float cosine[fir_size] = {
   7.0710678e-01,  9.2387953e-01,  1.0000000e+00,  9.2387953e-01,  
   7.0710678e-01,  3.8268343e-01, -2.4499126e-15, -3.8268343e-01, 
  -7.0710678e-01, -9.2387953e-01, -1.0000000e+00, -9.2387953e-01, 
  -7.0710678e-01, -3.8268343e-01,  5.5109106e-16,  3.8268343e-01,  
   7.0710678e-01,  9.2387953e-01,  1.0000000e+00,  9.2387953e-01,  
   7.0710678e-01,  3.8268343e-01, -4.2862638e-16, -3.8268343e-01, 
  -7.0710678e-01, -9.2387953e-01, -1.0000000e+00, -9.2387953e-01, 
  -7.0710678e-01, -3.8268343e-01,  3.0616170e-16,  3.8268343e-01,  
   7.0710678e-01,  9.2387953e-01,  1.0000000e+00,  9.2387953e-01,  
   7.0710678e-01,  3.8268343e-01, -1.8369702e-16, -3.8268343e-01, 
  -7.0710678e-01, -9.2387953e-01, -1.0000000e+00, -9.2387953e-01, 
  -7.0710678e-01, -3.8268343e-01,  6.1232340e-17,  3.8268343e-01,  
   7.0710678e-01,  9.2387953e-01,  1.0000000e+00 };