sanchayanmaity/gem5
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

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

Browse source 
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
Show stats Download patch file Download diff file Expand all files Collapse all files

20
src/base/intmath.hh
View file

@ -42,7 +42,7 @@ int prevPrime(int n);
// Determine if a number is prime // Determine if a number is prime
template <class T> template <class T>
inline bool inline bool
isPrime(T n) isPrime(const T& n)
{ {
T i; T i;
@ -63,14 +63,14 @@ isPrime(T n)
template <class T> template <class T>
inline T inline T
leastSigBit(T n) leastSigBit(const T& n)
{ {
return n & ~(n - 1); return n & ~(n - 1);
} }
template <class T> template <class T>
inline bool inline bool
isPowerOf2(T n) isPowerOf2(const T& n)
{ {
return n != 0 && leastSigBit(n) == n; return n != 0 && leastSigBit(n) == n;
} }
@ -171,7 +171,7 @@ floorLog2(long long x)
template <class T> template <class T>
inline int inline int
ceilLog2(T n) ceilLog2(const T& n)
{ {
if (n == 1) if (n == 1)
return 0; return 0;
@ -181,14 +181,14 @@ ceilLog2(T n)
template <class T> template <class T>
inline T inline T
floorPow2(T n) floorPow2(const T& n)
{ {
return (T)1 << floorLog2(n); return (T)1 << floorLog2(n);
} }
template <class T> template <class T>
inline T inline T
ceilPow2(T n) ceilPow2(const T& n)
{ {
return (T)1 << ceilLog2(n); return (T)1 << ceilLog2(n);
} }
@ -200,17 +200,17 @@ divCeil(const T& a, const U& b)
return (a + b - 1) / b; return (a + b - 1) / b;
} }
template <class T> template <class T, class U>
inline T inline T
roundUp(T val, int align) roundUp(const T& val, const U& align)
{ {
T mask = (T)align - 1; T mask = (T)align - 1;
return (val + mask) & ~mask; return (val + mask) & ~mask;
} }
template <class T> template <class T, class U>
inline T inline T
roundDown(T val, int align) roundDown(const T& val, const U& align)
{ {
T mask = (T)align - 1; T mask = (T)align - 1;
return val & ~mask; return val & ~mask;