Install_win10.md

install cond norm in win10

Follow these steps to install under win10.(test passed with win10, VS2017, pytorch 1.2)

1. call Visual Studio environment, run command like this:

{VS_HOME}\2017\Community\VC\Auxiliary\Build\vcvars64.bat
set %INCLUDE%=.;%INCLUDE%

2. if use win10 with non english version, do this.
   open file {PythonEnvPath}\lib\site-packages\torch\utils\cpp_extension.py
   change decode scheme at line 185 under function check_compiler_abi_compatibility
   eg. 'gbk' in Chinese like:

match = re.search(r'(\d+)\.(\d+)\.(\d+)', compiler_info.decode().strip())
match = re.search(r'(\d+)\.(\d+)\.(\d+)', compiler_info.decode(' gbk').strip())

3. modify some c++ header.
   file1: {PythonEnvPath}\Lib\site-packages\torch\include\torch\csrc\jit\argument_spec.h (line 181)
   static constexpr size_t DEPTH_LIMIT = 128; --> static const size_t DEPTH_LIMIT = 128;
   file2: {PythonEnvPath}\Lib\site-packages\torch\include\pybind11\cast.h(line 1449)
   explicit operator type&() { return *(this->value); } --> explicit operator type&() { return *((type*)this->value); }

4. compile and install as ReadMe

cd ./xcn_cuda
python setup.py build
python setup.py install