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base: Add const to intmath and be more flexible with typing

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This patch ensures the functions can be used on const variables.
This commit is contained in:
Andreas Hansson 2014-08-26 10:14:32 -04:00
parent 2e17d83629
commit 6fa8015b7f
1 changed files with 10 additions and 10 deletions
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20
src/base/intmath.hh
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@ -42,7 +42,7 @@ int prevPrime(int n);
// Determine if a number is prime
template <class T>
inline bool
isPrime(T n)
isPrime(const T& n)
{
T i;
@ -63,14 +63,14 @@ isPrime(T n)
template <class T>
inline T
leastSigBit(T n)
leastSigBit(const T& n)
{
return n & ~(n - 1);
}
template <class T>
inline bool
isPowerOf2(T n)
isPowerOf2(const T& n)
{
return n != 0 && leastSigBit(n) == n;
}
@ -171,7 +171,7 @@ floorLog2(long long x)
template <class T>
inline int
ceilLog2(T n)
ceilLog2(const T& n)
{
if (n == 1)
return 0;
@ -181,14 +181,14 @@ ceilLog2(T n)
template <class T>
inline T
floorPow2(T n)
floorPow2(const T& n)
{
return (T)1 << floorLog2(n);
}
template <class T>
inline T
ceilPow2(T n)
ceilPow2(const T& n)
{
return (T)1 << ceilLog2(n);
}
@ -200,17 +200,17 @@ divCeil(const T& a, const U& b)
return (a + b - 1) / b;
}
template <class T>
template <class T, class U>
inline T
roundUp(T val, int align)
roundUp(const T& val, const U& align)
{
T mask = (T)align - 1;
return (val + mask) & ~mask;
}
template <class T>
template <class T, class U>
inline T
roundDown(T val, int align)
roundDown(const T& val, const U& align)
{
T mask = (T)align - 1;
return val & ~mask;