IceRandom.h File Reference

Go to the source code of this file.

Classes
class	BasicRandom

Functions
ICECORE_API void	SRand (udword seed)
udword	Rand ()
inline_ float	UnitRandomFloat ()
	Returns a unit random floating-point value. More...
ICECORE_API udword	GetRandomIndex (udword max_index)
	Returns a random index so that 0<= index < max_index. More...

Detailed Description

Contains code for random generators.

Author

Pierre Terdiman

Date

August, 9, 2001

Definition in file IceRandom.h.

Function Documentation

ICECORE_API udword GetRandomIndex

(

udword

max_index)

Returns a random index so that 0<= index < max_index.

Definition at line 30 of file IceRandom.cpp.

References gRandomGenerator, and BasicRandom::Randomize().

{
    // We don't use rand() since it's limited to RAND_MAX
    udword Index = gRandomGenerator.Randomize();
    return Index % max_index;
}

udword Rand

(

)

Definition at line 22 of file IceRandom.cpp.

Referenced by UnitRandomFloat().

{
    return rand();
}

ICECORE_API void SRand

(

udword

seed)

Definition at line 17 of file IceRandom.cpp.

{
    srand(seed);
}

inline_ float UnitRandomFloat

(

)

Returns a unit random floating-point value.

Definition at line 19 of file IceRandom.h.

References float, ONE_OVER_RAND_MAX, and Rand().

{ return float(Rand()) * ONE_OVER_RAND_MAX; }