Merge commit 'fe3ce96d88108e2bf04fef5144aef6799bff0fd4' as 'third_party/ceres'

Change-Id: If68cedf50907419e1e91f92f7ae9945d7357dc7b
diff --git a/third_party/ceres/examples/BUILD b/third_party/ceres/examples/BUILD
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+# Ceres Solver - A fast non-linear least squares minimizer
+# Copyright 2018 Google Inc. All rights reserved.
+# http://ceres-solver.org/
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# * Redistributions of source code must retain the above copyright notice,
+#   this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright notice,
+#   this list of conditions and the following disclaimer in the documentation
+#   and/or other materials provided with the distribution.
+# * Neither the name of Google Inc. nor the names of its contributors may be
+#   used to endorse or promote products derived from this software without
+#   specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# Author: mierle@gmail.com (Keir Mierle)
+
+EXAMPLE_COPTS = [
+    # Needed to silence GFlags complaints.
+    "-Wno-sign-compare",
+    "-Wno-unused-parameter",
+    "-Wno-format-nonliteral",
+]
+
+EXAMPLE_DEPS = [
+    "//:ceres",
+    "@//third_party/eigen",
+    "@com_github_gflags_gflags//:gflags",
+]
+
+cc_binary(
+    name = "bundle_adjuster",
+    srcs = [
+        "bal_problem.cc",
+        "bal_problem.h",
+        "bundle_adjuster.cc",
+        "random.h",
+        "snavely_reprojection_error.h",
+    ],
+    copts = EXAMPLE_COPTS,
+    deps = EXAMPLE_DEPS,
+)
+
+cc_binary(
+    name = "denoising",
+    srcs = [
+        "denoising.cc",
+        "fields_of_experts.cc",
+        "fields_of_experts.h",
+        "pgm_image.h",
+    ],
+    copts = EXAMPLE_COPTS,
+    deps = EXAMPLE_DEPS,
+)
+
+cc_binary(
+    name = "robot_pose_mle",
+    srcs = [
+        "random.h",
+        "robot_pose_mle.cc",
+    ],
+    copts = EXAMPLE_COPTS,
+    deps = EXAMPLE_DEPS,
+)
+
+cc_binary(
+    name = "pose_graph_2d",
+    srcs = [
+        "slam/common/read_g2o.h",
+        "slam/pose_graph_2d/angle_local_parameterization.h",
+        "slam/pose_graph_2d/normalize_angle.h",
+        "slam/pose_graph_2d/pose_graph_2d.cc",
+        "slam/pose_graph_2d/pose_graph_2d_error_term.h",
+        "slam/pose_graph_2d/types.h",
+    ],
+    copts = EXAMPLE_COPTS,
+    includes = ["slam"],
+    deps = EXAMPLE_DEPS,
+)
+
+cc_binary(
+    name = "pose_graph_3d",
+    srcs = [
+        "slam/common/read_g2o.h",
+        "slam/pose_graph_3d/pose_graph_3d.cc",
+        "slam/pose_graph_3d/pose_graph_3d_error_term.h",
+        "slam/pose_graph_3d/types.h",
+    ],
+    copts = EXAMPLE_COPTS,
+    includes = ["slam"],
+    deps = EXAMPLE_DEPS,
+)
+
+[cc_binary(
+    name = example,
+    srcs = [example + ".cc"],
+    copts = EXAMPLE_COPTS,
+    deps = EXAMPLE_DEPS,
+) for example in [
+    "circle_fit",
+    "curve_fitting",
+    "ellipse_approximation",
+    "helloworld",
+    "helloworld_analytic_diff",
+    "helloworld_numeric_diff",
+    "libmv_bundle_adjuster",
+    "libmv_homography",
+    "more_garbow_hillstrom",
+    "nist",
+    "powell",
+    "robust_curve_fitting",
+    "rosenbrock",
+    "sampled_function/sampled_function",
+    "simple_bundle_adjuster",
+]]