b1e8889d96
They are not particularly packaged in Linux distros so we do not facilitate unbundling via SCons. There could be done if/when there is interest. Also s/pnm/pbm/, long-lived typo :)
20 lines
402 B
C++
20 lines
402 B
C++
#pragma once
|
|
|
|
namespace Javelin {
|
|
|
|
class BitUtility {
|
|
public:
|
|
static bool IsPowerOf2(unsigned int x) {
|
|
return (x & (x - 1)) == 0;
|
|
}
|
|
|
|
static unsigned int RotateRight(unsigned int value, unsigned int shift) {
|
|
if ((shift &= sizeof(value) * 8 - 1) == 0) {
|
|
return value;
|
|
}
|
|
return (value >> shift) | (value << (sizeof(value) * 8 - shift));
|
|
}
|
|
};
|
|
|
|
}
|