remove accidentally-checked-in file

examples/fluidsim.py

@@ -1,38 +0,0 @@
-# Copyright 2018 Google LLC
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     https://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-
-def project(vx, vy):
-  h = 1. / vx.shape[0]
-  div = -0.5 * h * (np.roll(vx, -1, axis=0) - np.roll(vx, 1, axis=0) +
-                    np.roll(vy, -1, axis=1) - np.roll(vy, 1, axis=1))
-
-  p = np.zeros(vx.shape)
-  for k in range(10):
-    p = (div + np.roll(p, 1, axis=0) + np.roll(p, -1, axis=0)
-             + np.roll(p, 1, axis=1) + np.roll(p, -1, axis=1)) / 4.
-
-  vx = vx - 0.5 * (np.roll(p, -1, axis=0) - np.roll(p, 1, axis=0)) / h
-  vy = vy - 0.5 * (np.roll(p, -1, axis=1) - np.roll(p, 1, axis=1)) / h
-  return vx, vy
-
-def advect(f, vx, vy):
-  rows, cols = f.shape
-  cell_ys, cell_xs = np.meshgrid(np.arange(rows), np.arange(cols))
-  return linear_interpolate(f, cell_xs - vx, cell_ys - vy)
-
-def linear_interpolate(