From 06c0db86901a25eff9ec329305782362228d142a Mon Sep 17 00:00:00 2001
From: Matthieu Gomez <gomez.matthieu@gmail.com>
Date: Wed, 12 Jun 2024 11:35:18 -0400
Subject: [PATCH] Delete upwinding.jl

---
 src/upwinding.jl | 50 ------------------------------------------------
 1 file changed, 50 deletions(-)
 delete mode 100644 src/upwinding.jl

diff --git a/src/upwinding.jl b/src/upwinding.jl
deleted file mode 100644
index 453f392..0000000
--- a/src/upwinding.jl
+++ /dev/null
@@ -1,50 +0,0 @@
-
-struct Derivative
-    x::Vector{Float64}
-end
-
-function FirstDerivative(x, y::T, i;  bc = (0, 0), direction = :up)
-    if method == :up
-        Δxp = x[min(i, n-1)+1] - x[min(i, n-1)]
-        (i < length(x)) ? (y[i+1] - y[i]) / Δxp : convert(T, bc[end])
-    elseif method == :down
-        Δxm = x[max(i-1, 1) + 1] - x[max(i-1, 1)]
-        (i > 1) ? (y[i] - y[i-1]) / Δxm : convert(T, bc[1])
-    end
-end
-
-function SecondDerivative(x, y::T, i, bc = (0, 0))
-    Δxp = x[min(i, n-1)+1] - x[min(i, n-1)]
-    Δxm = x[max(i-1, 1) + 1] - x[max(i-1, 1)]
-    Δx = (Δxm + Δxp) / 2
-    (1 < i < length(x)) ? (y[i + 1] / (Δxp * Δx) + y[i - 1] / (Δxm * Δx) - 2 * y[i] / (Δxp * Δxm)) : ((i == 1) ? (y[2] / (Δxp * Δx) + (y[1] - bc[1] * Δxm) / (Δxm * Δx) - 2 * y[1] / (Δxp * Δxm)) : ((y[end] + bc[end] * Δxp) / (Δxp * Δx) + y[end - 1] / (Δxm * Δx) - 2 * y[end] / (Δxp * Δxm)))
-
-
-    if method == :upwind
-        Δxp = x[min(i, n-1)+1] - x[min(i, n-1)]
-        Δfp = y[min(i, n-1)+1] - y[min(i, n-1)]
-        if Δxp != 0
-            return Δfxp / Δxp
-        else
-            return 0.0
-        end
-    else
-        Δxm = x[max(i-1, 1) + 1] - x[max(i-1, 1)]
-        Δfm = f[max(i-1, 1) + 1] - f[max(i-1, 1)]
-        if Δxm != 0
-            return Δfxm / Δxm
-        else
-            return 0.0
-        end
-    end
-end
-    elseif method == :down
-        return x[min(i, n-1)+1] - x[min(i, n-1)]
-struct ∂down
-    grid::Vector{Float64}
-end
-
-struct ∂down
-    grid::Vector{Float64}
-end
-upwinding(wgrid)
\ No newline at end of file