minor cleanups

preda · Oct 29, 2024 · c01cab8 · c01cab8
1 parent 180c312
commit c01cab8
Show file tree

Hide file tree

Showing 2 changed files with 4 additions and 3 deletions.
diff --git a/src/Trig.cpp b/src/Trig.cpp
@@ -70,5 +70,7 @@ TrigCoefs trigCoefs(u32 n) {
   assert(pos <= 7);
   auto [mul, idx] = COS_TAB[pos];
 
-  return {mul, scaleSin(SIN[idx], 1.0/(twos / 4)), scaleCos(COS[idx], 1.0/(twos / 4))};
+  double scale = 1.0 / (twos / 4);
+
+  return {mul, scaleSin(SIN[idx], scale), scaleCos(COS[idx], scale)};
 }
diff --git a/src/cl/trig.cl b/src/cl/trig.cl
@@ -36,8 +36,7 @@ double2 reducedCosSin(int k) {
   return U2(c, s);
 }
 
-// Returns e^(-i * tau * k / n), (tau == 2*pi represents a full circle). So k/n is the ratio of a full circle.
-// Inverse trigonometric direction is chosen as an FFT convention.
+// Returns e^(i * tau * k / n), (tau == 2*pi represents a full circle). So k/n is the ratio of a full circle.
 double2 slowTrig_N(u32 k, u32 kBound)   {
   u32 n = ND;
   assert(n % 8 == 0);