From 7021d9b07d9ac6bd093e62504c3e79952ff9d960 Mon Sep 17 00:00:00 2001
From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Mon, 19 Jul 2021 14:47:59 +0100
Subject: [PATCH] remove unneeded code

---
 src/openpower/decoder/isa/fastdctlee.py | 77 -------------------------
 1 file changed, 77 deletions(-)

diff --git a/src/openpower/decoder/isa/fastdctlee.py b/src/openpower/decoder/isa/fastdctlee.py
index d6647ac1..4ce8670e 100644
--- a/src/openpower/decoder/isa/fastdctlee.py
+++ b/src/openpower/decoder/isa/fastdctlee.py
@@ -266,83 +266,6 @@ def inverse_transform2(vector, root=True):
         return vector
 
 
-def failllll_transform2(block):
-    N = len(block)
-    cos = [0.0] * (N>>1)
-
-    front = deepcopy(block)
-    back = deepcopy(block)
-
-    step = 1
-    j = N *2
-    half_N = N
-    prev_half_N = N
-
-    while j > 1: #// Cycle of iterations Input Butterfly
-        half_N = half_N >> 1
-        current_PI_half_By_N = (math.pi / 2) / prev_half_N
-        current_PI_By_N = 0.0
-        step_Phase = current_PI_half_By_N * 2.0
-        print ("n", N, "cos", end=" ")
-        for i in range(half_N):
-            #Precompute Cosine's coefficients
-            a = current_PI_By_N + current_PI_half_By_N
-            print (i, a / (math.pi), math.cos(a) * 2, end=" ")
-            cos[i] = 0.5 / math.cos(a)
-            current_PI_By_N += step_Phase
-        print()
-        k = 0
-        for x in range(step):
-            for i in range(half_N):
-                shift = k + prev_half_N - i - 1
-                back[k + i]          = front[k + i] + front[shift]
-                back[k + half_N + i] = (front[k + i] - front[shift]) * cos[i]
-                print ("xf coeff", N, j, i, x, "k/kh", k+i, k+half_N+i)
-            k += prev_half_N
-        temp = front
-        front = back
-        back = temp
-        j = j >> 1
-        step = step << 1
-        prev_half_N = half_N
-
-    half_N = 2
-    prev_half_N = 2
-    j = 2
-
-    print("xform intermediate", front)
-
-    while j < N: # Cycle of Out ButterFly
-        k = 0
-        print ("out", j, N, step, half_N)
-        for x in range(step):
-            for i in range(half_N - 1):
-                back[k + (i << 1)] = front[k + i]
-                back[k + (i << 1) + 1] = (front[k + half_N + i] +
-                                          front[k + half_N + i + 1])
-                print ("  out", j, x, i, "k", k,
-                                "k+i<<1", k+(i<<1), "hh1", k+half_N+i)
-            back[k + ((half_N - 1) << 1)] = front[k + half_N - 1]
-            back[k + (half_N << 1) - 1] = front[k + (half_N << 1) - 1]
-            k += prev_half_N
-
-        temp = front
-        front = back
-        back = temp
-        j = j << 1
-        step = step >> 1
-        half_N = prev_half_N
-        prev_half_N = prev_half_N << 1
-
-    for i in range(N):
-        block[i] = front[i] #// Unload DCT coefficients
-    dN = 2.0
-    #block[0] = block[0] / dN #// Compute DC.
-
-    print("transform2 result", block)
-    return block
-
-
 def itersum_explore(vector, indent=0):
     idt = "   " * indent
     n = len(vector)
-- 
2.30.2