cmake_minimum_required(VERSION 3.18)
project(cancer_trainer LANGUAGES CXX CUDA)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CUDA_STANDARD 17)

if (MSVC)
  add_compile_options(/O2 /W4)
else()
  add_compile_options(-O3 -ffast-math -fno-math-errno -fno-trapping-math -Wall -Wextra -Wno-unused-parameter)
endif()

enable_language(CUDA)
set(CMAKE_CUDA_ARCHITECTURES 75 80 86) # Turing, Ampere

find_package(CUDAToolkit REQUIRED)
add_definitions(-D_FORCE_INLINES)

# Tell CMake where to find stb_image.h
target_include_directories(cancer_trainer PRIVATE vendor)

file(GLOB SRC "src/*.cpp" "src/*.hpp" "src/*.cu")
add_executable(cancer_trainer ${SRC})
target_link_libraries(cancer_trainer PRIVATE CUDA::cudart CUDA::cufft)
target_compile_options(cancer_trainer PRIVATE $<$<COMPILE_LANGUAGE:CUDA>:-use_fast_math>)

# Define STB_IMAGE_IMPLEMENTATION in only one compilation unit
set_source_files_properties(src/data_loader.cpp PROPERTIES
    COMPILE_DEFINITIONS STB_IMAGE_IMPLEMENTATION
)```

#### `vendor/stb_image.h`
*Descarga y coloca el fichero `stb_image.h` de la [fuente oficial](https://github.com/nothings/stb/blob/master/stb_image.h) en esta carpeta.*

#### `src/utils.hpp`
```cpp
#pragma once
#include <string>
#include <vector>
#include <cuda_runtime.h>

void check_cuda(cudaError_t st, const char* msg);
void write_submission_csv(const std::string& path,
                          const std::vector<std::string>& ids,
                          const std::vector<float>& probabilities);