#ifndef _FENV_H #define _FENV_H #if defined(__i386__) # include #elif defined(__x86_64__) # include #elif defined(__arm__) # include #elif defined(__aarch64__) # include #elif defined(__POWERPC__) # include #elif defined(__riscv64__) # include #elif defined(__sparc__) # include #elif defined(__M68K__) # include #else # error There is no fenv.h for this architecture! #endif #endif /* _FENV_H */