From c6e2fc7ac3d4dc00bdd5c5a6d060e6e9f55eee23 Mon Sep 17 00:00:00 2001
From: Ivan Rojkov <irojkov@ethz.ch>
Date: Mon, 29 Jul 2024 22:00:31 +0200
Subject: [PATCH] Change minor comments in the source code

---
 src/CVsim.jl       | 4 ++--
 src/prepare_GKP.jl | 4 +---
 src/wignerify.jl   | 4 ++--
 3 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/src/CVsim.jl b/src/CVsim.jl
index 465b25b..1c34415 100644
--- a/src/CVsim.jl
+++ b/src/CVsim.jl
@@ -5,11 +5,11 @@ module CVsim
   using Permutations
   using LinearAlgebra
 
-  # Parameters of the simulations
+  # Parameters of the CV simulations
   export CVsim_Parameters
   include("parameters.jl")
 
-  # Fast calculation of the Wigner quasiprobability
+  # Wigner quasiprobability functions
   export wignerify
   include("wignerify.jl")
 
diff --git a/src/prepare_GKP.jl b/src/prepare_GKP.jl
index 3937563..241e6a1 100644
--- a/src/prepare_GKP.jl
+++ b/src/prepare_GKP.jl
@@ -133,8 +133,6 @@ function albert_preparation(P::CVsim_Parameters;
                             Δ::Float64 = 0.37,
                             n_peaks::Int = 51,
                             GKP_1::Bool = false)
-    
-    # displace(α) = exp(1im*  √2  * dense( imag(α) * position(P.b) - real(α) * momentum(P.b) ))
 
     displace(α) = exp(-1im*imag(α)*real(α)) * 
                   LazyProduct( exp(1im*√2.0 * dense( imag(α)*position(P.b))), P.Tpm,
@@ -238,7 +236,7 @@ function default_GKP_preparation(P::CVsim_Parameters;
                                  n_peaks::Int = 20
                                 ) 
   
-  # Determine the if one wants to create a minus state
+  # Determine if one wants to create a minus state
   minus_state = ( parity && (period == sqrt(pi)) )
   parity_term(ind) = (-1)^(ind*minus_state)
   
diff --git a/src/wignerify.jl b/src/wignerify.jl
index 976d241..cb02b5d 100644
--- a/src/wignerify.jl
+++ b/src/wignerify.jl
@@ -39,7 +39,7 @@ function wignerify(mat::Matrix{ComplexF64})
 
   # Some constants
   wig_Np = length(mat[:,1])
-  wig_pshift = wig_Np ÷ 2     # integer division
+  wig_pshift = wig_Np ÷ 2
 
   # Extract anti-diagonals from mat and organizing them in columns
   mat_skew = zeros(ComplexF64,(wig_Np, wig_Np))
@@ -59,7 +59,7 @@ function wignerify(mat::Matrix{ComplexF64})
   # Fourier transform along the columns
   wigner = mapslices(x->fft_op*x, mat_skew; dims=1)
 
-  # execute a linear phase shift which is equivalent to a pixel shift on
+  # Execute a linear phase shift which is equivalent to a pixel shift on
   # mat_skew (but the even antidiagonals get a half-odd pixel shift)
   shift_amt = ([0:wig_Np-1;] .- (wig_pshift)) .* [0:2:2*wig_Np-2;]'
   wigner .*= exp.((2im*pi / wig_Np) .* shift_amt)