Code formatting.

src/vector.h

@@ -251,7 +251,7 @@
 #define vec_dbl_fmax(a, b) _mm_max_pd(a, b)
 #define FILL_VEC(a) \
   { .f[0] = a, .f[1] = a, .f[2] = a, .f[3] = a }
-#define VEC_HADD(a, b)            \
+#define VEC_HADD(a, b)         \
   a.v = _mm_hadd_ps(a.v, a.v); \
   b += a.f[0] + a.f[1];
 #ifndef vec_fma

tests/benchmarkInteractions.c

@@ -239,7 +239,8 @@ void test_interactions(struct part test_part, struct part *parts, size_t count,
 
   struct part *piq[count], *pjq[count];
   for (size_t k = 0; k < count; k++) {
-    piq[k] = NULL; pjq[k] = NULL;
+    piq[k] = NULL;
+    pjq[k] = NULL;
   }
 
 #ifdef WITH_VECTORIZATION