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put using eo::rng in top of file to help out gcc 2.91

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maartenkeijzer 2001-02-27 11:45:31 +00:00
commit 00c7a10cb0
1 changed files with 7 additions and 5 deletions
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12
eo/src/utils/eoRndGenerators.h
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@ -33,6 +33,8 @@
#include <eoFunctor.h>
#include <stdexcept>
using eo::rng;
/**
By popular demand re-introducing a base class for a family of
random number generators. Derived members of this class are useful
@ -66,9 +68,9 @@ template <class T = double> class eoUniformGenerator : public eoRndGenerator<T>
// added new ctor with 2 params, and modified the data to minim and range
// (was maxim only). MS 3/11/2000
public :
eoUniformGenerator(T _max = T(1.0), eoRng& _rng = eo::rng) :
eoUniformGenerator(T _max = T(1.0), eoRng& _rng = rng) :
minim(T(0.0)), range(_max), uniform(_rng) {}
eoUniformGenerator(T _min, T _max, eoRng& _rng = eo::rng) :
eoUniformGenerator(T _min, T _max, eoRng& _rng = rng) :
minim(_min), range(_max-_min), uniform(_rng)
{
if (_min>_max)
@ -102,7 +104,7 @@ bool eoUniformGenerator<bool>::operator()(void)
class eoBooleanGenerator : public eoRndGenerator<bool>
{
public :
eoBooleanGenerator(float _bias = 0.5, eoRng& _rng = eo::rng) : bias(_bias), gen(_rng) {}
eoBooleanGenerator(float _bias = 0.5, eoRng& _rng = rng) : bias(_bias), gen(_rng) {}
bool operator()(void) { return gen.flip(bias); }
private :
@ -118,7 +120,7 @@ class eoBooleanGenerator : public eoRndGenerator<bool>
template <class T = double> class eoNormalGenerator : public eoRndGenerator<T>
{
public :
eoNormalGenerator(T _stdev = T(1.0), eoRng& _rng = eo::rng) : stdev(_stdev), normal(_rng) {}
eoNormalGenerator(T _stdev = T(1.0), eoRng& _rng = rng) : stdev(_stdev), normal(_rng) {}
T operator()(void) { return (T) normal.normal(stdev); }
@ -135,7 +137,7 @@ template <class T = double> class eoNormalGenerator : public eoRndGenerator<T>
template <class T = double> class eoNegExpGenerator : public eoRndGenerator<T>
{
public :
eoNegExpGenerator(T _mean = 1.0, eoRng& _rng = eo::rng) : mean(_mean), negexp(_rng) {}
eoNegExpGenerator(T _mean = 1.0, eoRng& _rng = rng) : mean(_mean), negexp(_rng) {}
T operator()(void) { return (T) negexp.negexp(mean); }