1b14ec9415
git-svn-id: svn://10.65.10.50/branches/R_10_00@23236 c028cbd2-c16b-5b4b-a496-9718f37d4682
66 lines
1.2 KiB
C
Executable File
66 lines
1.2 KiB
C
Executable File
#include <stdio.h>
|
|
#include "gm.h"
|
|
void getdec(char *,DEC *);
|
|
void main(void);
|
|
|
|
void main()
|
|
{
|
|
int choice, opt, nper=0, diy=365;
|
|
DECP pv, intr, intamt;
|
|
DEC *p;
|
|
|
|
printf("Simple interest computation\n");
|
|
printf("Variable to solve for --\n");
|
|
printf(" 1) Number of days\n 2) Interest rate\n");
|
|
printf(" 3) Principal\n 4) Accrued interest\n");
|
|
printf("Your choice: ");
|
|
scanf("%d", &choice);
|
|
if (choice == 1)
|
|
opt = GM_N;
|
|
if (choice == 2)
|
|
opt = GM_I;
|
|
if (choice == 3)
|
|
opt = GM_PV;
|
|
if (choice == 4)
|
|
opt = GM_INTR;
|
|
|
|
if (opt != GM_N) {
|
|
printf("Number of days: ");
|
|
scanf("%d", &nper);
|
|
}
|
|
if (opt != GM_I)
|
|
getdec("Percentage annual interest rate: ", intr);
|
|
if (opt != GM_PV)
|
|
getdec("Principal: ", pv);
|
|
if (opt != GM_INTR)
|
|
getdec("Accrued interest: ", intamt);
|
|
dprintf("Number of days in year (360 or 365): ");
|
|
dscanf("%d", &diy);
|
|
|
|
if (diy == 360)
|
|
p = simp360(&nper, intr, pv, intamt, opt);
|
|
else
|
|
p = simp365(&nper, intr, pv, intamt, opt);
|
|
|
|
if (opt==GM_N)
|
|
dprintf("The result is %d\n",nper);
|
|
else {
|
|
if (p)
|
|
dprintf("The result is %v\n",p);
|
|
else
|
|
dprintf("Simple interest failed\n");
|
|
}
|
|
}
|
|
|
|
void getdec(str, x)
|
|
char *str;
|
|
DEC *x;
|
|
{
|
|
int i;
|
|
|
|
do {
|
|
printf("%s", str);
|
|
i = dscanf("%t", x);
|
|
} while (i<1);
|
|
}
|