4 #include "../int_lib.h"
19 #define LOWORDER(xy,xHi,xLo,yHi,yLo) \
20 (((((xHi)*(yHi) - (xy)) + (xHi)*(yLo)) + (xLo)*(yHi)) + (xLo)*(yLo))
22 static inline double __attribute__((always_inline))
25 doublebits result = { .d = x };
26 result.x &= UINT64_C(0x7fffffffffffffff);
30 static inline double __attribute__((always_inline))
33 doublebits result = { .d = x };
34 result.x &= UINT64_C(0xfffffffff8000000);
38 static inline int __attribute__((always_inline))
39 different_sign(double x, double y)
41 doublebits xsignbit = { .d = x }, ysignbit = { .d = y };
42 int result = (int)(xsignbit.x >> 63) ^ (int)(ysignbit.x >> 63);
46 #endif /* __DD_HEADER */