/usr/local/lib64/python3.6/site-packages/torch/include/c10/util
Edit: /usr/local/lib64/python3.6/site-packages/torch/include/c10/util/env.h (835B)
#pragma once
#include
#include
#include
namespace c10 {
namespace utils {
// Reads an environment variable and returns
// - optional, if set equal to "1"
// - optional, if set equal to "0"
// - nullopt, otherwise
//
// NB:
// Issues a warning if the value of the environment variable is not 0 or 1.
inline optional check_env(const char* name) {
auto envar = std::getenv(name);
if (envar) {
if (strcmp(envar, "0") == 0) {
return false;
}
if (strcmp(envar, "1") == 0) {
return true;
}
TORCH_WARN(
"Ignoring invalid value for boolean flag ",
name,
": ",
envar,
"valid values are 0 or 1.");
}
return c10::nullopt;
}
} // namespace utils
} // namespace c10