked in by Sam Hocevar, 15 years ago
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- Adding the Golgotha source code. Not sure what's going to be interesting
in there, but since it's all public domain, there's certainly stuff to
pick up.
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File size:
771 bytes
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| 1 | /********************************************************************** <BR>
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| 2 | This file is part of Crack dot Com's free source code release of
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| 3 | Golgotha. <a href="http://www.crack.com/golgotha_release"> <BR> for
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| 4 | information about compiling & licensing issues visit this URL</a>
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| 5 | <PRE> If that doesn't help, contact Jonathan Clark at
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| 6 | golgotha_source@usa.net (Subject should have "GOLG" in it)
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| 7 | ***********************************************************************/
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| 8 |
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| 9 | #ifndef I4_INT_SQRT
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| 10 | #define I4_INT_SQRT
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| 11 |
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| 12 |
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| 13 | // From Graphics Gems II. p 387
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| 14 |
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| 15 | inline w32 i4_int_sqrt(w32 n)
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| 16 | {
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| 17 | w32 next=n/2, current;
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| 18 | if (n<=1)
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| 19 | return n;
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| 20 | do
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| 21 | {
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| 22 | current=next;
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| 23 | next=(next+n/next)/2;
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| 24 | } while (next<current);
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| 25 | return current;
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| 26 | }
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| 27 |
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| 28 |
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| 29 | #endif
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