rand_poly initial setup

tests/test_util.c

@@ -0,0 +1,19 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include "test_util.h"
+
+
+void rand_poly(NtruIntPoly *a, uint16_t N, uint16_t modulus){
+    uint16_t i;
+    int16_t coeffs[N];
+    // int16_t coeffs;
+    a->N = N;
+    printf("-> ");
+    for (i=0; i<N; i++){
+        a->coeffs[i] = random() % modulus;
+        printf("%d %d\n ", i+1, coeffs[i]  );
+    }
+}
+