quickfun.c File Reference

#include <assert.h>
#include <math.h>
#include "quickfun.h"

Include dependency graph for quickfun.c:

Go to the source code of this file.

Defines
#define	round(x)   ((UINT)(x+0.5))
#define	TANH_RANGE0   1.84
#define	TANH_RANGE1   4.5
#define	TANH_STEP0   0.001
#define	TANH_STEP1   0.005
#define	TANH_FACTOR0   (1/TANH_STEP0)
#define	TANH_FACTOR1   (1/TANH_STEP1)
#define	TANH_SIZE0   (round(TANH_FACTOR0*TANH_RANGE0)+1)
#define	TANH_SIZE1   (round(TANH_FACTOR1*(TANH_RANGE1-TANH_RANGE0))+1)
Functions
void	quick_tanh_setup (void)
REAL	quick_tanh (REAL x)

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Detailed Description

Id

quickfun.c 1789 2004-04-23 05:15:44Z ling

Definition in file quickfun.c.

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Define Documentation

#define round (  x   )     ((UINT)(x+0.5))

Definition at line 9 of file quickfun.c.

#define TANH_FACTOR0   (1/TANH_STEP0)

Definition at line 16 of file quickfun.c.

#define TANH_FACTOR1   (1/TANH_STEP1)

Definition at line 17 of file quickfun.c.

#define TANH_RANGE0   1.84

Definition at line 11 of file quickfun.c. Referenced by quick_tanh_setup().

#define TANH_RANGE1   4.5

Definition at line 12 of file quickfun.c.

#define TANH_SIZE0   (round(TANH_FACTOR0*TANH_RANGE0)+1)

Definition at line 18 of file quickfun.c. Referenced by quick_tanh_setup().

#define TANH_SIZE1   (round(TANH_FACTOR1*(TANH_RANGE1-TANH_RANGE0))+1)

Definition at line 19 of file quickfun.c. Referenced by quick_tanh_setup().

#define TANH_STEP0   0.001

Definition at line 13 of file quickfun.c. Referenced by quick_tanh_setup().

#define TANH_STEP1   0.005

Definition at line 14 of file quickfun.c. Referenced by quick_tanh_setup().

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Function Documentation

REAL quick_tanh (  REAL  x  )

Definition at line 44 of file quickfun.c. Referenced by NNLayer::sigmoid(), and NNLayer::sigmoid_deriv().

void quick_tanh_setup (  void   )

Definition at line 25 of file quickfun.c. References TANH_RANGE0, TANH_SIZE0, TANH_SIZE1, TANH_STEP0, and TANH_STEP1. Referenced by NNLayer::NNLayer().

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