Long time no see

1Y-1H/proglabs/lab7/9.c

@@ -0,0 +1,36 @@
+#include <stdio.h>
+void power(double *x, int *exp, double *xpow, int *i);
+
+int main(){
+    double x, xpow;
+    int exp, i;
+    i = 1;
+
+    printf("Write: num pow\t(q for exit)\nWrite: ") ;
+
+    while (scanf(" %lf %d", &x, &exp) == 2){
+        if ((x == 0) && (exp == 0)){
+            printf("Result of 0 in pow 0 is undefind\n");
+        }
+        else if(exp == 0){xpow = 1;}
+        else({
+            xpow = x;
+            power(&x,&exp,&xpow,&i);
+        });
+    if ((x != 0)||(exp != 0)){
+        printf ("%.2lf в степени %d равно %lf\n", x, exp, xpow);}
+        printf("Write: ");
+    }
+    return 0;
+}
+
+void power (double *x, int *exp, double *xpow, int *i){
+    if(*i<*exp){
+        *xpow = (*xpow * *x);
+        (*i)++;
+        power(x, exp, xpow, i);
+    }else({
+        if (*exp<0) *xpow = (1 / *xpow);
+        (*i) = 1;
+    });
+}