//C program to calculate effort, development time, productivity and average staff required in Intermediate cocomo model//
#include<stdio.h>
#include<conio.h>
#include<math.h>
int fround(float x)
{
int a;
x=x+0.5;
a=x;
return(a);
}
void main()
{
float table[3][4]={3.2,1.05,2.5,0.38,3.0,1.12,2.5,0.35,2.8,1.20,2.5,0.32};
int i,j,size,model,rating;
char mode[][15]={"Organic","Semi-Detached","Embedded"};
char driver[15][6]={"RELY","DATA","CPLX","TIME","STOR","VIRT","TURN","ACAP","AEXP","PCAP",
"VEXP","LEXP","MODP","TOOL","SCED"};
float effort,EAF,a,time,staff,productivity;
float costdrivers[15][6]={
{0.75,0.88,1,1.15,1.40,-1},
{-1,0.94,1,1.08,1.16,-1},
{0.70,0.85,1,15,1.30,1.65},
{-1,-1,1,1.11,1.30,1.66},
{-1,-1,1,1.06,1.21,1.56},
{-1,0.87,1,1.15,1.30,-1},
{-1,0.87,1,1.07,1.15,-1},
{1.46,1.19,1,0.86,0.71,-1},
{1.29,1.13,1.00,0.91,0.82,-1},
{1.42,1.17,1,0.86,0.70,-1},
{1.21,1.10,1,0.90,-1,-1},
{1.14,1.07,1,0.95,-1,-1},
{1.24,1.10,1.00,0.91,0.82,-1},
{1.24,1.10,1,0.91,0.83,-1},
{1.23,1.08,1,1.04,1.10,-1}
};
clrscr();
printf("
Enter the size of project : ");
scanf("%d",&size);
if(size>=2 && size<=50)
model=0;
else if(size>50 && size<=300)
model=1;
else if(size>300)
model=2;
printf("
Mode = %s",mode[model]);
EAF=1;
for(i=0;i<15;i++)
{
do
{
printf("
Rate cost driver %s on scale of 0-5 : ",driver[i]);
printf("
0-Very Low 1-Low 2-Nominal 3-High 4-Very High 5-Extra High
");
scanf("%d",&rating);
a=costdrivers[i][rating];
if(a==-1)
{
printf("
No value exist for this rating..Enter another rating...
");
}
}while(a==-1);
EAF=EAF*a;
}
printf("
EAF = %f",EAF);
effort=(table[model][0]*pow(size,table[model][1])) * EAF;
time=table[model][2]*pow(effort,table[model][3]);
staff=effort/time;
productivity=size/effort;
printf("
Effort = %f Person-Month",effort);
printf("
Development Time = %f Months",time);
printf("
Average Staff Required = %d Persons",fround(staff));
printf("
Productivity = %f KLOC/Person-Month",productivity);
getch();
}
