From 78c05afbc2085ae6eb8b12fab19c639045591fe6 Mon Sep 17 00:00:00 2001
From: Jens Ahrensfeld <jens@jayfield.org>
Date: Sat, 15 Jan 2022 09:23:57 +0000
Subject: [PATCH] - removed noise c-sources

git-svn-id: http://moon:8086/svn/software/trunk/projects/Rbm@812 b431acfa-c32f-4a4a-93f1-934dc6c82436
---
 source/DrawComponent.cpp |  1 -
 source/Rbm.cpp           |  2 -
 source/Rbm.hpp           |  2 -
 source/noise.c           | 80 ----------------------------------------
 source/noise.h           | 42 ---------------------
 5 files changed, 127 deletions(-)
 delete mode 100644 source/noise.c
 delete mode 100644 source/noise.h

diff --git a/source/DrawComponent.cpp b/source/DrawComponent.cpp
index e828773..676795c 100644
--- a/source/DrawComponent.cpp
+++ b/source/DrawComponent.cpp
@@ -18,7 +18,6 @@
 */
 
 //[Headers] You can add your own extra header files here...
-#include "noise.h"
 void mylog(const char* format, ...);
 //[/Headers]
 
diff --git a/source/Rbm.cpp b/source/Rbm.cpp
index b39e9cc..6f0abba 100644
--- a/source/Rbm.cpp
+++ b/source/Rbm.cpp
@@ -24,7 +24,6 @@ Rbm::Rbm(size_t numVisible, size_t numHidden)
 {
 	assert(numVisible > 0);
 	assert(numHidden > 0);
-	Noise_Init(&m_noise, 0x32727155);
 }
 
 Rbm::Rbm(const Rbm& orig)
@@ -37,7 +36,6 @@ Rbm::Rbm(const Rbm& orig)
 
 Rbm::~Rbm()
 {
-	Noise_Free(&m_noise);
 }
 
 size_t Rbm::numHidden() const
diff --git a/source/Rbm.hpp b/source/Rbm.hpp
index 8b0ceff..6b5821e 100644
--- a/source/Rbm.hpp
+++ b/source/Rbm.hpp
@@ -18,7 +18,6 @@
 
 #include <armadillo>
 #include <jsoncpp/json/json.h>
-#include "noise.h"
 
 class Rbm
 {
@@ -161,7 +160,6 @@ protected:
 	arma::mat m_bv;
 
 private:
-	noise_gen_t m_noise;
 	arma::mat m_whv;
 	
 };
diff --git a/source/noise.c b/source/noise.c
deleted file mode 100644
index 542d48f..0000000
--- a/source/noise.c
+++ /dev/null
@@ -1,80 +0,0 @@
-// --------------------------------------------------------------
-// --------------------------------------------------------------
-
-#include <string.h>
-#include <stdlib.h>
-#include <time.h>
-#include <math.h>
-
-#include "noise.h"
-
-// --------------------------------------------------------------
-// internal funcs
-// --------------------------------------------------------------
-#define PM_IA 16807
-#define PM_IM 2147483647
-#define PM_AM (1.0/PM_IM)
-#define PM_IQ 127773
-#define PM_IR 2836
-#define PM_MASK 123459876
-
-//	'Minimal' random number generator of Park and Miller. Returns a uniform random deviate
-//	between 0.0 and 1.0. Set or reset idum to any integer value (except the unlikely value MASK)
-//	to initialize the sequence; idum must not be altered between calls for successive deviates in
-//	a sequence.
-double ran0(long *idum)
-{
-	long k;
-	double ans;
-
-	*idum ^= PM_MASK;				// XORing with MASK allows use of zero and other
-	k=(*idum)/PM_IQ;				// simple bit patterns for idum.
-	*idum=PM_IA*(*idum-k*PM_IQ)-PM_IR *k;		// Compute idum=(IA*idum) % IM without over-
-							// flows by Schrage’s method.
-	if (*idum < 0)
-		*idum += PM_IM;
-
-	ans=PM_AM*(*idum);				// Convert idumto a floating result.
-	*idum ^= PM_MASK;				// Unmask before return.
-
-	return ans;
-}
-
-// --------------------------------------------------------------
-// Exported functions
-// --------------------------------------------------------------
-void Noise_Init(noise_gen_t *pObj, long seed)
-{
-
-	pObj->state = seed;
-}
-
-void Noise_Free(noise_gen_t *pObj)
-{
-}
-
-// 0 .. 1
-double Noise_Uniform(noise_gen_t *pObj)
-{
-	return ran0(&pObj->state);
-}
-
-double Noise_Gaussian(noise_gen_t *pObj)
-{
-	double U1, U2, V1, V2, S, Y;
-
-	do
-	{
-		U1 = Noise_Uniform(pObj);		         // U1=[0,1]
-		U2 = Noise_Uniform(pObj);                // U2=[0,1]
-		V1 = 2 * U1 - 1;          // V1=[-1,1]
-		V2 = 2 * U2 - 1;          // V2=[-1,1]
-		S = V1 * V1 + V2 * V2;
-
-	} while (S >= 1);
-
-	// X = sqrt(-2 * log(S) / S) * V1;
-	Y = sqrt(-2 * log(S) / S) * V2;
-
-	return Y;
-}
diff --git a/source/noise.h b/source/noise.h
deleted file mode 100644
index cc56e29..0000000
--- a/source/noise.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
-  ==============================================================================
-
-    noise.h
-    Created: 21 Sep 2014 1:55:07pm
-    Author:  jens
-
-  ==============================================================================
-*/
-// --------------------------------------------------------------
-#ifndef _NOISE_H_
-#define	_NOISE_H_
-
-#define __func__ ""
-// --------------------------------------------------------------
-// Types
-// --------------------------------------------------------------
-typedef struct _snoise_gen_t
-{
-	long state;
-} noise_gen_t;
-
-// --------------------------------------------------------------
-#if defined(__cplusplus)
-extern "C" {
-#endif
-
-// --------------------------------------------------------------
-// Exported functions
-// --------------------------------------------------------------
-void Noise_Init(noise_gen_t *pObj, long seed);
-void Noise_Free(noise_gen_t *pObj);
-double Noise_Uniform(noise_gen_t *pObj);
-double Noise_Gaussian(noise_gen_t *pObj);
-
-#if defined(__cplusplus)
-}
-
-#endif
-// --------------------------------------------------------------
-
-#endif // _NOISE_H_