[Trifocal+P2Pt] microopt: memcpy copying precisely the last t only

rfabbri · Nov 13, 2023 · 9ea934f · 9ea934f
1 parent ae33b77
commit 9ea934f
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/minus/internal-util.h b/minus/internal-util.h
@@ -45,6 +45,12 @@ struct minus_array { // Speed critical -----------------------------------------
     for (unsigned int i=0; i < N; ++i,++a,++b) *a += *b;
   }
 
+  static inline __attribute__((always_inline)) void 
+  fadd_to_self(C<F> * __restrict a, const C<F> * __restrict b)
+  {
+    for (unsigned int i=0; i < N+1; ++i,++a,++b) *a += *b;
+  }
+
   static inline __attribute__((always_inline)) void 
   add_scalar_to_self(C<F> * __restrict a, C<F> b)
   {
@@ -56,6 +62,13 @@ struct minus_array { // Speed critical -----------------------------------------
   {
     memcpy(b, a, N*sizeof(C<F>));
   }
+
+  static inline __attribute__((always_inline)) void 
+  fcopy(const C<F> * __restrict a, C<F> * __restrict b)
+  {
+    memcpy(b, a, N*sizeof(C<F>)+sizeof(F));
+  }
+
   static inline __attribute__((always_inline)) F
   norm2(const C<F> *__restrict a)
   {