random_utilities.h File Reference

#include "pch.h"

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Namespaces
namespace	opennn

Functions
void	opennn::set_seed (unsigned seed)
	Seeds the library-wide pseudo-random number generator.
long long	opennn::get_seed ()
	Returns the seed currently used by the library RNG.
float	opennn::random_uniform (float=-1, float=1)
	Draws a float uniformly in [min, max].
Index	opennn::random_integer (Index, Index)
	Draws an integer uniformly in [min, max].
bool	opennn::random_bool (float=0.5)
	Draws a boolean that is true with the given probability.
void	opennn::set_random_uniform (MatrixR &, float=-0.1, float=0.1)
	Fills the matrix with uniform random values in [min, max].
void	opennn::set_random_uniform (VectorMap, float=-0.1, float=0.1)
	Fills the vector map with uniform random values in [min, max].
void	opennn::set_random_normal (MatrixMap, float=0, float=1)
	Fills the matrix with normal random values of the given mean and standard deviation.
void	opennn::set_random_integer (MatrixR &, Index, Index)
	Fills the matrix with uniform random integers in [min, max].
void	opennn::shuffle (VectorB &vector_to_shuffle)
	Randomly permutes the entries of a boolean vector in place.
template<typename T>
void	opennn::shuffle_vector (vector< T > &)
	Randomly permutes the entries of the given vector in place.
void	opennn::shuffle_vector_blocks (vector< Index > &, size_t=20)
	Shuffles contiguous blocks of the given length while preserving in-block order.
Index	opennn::get_random_element (const vector< Index > &)
	Picks one element uniformly at random from the given vector.
float	opennn::glorot_limit (Index fan_in, Index fan_out)
	Returns the Glorot/Xavier uniform initialization limit sqrt(6 / (fan_in + fan_out)).