From b4350dc1aa94403eeea4f0f7fe9f22c10dda8e2c Mon Sep 17 00:00:00 2001
From: Lloyd Page <lloyd.page@gmail.com>
Date: Wed, 13 Jul 2016 01:44:59 -0400
Subject: [PATCH 1/2] commit assignment8.txt commit filestanddev.c commit
 float1.txt commit sort.c

---
 assignment8.txt |  7 +++++
 filestanddev.c  | 45 +++++++++++++++++++++++++++
 float1.txt      | 11 +++++++
 sort.c          | 81 +++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 144 insertions(+)
 create mode 100644 assignment8.txt
 create mode 100644 filestanddev.c
 create mode 100644 float1.txt
 create mode 100644 sort.c

diff --git a/assignment8.txt b/assignment8.txt
new file mode 100644
index 0000000..bb8d331
--- /dev/null
+++ b/assignment8.txt
@@ -0,0 +1,7 @@
+Lloyd Page
+1. CAN CRASH(potential for infinite while loop)
+char value at 129+130+131+"abc"
+2. 7
+3. 29(infinite while loop)
+4. 29: while((*q++==*b++)!=0) ;
+   32: free(p);
diff --git a/filestanddev.c b/filestanddev.c
new file mode 100644
index 0000000..4eb20d8
--- /dev/null
+++ b/filestanddev.c
@@ -0,0 +1,45 @@
+/*Lloyd Page*/
+/*reads floats from float1.txt, calculates meand and stand dev of all read in values*/
+#include<stdio.h>
+#include<math.h>
+#include<stdlib.h>
+float avg(float[],int);
+float stddev(float[],float,int);
+int main()
+{
+	int x;
+	char handler[100];
+	FILE *f=fopen("float1.txt","r");
+	fgets(handler,sizeof(handler),f);
+	x=atoi(handler);
+	float num[x];
+	for(int i=0;i<x;i++)
+	{
+		float a;
+		fgets(handler,sizeof(handler),f);
+		a=atof(handler);
+		num[i]=a;
+	}
+	float a=avg(num,x);
+	printf("%g\n",a);
+	float stdev=stddev(num,a,x);
+	printf("%g\n",stdev);
+	return 0;
+}
+float avg(float num[],int size)
+{
+	float sum=0;
+	for(int i=0;i<size;i++)
+		sum+=num[i];
+	return sum/((float)size);
+}
+float stddev(float num[],float avg,int size)
+{
+	float sum=0;
+	for(int i=0;i<size;i++)
+	{
+		sum=sum+(num[i]-avg)*(num[i]-avg);
+	}
+	sum=sum/((float)(size-1));
+	return sqrt(sum);
+}
diff --git a/float1.txt b/float1.txt
new file mode 100644
index 0000000..37275b1
--- /dev/null
+++ b/float1.txt
@@ -0,0 +1,11 @@
+10
+9
+11
+9
+11
+9
+11
+9
+11
+9
+11
diff --git a/sort.c b/sort.c
new file mode 100644
index 0000000..4c20e5e
--- /dev/null
+++ b/sort.c
@@ -0,0 +1,81 @@
+/*Lloyd Page*/
+/*3 arrays allocated using malloc(), fill one with randum numbers, and sort one ascendingly, and the other descendingly, and print all three arrays*/
+/**/
+#include<stdio.h>
+#include<stdlib.h>
+#include<time.h>
+void insertUp(int*,int);
+void insertDn(int*,int);
+int main()
+{
+	srand(time(NULL));
+	int size;
+	printf("Enter the size of the array\n");
+	scanf("%d",&size);
+	int *a=(int*)malloc(size*4);
+	for(int i=0;i<size;i++)
+	{
+		*(a+i)=rand();
+	}
+	printf("Elements in Array a\n");
+	for(int i=0;i<size;i++)
+	{
+		printf("%d\n",*(a+i));
+	}
+	int *b=(int*)malloc(size*4);
+	for(int i=0;i<size;i++)
+	{
+		*(b+i)=*(a+i);
+	}
+	insertUp(b,size);
+	printf("Elements in Array b\n");
+	for(int i=0;i<size;i++)
+	{
+		printf("%d\n",*(b+i));
+	}
+	int *c=(int*)malloc(size*4);
+	printf("Elements in Array c\n");
+	for(int i=0;i<size;i++)
+	{
+		*(c+i)=*(a+i);
+	}
+	insertDn(c,size);
+	for(int i=0;i<size;i++)
+	{
+		printf("%d\n",*(c+i));
+	}
+	free(a);
+	free(b);
+	free(c);
+	return 0;
+}
+void insertUp(int*n,int size)
+{
+	for(int i=0;i<size;i++)
+	{
+		for(int j=i;j<size;j++)
+		{
+			if(*(n+i)<*(n+j))
+			{
+				int temp=*(n+i);
+				*(n+i)=*(n+j);
+				*(n+j)=temp;
+			}
+		}
+	}
+}
+void insertDn(int*n,int size)
+{
+	for(int i=size-1;i>-1;i--)
+	{
+		for(int j=i;j>-1;j--)
+		{
+			if(*(n+i)<*(n+j))
+			{
+				int temp=*(n+i);
+				*(n+i)=*(n+j);
+				*(n+j)=temp;
+			}
+		}
+	}
+}

From fbf52b802109db5b50d55a208c9516c424e7d5c4 Mon Sep 17 00:00:00 2001
From: Lloyd Page <lloyd.page@gmail.com>
Date: Wed, 13 Jul 2016 01:56:50 -0400
Subject: [PATCH 2/2] commit sort.c

---
 sort.c | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

diff --git a/sort.c b/sort.c
index 4c20e5e..249e6fa 100644
--- a/sort.c
+++ b/sort.c
@@ -4,14 +4,30 @@
 #include<stdio.h>
 #include<stdlib.h>
 #include<time.h>
+#include<string.h>
 void insertUp(int*,int);
 void insertDn(int*,int);
 int main()
 {
 	srand(time(NULL));
 	int size;
-	printf("Enter the size of the array\n");
-	scanf("%d",&size);
+	while(1)
+	{
+		int N=3;
+		char *line=malloc(N);
+		printf("Enter the size of the array\n");
+		fgets(line,N,stdin);
+		size_t last=strlen(line);
+		while(line[last-1]!='\n')
+		{
+			N*=2;
+			line=realloc(line,N);
+			fgets(line+last,N/2,stdin);
+			last=strlen(line);
+		}
+		if(sscanf(line,"%d",&size))
+			break;
+	}
 	int *a=(int*)malloc(size*4);
 	for(int i=0;i<size;i++)
 	{
@@ -49,7 +65,7 @@ int main()
 	free(c);
 	return 0;
 }
-void insertUp(int*n,int size)
+void insertDn(int*n,int size)
 {
 	for(int i=0;i<size;i++)
 	{
@@ -64,7 +80,7 @@ void insertUp(int*n,int size)
 		}
 	}
 }
-void insertDn(int*n,int size)
+void insertUp(int*n,int size)
 {
 	for(int i=size-1;i>-1;i--)
 	{