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updt cv3

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This commit is contained in:
Ivan Leichenko 2024-10-14 14:48:27 +02:00
parent 83f11ad4df
commit ea98c9f32b
1 changed files with 23 additions and 5 deletions
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28
cv3/program.c
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@ -27,7 +27,7 @@ float getnpop(struct stack* stack)
}
float calculate(struct stack* stack, char operator)
int calculate(struct stack* stack, char operator)
{
float num1 = getnpop(stack);
float num2 = getnpop(stack);
@ -45,11 +45,25 @@ float calculate(struct stack* stack, char operator)
res = num1*num2;
break;
case '/':
if(num1 == 0)
{
//res = 1;
return 1;
}
res = num2/num1;
break;
}
add(stack, res);
return res;
return 0;
}
int check_op(char symb)
{
if(symb == '+' || symb == '-' || symb == '*' || symb == '/')
{
return 1;
}
return 0;
}
int main(int argc, char const *argv[])
@ -69,14 +83,18 @@ int main(int argc, char const *argv[])
}
buf[strcspn(buf, "\n")] = '\0';
num = atof(buf);
if(num != 0)
if(!check_op(buf[0]))
{
num = atof(buf);
add(&calc_stack, num);
}
else
{
calculate(&calc_stack, buf[0]);
if(calculate(&calc_stack, buf[0]) == 1)
{
printf("division by zero\n");
return 0;
}
}
for (int i = 0; i < calc_stack.size; i++)
{