84 lines
1.8 KiB
C
84 lines
1.8 KiB
C
#include <stdio.h>
|
|
|
|
typedef struct
|
|
{
|
|
float real;
|
|
float imaginary;
|
|
}complex;
|
|
|
|
complex assignComplex(){
|
|
float r, i;
|
|
scanf("%f", &r);
|
|
scanf("%f", &i);
|
|
complex c;
|
|
c.real = r;
|
|
c.imaginary = i;
|
|
return c;
|
|
}
|
|
|
|
void addComplex() {
|
|
printf("First complex\n");
|
|
complex a = assignComplex();
|
|
printf("Second complex\n");
|
|
complex b = assignComplex();
|
|
|
|
complex r;
|
|
r.real = a.real + b.real;
|
|
r.imaginary = a.imaginary + b.imaginary;
|
|
printf("Result: %f+%fi\n", r.real, r.imaginary);
|
|
}
|
|
|
|
void subComplex() {
|
|
printf("First complex\n");
|
|
complex a = assignComplex();
|
|
printf("Second complex\n");
|
|
complex b = assignComplex();
|
|
|
|
complex r;
|
|
r.real = a.real - b.real;
|
|
r.imaginary = a.imaginary - b.imaginary;
|
|
printf("Result: %f+%fi\n", r.real, r.imaginary);
|
|
}
|
|
|
|
void mulComplex() {
|
|
printf("First complex\n");
|
|
complex a = assignComplex();
|
|
printf("Second complex\n");
|
|
complex b = assignComplex();
|
|
|
|
complex r;
|
|
r.real = a.real * b.real;
|
|
r.imaginary = a.imaginary * b.imaginary;
|
|
printf("Result: %f+%fi\n", r.real, r.imaginary);
|
|
}
|
|
|
|
void divComplex() {
|
|
printf("First complex\n");
|
|
complex a = assignComplex();
|
|
printf("Second complex\n");
|
|
complex b = assignComplex();
|
|
|
|
complex r;
|
|
r.real = a.real / b.real;
|
|
r.imaginary = a.imaginary / b.imaginary;
|
|
printf("Result: %f+%fi\n", r.real, r.imaginary);
|
|
}
|
|
|
|
int main() {
|
|
printf("Usage:\n\toperations: + - * /\n\tquit: q\n");
|
|
|
|
char in;
|
|
while(1){
|
|
|
|
in = getchar();
|
|
switch(in){
|
|
case 'q': return 0;
|
|
case '+': addComplex(); break;
|
|
case '-': subComplex(); break;
|
|
case '*': mulComplex(); break;
|
|
case '/': divComplex(); break;
|
|
default: printf("kaputt\n"); break;
|
|
}
|
|
}
|
|
}
|