utils.hpp File Reference

#include <assert.h>
#include <omp.h>
#include <stdio.h>
#include <chrono>
#include <ctime>
#include <stack>
#include <typeinfo>
#include <vector>
#include "common/utils.h"
#include <cblas.h>

Go to the source code of this file.

Functions
void	tic ()
	start the timer. easy to call as tic(); some code; double t=toc(); More...
double	toc ()
template<class T >
void	fixNumericalError (T *X, const double prec=EPSILON_1EMINUS16)
template<class T >
void	fixDecimalPlaces (T *X, const int places=NUMBEROF_DECIMAL_PLACES)
int	random_sieve (const int nthprime)
template<class T >
void	absmat (T *X)
template<class T >
void	makeSparse (const double sparsity, T(*X))
template<class T >
void	randNMF (const UWORD m, const UWORD n, const UWORD k, const double sparsity, T *A)
template<class T >
void	printVector (const std::vector< T > &x)
std::vector< std::vector< size_t > >	cartesian_product (const std::vector< std::vector< size_t >> &v)
template<class INPUTTYPE , class LRTYPE >
double	computeObjectiveError (const INPUTTYPE &A, const LRTYPE &W, const LRTYPE &H)
void	cblas_sgemm (const MAT &A, const MAT &B, double *C)

Variables
static ULONG	powersof10 [16]
static std::stack< std::chrono::steady_clock::time_point >	tictoc_stack
static std::stack< double >	tictoc_stack_omp_clock

Function Documentation

absmat()

template<class T >

void absmat

(

T *

X

)

Definition at line 116 of file utils.hpp.

cartesian_product()

std::vector<std::vector<size_t> > cartesian_product

(

const std::vector< std::vector< size_t >> &

v

)

Definition at line 160 of file utils.hpp.

cblas_sgemm()

void cblas_sgemm	(	const MAT &	A,
		const MAT &	B,
		double *	C
	)

Definition at line 268 of file utils.hpp.

computeObjectiveError()

template<class INPUTTYPE , class LRTYPE >

double computeObjectiveError	(	const INPUTTYPE &	A,
		const LRTYPE &	W,
		const LRTYPE &	H
	)

Definition at line 180 of file utils.hpp.

fixDecimalPlaces()

template<class T >

void fixDecimalPlaces	(	T *	X,
		const int	places = NUMBEROF_DECIMAL_PLACES
	)

Definition at line 64 of file utils.hpp.

fixNumericalError()

template<class T >

void fixNumericalError	(	T *	X,
		const double	prec = EPSILON_1EMINUS16
	)

Definition at line 58 of file utils.hpp.

makeSparse()

template<class T >

void makeSparse	(	const double	sparsity,
		T *	X
	)

Definition at line 122 of file utils.hpp.

printVector()

template<class T >

void printVector

(

const std::vector< T > &

x

)

Definition at line 153 of file utils.hpp.

randNMF()

template<class T >

void randNMF	(	const UWORD	m,
		const UWORD	n,
		const UWORD	k,
		const double	sparsity,
		T *	A
	)

Definition at line 134 of file utils.hpp.

random_sieve()

int random_sieve

(

const int

nthprime

)

Definition at line 74 of file utils.hpp.

tic()

void tic ( )

inline

start the timer. easy to call as tic(); some code; double t=toc();

Definition at line 42 of file utils.hpp.

toc()

double toc ( )

inline

Definition at line 48 of file utils.hpp.

Variable Documentation

powersof10

ULONG powersof10[16]

static

Initial value:

= {1,
                               10,
                               100,
                               1000,
                               10000,
                               100000,
                               1000000,
                               10000000,
                               100000000,
                               1000000000,
                               10000000000,
                               100000000000,
                               1000000000000,
                               10000000000000,
                               100000000000000,
                               1000000000000000}

Definition at line 20 of file utils.hpp.

tictoc_stack

std::stack<std::chrono::steady_clock::time_point> tictoc_stack

static

Definition at line 37 of file utils.hpp.

tictoc_stack_omp_clock

std::stack<double> tictoc_stack_omp_clock

static

Definition at line 38 of file utils.hpp.