diff options
Diffstat (limited to 'src/internal/libm.h')
| -rw-r--r-- | src/internal/libm.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/internal/libm.h b/src/internal/libm.h index 64cc8388..52ac61ec 100644 --- a/src/internal/libm.h +++ b/src/internal/libm.h @@ -17,6 +17,7 @@ #include <float.h> #include <math.h> #include <complex.h> +#include <endian.h> #include "longdbl.h" @@ -32,6 +33,33 @@ union dshape { uint64_t bits; }; +#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024 +#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384 && __BYTE_ORDER == __LITTLE_ENDIAN +union ldshape { + long double f; + struct { + uint64_t m; + uint16_t se; + } i; +}; +#elif LDBL_MANT_DIG == 113 && LDBL_MAX_EXP == 16384 && __BYTE_ORDER == __LITTLE_ENDIAN +union ldshape { + long double f; + struct { + uint64_t lo; + uint32_t mid; + uint16_t top; + uint16_t se; + } i; + struct { + uint64_t lo; + uint64_t hi; + } i2; +}; +#else +#error Unsupported long double representation +#endif + #define FORCE_EVAL(x) do { \ if (sizeof(x) == sizeof(float)) { \ volatile float __x; \ |