[Diffusion] Add C++ dpm solver (#714)

* Add BetaForAlphaBar, ConvertModelOutput, SetTimesteps, and constructor for DPMSolverMultistepScheduler

* tmp

* Add DPMSolverFirstOrderUpdate

* Add ScaleModelInput

* Add MultiStepDPMSolverSecondOrderUpdate

* add MultiStepDPMSolverThirdOrderUpdate

* Add Step

* Add FASTDEPLOY_DECL

* Add AddNoise

* Fix operator

* update

* Fix DPMSolverMultistepScheduler

* Upgrade Slice

* Fix DPMSolverFirstOrderUpdate

* remove FASTDEPLOY_DECL

* Add config for dpm solver

examples/multimodal/stable_diffusion/cpp/CMakeLists.txt

@@ -0,0 +1,27 @@
+# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
+#
+# 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
+#
+# http://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.
+
+PROJECT(main C CXX)
+CMAKE_MINIMUM_REQUIRED (VERSION 3.10)
+
+option(FASTDEPLOY_INSTALL_DIR "Path of downloaded fastdeploy sdk.")
+set(THIRD_LIBS "")
+include(${FASTDEPLOY_INSTALL_DIR}/FastDeploy.cmake)
+
+include_directories(${FASTDEPLOY_INCS})
+
+file(GLOB_RECURSE ALL_SRCS ${PROJECT_SOURCE_DIR}/*.cc)
+
+add_executable(main ${ALL_SRCS})
+target_link_libraries(main ${FASTDEPLOY_LIBS} ${THIRD_LIBS})