Add Array/BitArray tests and fix some detected problems

This commit is contained in:
Wojciech Figat
2022-08-19 11:18:48 +02:00
parent ed7cc96889
commit bf30d7cd29
4 changed files with 185 additions and 41 deletions

View File

@@ -13,7 +13,6 @@
class FLAXENGINE_API RandomStream
{
private:
/// <summary>
/// Holds the initial seed.
/// </summary>
@@ -25,7 +24,6 @@ private:
mutable int32 _seed;
public:
/// <summary>
/// Init
/// </summary>
@@ -46,22 +44,18 @@ public:
}
public:
/// <summary>
/// Gets initial seed value
/// </summary>
/// <returns>Initial seed.</returns>
int32 GetInitialSeed() const
{
return _initialSeed;
}
public:
/// <summary>
/// Gets the current seed.
/// </summary>
/// <returns>Current seed value.</returns>
int32 GetCurrentSeed() const
{
return _seed;
@@ -94,11 +88,18 @@ public:
}
public:
/// <summary>
/// Returns a random number between 0 and MAXUINT.
/// Returns a random boolean.
/// </summary>
bool GetBool() const
{
MutateSeed();
return *(uint32*)&_seed < (MAX_uint32 / 2);
}
/// <summary>
/// Returns a random number between 0 and MAX_uint32.
/// </summary>
/// <returns>Random number.</returns>
uint32 GetUnsignedInt() const
{
MutateSeed();
@@ -108,7 +109,6 @@ public:
/// <summary>
/// Returns a random number between 0 and 1.
/// </summary>
/// <returns>Random number.</returns>
float GetFraction() const
{
MutateSeed();
@@ -121,7 +121,6 @@ public:
/// <summary>
/// Returns a random number between 0 and 1.
/// </summary>
/// <returns>Random number.</returns>
FORCE_INLINE float Rand() const
{
return GetFraction();
@@ -130,7 +129,6 @@ public:
/// <summary>
/// Returns a random vector of unit size.
/// </summary>
/// <returns>Random unit length vector</returns>
Float3 GetUnitVector() const
{
Float3 result;
@@ -144,11 +142,10 @@ public:
} while (l > 1.0f || l < ZeroTolerance);
return Float3::Normalize(result);
}
/// <summary>
/// Gets a random <see cref="Vector3"/> with components in a range between [0;1].
/// </summary>
/// <returns>A random <see cref="Vector3"/>.</returns>
Vector3 GetVector3() const
{
return Vector3(GetFraction(), GetFraction(), GetFraction());
@@ -157,11 +154,11 @@ public:
/// <summary>
/// Helper function for rand implementations.
/// </summary>
/// <param name="A">Top border</param>
/// <param name="a">Top border</param>
/// <returns>A random number in [0..A)</returns>
FORCE_INLINE int32 RandHelper(int32 A) const
FORCE_INLINE int32 RandHelper(int32 a) const
{
return A > 0 ? Math::TruncToInt(GetFraction() * ((float)A - ZeroTolerance)) : 0;
return a > 0 ? Math::TruncToInt(GetFraction() * ((float)a - ZeroTolerance)) : 0;
}
/// <summary>
@@ -188,7 +185,6 @@ public:
}
protected:
/// <summary>
/// Mutates the current seed into the next seed.
/// </summary>