#include "libpspp/assertion.h"
#include "libpspp/integer-format.h"
-#include "gl/error.h"
\f
/* Neutral intermediate representation for binary floating-point numbers. */
struct fp
static void extract_number (enum float_format, const void *, struct fp *);
static void assemble_number (enum float_format, struct fp *, void *);
-static inline uint16_t get_uint16 (const void *);
static inline uint32_t get_uint32 (const void *);
static inline uint64_t get_uint64 (const void *);
-static inline void put_uint16 (uint16_t, void *);
static inline void put_uint32 (uint32_t, void *);
static inline void put_uint64 (uint64_t, void *);
return (x >> ofs) & ((UINT64_C(1) << cnt) - 1);
}
-/* Returns the 16-bit unsigned integer at P,
- which need not be aligned. */
-static inline uint16_t
-get_uint16 (const void *p)
-{
- uint16_t x;
- memcpy (&x, p, sizeof x);
- return x;
-}
-
-/* Returns the 32-bit unsigned integer at P,
- which need not be aligned. */
-static inline uint32_t
-get_uint32 (const void *p)
-{
- uint32_t x;
- memcpy (&x, p, sizeof x);
- return x;
-}
-
-/* Returns the 64-bit unsigned integer at P,
- which need not be aligned. */
-static inline uint64_t
-get_uint64 (const void *p)
-{
- uint64_t x;
- memcpy (&x, p, sizeof x);
- return x;
-}
-
-/* Stores 16-bit unsigned integer X at P,
- which need not be aligned. */
-static inline void
-put_uint16 (uint16_t x, void *p)
-{
- memcpy (p, &x, sizeof x);
-}
-
-/* Stores 32-bit unsigned integer X at P,
- which need not be aligned. */
-static inline void
-put_uint32 (uint32_t x, void *p)
-{
- memcpy (p, &x, sizeof x);
-}
-
-/* Stores 64-bit unsigned integer X at P,
- which need not be aligned. */
-static inline void
-put_uint64 (uint64_t x, void *p)
-{
- memcpy (p, &x, sizeof x);
-}
-
-/* Returns NATIVE converted to a form that, when stored in
- memory, will be in little-endian byte order. */
-static inline uint16_t
-native_to_le16 (uint16_t native)
-{
- return INTEGER_NATIVE == INTEGER_LSB_FIRST ? native : bswap_16 (native);
-}
-
-/* Returns NATIVE converted to a form that, when stored in
- memory, will be in big-endian byte order. */
-static inline uint16_t
-native_to_be16 (uint16_t native)
-{
- return INTEGER_NATIVE == INTEGER_MSB_FIRST ? native : bswap_16 (native);
-}
-
-/* Returns NATIVE converted to a form that, when stored in
- memory, will be in VAX-endian byte order. */
-static inline uint16_t
-native_to_vax16 (uint16_t native)
-{
- return native_to_le16 (native);
-}
-
-/* Returns NATIVE converted to a form that, when stored in
- memory, will be in little-endian byte order. */
-static inline uint32_t
-native_to_le32 (uint32_t native)
-{
- return INTEGER_NATIVE == INTEGER_LSB_FIRST ? native : bswap_32 (native);
-}
-
-/* Returns NATIVE converted to a form that, when stored in
- memory, will be in big-endian byte order. */
-static inline uint32_t
-native_to_be32 (uint32_t native)
-{
- return INTEGER_NATIVE == INTEGER_MSB_FIRST ? native : bswap_32 (native);
-}
-
/* Returns NATIVE converted to a form that, when stored in
memory, will be in VAX-endian byte order. */
static inline uint32_t
((native & 0x00ff00ff) << 8));
}
-/* Returns NATIVE converted to a form that, when stored in
- memory, will be in little-endian byte order. */
-static inline uint64_t
-native_to_le64 (uint64_t native)
-{
- return INTEGER_NATIVE == INTEGER_LSB_FIRST ? native : bswap_64 (native);
-}
-
-/* Returns NATIVE converted to a form that, when stored in
- memory, will be in big-endian byte order. */
-static inline uint64_t
-native_to_be64 (uint64_t native)
-{
- return INTEGER_NATIVE == INTEGER_MSB_FIRST ? native : bswap_64 (native);
-}
-
/* Returns NATIVE converted to a form that, when stored in
memory, will be in VAX-endian byte order. */
static inline uint64_t
((native & UINT64_C(0x0000000000ff00ff)) << 40));
}
-/* Given LE, obtained from memory in little-endian format,
- returns its value. */
-static inline uint16_t
-le_to_native16 (uint16_t le)
-{
- return INTEGER_NATIVE == INTEGER_LSB_FIRST ? le : bswap_16 (le);
-}
-
-/* Given BE, obtained from memory in big-endian format, returns
- its value. */
-static inline uint16_t
-be_to_native16 (uint16_t be)
-{
- return INTEGER_NATIVE == INTEGER_MSB_FIRST ? be : bswap_16 (be);
-}
-
-/* Given VAX, obtained from memory in VAX-endian format, returns
- its value. */
-static inline uint16_t
-vax_to_native16 (uint16_t vax)
-{
- return le_to_native16 (vax);
-}
-
-/* Given LE, obtained from memory in little-endian format,
- returns its value. */
-static inline uint32_t
-le_to_native32 (uint32_t le)
-{
- return INTEGER_NATIVE == INTEGER_LSB_FIRST ? le : bswap_32 (le);
-}
-
-/* Given BE, obtained from memory in big-endian format, returns
- its value. */
-static inline uint32_t
-be_to_native32 (uint32_t be)
-{
- return INTEGER_NATIVE == INTEGER_MSB_FIRST ? be : bswap_32 (be);
-}
-
/* Given VAX, obtained from memory in VAX-endian format, returns
its value. */
static inline uint32_t
return ((be & 0xff00ff00) >> 8) | ((be & 0x00ff00ff) << 8);
}
-/* Given LE, obtained from memory in little-endian format,
- returns its value. */
-static inline uint64_t
-le_to_native64 (uint64_t le)
-{
- return INTEGER_NATIVE == INTEGER_LSB_FIRST ? le : bswap_64 (le);
-}
-
-/* Given BE, obtained from memory in big-endian format, returns
- its value. */
-static inline uint64_t
-be_to_native64 (uint64_t be)
-{
- return INTEGER_NATIVE == INTEGER_MSB_FIRST ? be : bswap_64 (be);
-}
-
/* Given VAX, obtained from memory in VAX-endian format, returns
its value. */
static inline uint64_t
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