/* clang-format off */ #include "third_party/python/Include/Python.h" #ifdef X87_DOUBLE_ROUNDING /* On x86 platforms using an x87 FPU, this function is called from the Py_FORCE_DOUBLE macro (defined in pymath.h) to force a floating-point number out of an 80-bit x87 FPU register and into a 64-bit memory location, thus rounding from extended precision to double precision. */ double _Py_force_double(double x) { volatile double y; y = x; return y; } #endif #ifdef HAVE_GCC_ASM_FOR_X87 /* inline assembly for getting and setting the 387 FPU control word on gcc/x86 */ #ifdef _Py_MEMORY_SANITIZER __attribute__((no_sanitize_memory)) #endif unsigned short _Py_get_387controlword(void) { unsigned short cw; __asm__ __volatile__ ("fnstcw %0" : "=m" (cw)); return cw; } void _Py_set_387controlword(unsigned short cw) { __asm__ __volatile__ ("fldcw %0" : : "m" (cw)); } #endif