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#include <stdarg.h>
#include "test.h"
typedef struct { int x; int y; } Point;
int sum_point_array(int count, ...) {
va_list ap;
va_start(ap, count);
Point *arr = va_arg(ap, Point *);
va_end(ap);
int sum = 0;
for (int i = 0; i < count; i++)
sum += arr[i].x + arr[i].y;
return sum;
}
int sum_array(int count, ...) {
va_list ap;
va_start(ap, count);
int *arr = va_arg(ap, int *);
va_end(ap);
int sum = 0;
for (int i = 0; i < count; i++)
sum += arr[i];
return sum;
}
int sum_float_array(int count, ...) {
va_list ap;
va_start(ap, count);
float *arr = va_arg(ap, float *);
va_end(ap);
float sum = 0;
for (int i = 0; i < count; i++)
sum += arr[i];
return (int)sum;
}
int mix_array_scalar(int count, ...) {
va_list ap;
va_start(ap, count);
int *arr = va_arg(ap, int *);
int extra = va_arg(ap, int);
va_end(ap);
int sum = extra;
for (int i = 0; i < count; i++)
sum += arr[i];
return sum;
}
int main() {
ASSERT(10, ({
int a[] = {1,2,3,4};
sum_array(4, a);
}));
ASSERT(6, ({
float a[] = {1.5, 2.5, 2.0};
sum_float_array(3, a);
}));
ASSERT(20, ({
int a[] = {3,4,5,6};
mix_array_scalar(4, a, 2); // 2 + 3+4+5+6 = 20
}));
ASSERT(21, ({
Point pts[] = {{1,2},{3,4},{5,6}};
sum_point_array(3, pts);
}));
return 0;
}
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