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Comparing libecb/ecb.h (file contents):
Revision 1.142 by root, Thu Oct 16 14:45:44 2014 UTC vs.
Revision 1.150 by root, Thu Oct 30 07:21:42 2014 UTC

… …
98 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) 98 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
99#endif 99#endif
100 100
101#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor))) 101#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
102 102
103#if __clang__ && defined(__has_builtin) 103#if __clang__ && defined __has_builtin
104 #define ECB_CLANG_BUILTIN(x) __has_builtin(x) 104 #define ECB_CLANG_BUILTIN(x) __has_builtin (x)
105#else 105#else
106 #define ECB_CLANG_BUILTIN(x) 0 106 #define ECB_CLANG_BUILTIN(x) 0
107#endif 107#endif
108 108
109#if __clang__ && defined(__has_extension) 109#if __clang__ && defined __has_extension
110 #define ECB_CLANG_EXTENSION(x) __has_extension(x) 110 #define ECB_CLANG_EXTENSION(x) __has_extension (x)
111#else 111#else
112 #define ECB_CLANG_EXTENSION(x) 0 112 #define ECB_CLANG_EXTENSION(x) 0
113#endif 113#endif
114 114
115#define ECB_CPP (__cplusplus+0) 115#define ECB_CPP (__cplusplus+0)
… …
278 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 278 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
279#endif 279#endif
280 280
281/*****************************************************************************/ 281/*****************************************************************************/
282 282
283#if __cplusplus 283#if ECB_CPP
284 #define ecb_inline static inline 284 #define ecb_inline static inline
285#elif ECB_GCC_VERSION(2,5) 285#elif ECB_GCC_VERSION(2,5)
286 #define ecb_inline static __inline__ 286 #define ecb_inline static __inline__
287#elif ECB_C99 287#elif ECB_C99
288 #define ecb_inline static inline 288 #define ecb_inline static inline
… …
334#else 334#else
335 #define ecb_prefetch(addr,rw,locality) 335 #define ecb_prefetch(addr,rw,locality)
336#endif 336#endif
337 337
338/* no emulation for ecb_decltype */ 338/* no emulation for ecb_decltype */
339#if ECB_GCC_VERSION(4,5) 339#if ECB_CPP11
340 // older implementations might have problems with decltype(x)::type, work around it
341 template<class T> struct ecb_decltype_t { typedef T type; };
340 #define ecb_decltype(x) __decltype (x) 342 #define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
341#elif ECB_GCC_VERSION(3,0) 343#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
342 #define ecb_decltype(x) __typeof (x) 344 #define ecb_decltype(x) __typeof__ (x)
343#elif ECB_CPP11
344 #define ecb_decltype(x) decltype (x)
345#endif 345#endif
346 346
347#if _MSC_VER >= 1300 347#if _MSC_VER >= 1300
348 #define ecb_deprecated __declspec(deprecated) 348 #define ecb_deprecated __declspec (deprecated)
349#else 349#else
350 #define ecb_deprecated ecb_attribute ((__deprecated__)) 350 #define ecb_deprecated ecb_attribute ((__deprecated__))
351#endif 351#endif
352 352
353#define ecb_noinline ecb_attribute ((__noinline__)) 353#define ecb_noinline ecb_attribute ((__noinline__))
354#define ecb_unused ecb_attribute ((__unused__)) 354#define ecb_unused ecb_attribute ((__unused__))
355#define ecb_const ecb_attribute ((__const__)) 355#define ecb_const ecb_attribute ((__const__))
356#define ecb_pure ecb_attribute ((__pure__)) 356#define ecb_pure ecb_attribute ((__pure__))
357 357
358/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */ 358/* TODO http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */
359#if ECB_C11 359#if ECB_C11 || __IBMC_NORETURN
360 /* http://pic.dhe.ibm.com/infocenter/compbg/v121v141/topic/com.ibm.xlcpp121.bg.doc/language_ref/noreturn.html */
360 #define ecb_noreturn _Noreturn 361 #define ecb_noreturn _Noreturn
361#else 362#else
362 #define ecb_noreturn ecb_attribute ((__noreturn__)) 363 #define ecb_noreturn ecb_attribute ((__noreturn__))
363#endif 364#endif
364 365
… …
599 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) 600 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
600#else 601#else
601 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) 602 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
602#endif 603#endif
603 604
604#if __cplusplus 605#if ECB_CPP
605 template<typename T> 606 template<typename T>
606 static inline T ecb_div_rd (T val, T div) 607 static inline T ecb_div_rd (T val, T div)
607 { 608 {
608 return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; 609 return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
609 } 610 }
… …
669 #define ECB_NAN NAN 670 #define ECB_NAN NAN
670 #else 671 #else
671 #define ECB_NAN ECB_INFINITY 672 #define ECB_NAN ECB_INFINITY
672 #endif 673 #endif
673 674
675 #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
676 #define ecb_ldexpf(x,e) ldexpf ((x), (e))
677 #else
678 #define ecb_ldexpf(x,e) (float) ldexp ((x), (e))
679 #endif
680
674 /* converts an ieee half/binary16 to a float */ 681 /* converts an ieee half/binary16 to a float */
675 ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const; 682 ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;
676 ecb_function_ float 683 ecb_function_ float
677 ecb_binary16_to_float (uint16_t x) 684 ecb_binary16_to_float (uint16_t x)
678 { 685 {
679 int e = (x >> 10) & 0x1f; 686 int e = (x >> 10) & 0x1f;
680 int m = x & 0x3ff; 687 int m = x & 0x3ff;
681 float r; 688 float r;
682 689
683 if (!e ) r = ldexpf (m , -24); 690 if (!e ) r = ecb_ldexpf (m , -24);
684 else if (e != 31) r = ldexpf (m + 0x400, e - 25); 691 else if (e != 31) r = ecb_ldexpf (m + 0x400, e - 25);
685 else if (m ) r = ECB_NAN; 692 else if (m ) r = ECB_NAN;
686 else r = ECB_INFINITY; 693 else r = ECB_INFINITY;
687 694
688 return x & 0x8000 ? -r : r; 695 return x & 0x8000 ? -r : r;
689 } 696 }
… …
748 x |= 0x800000U; 755 x |= 0x800000U;
749 else 756 else
750 e = 1; 757 e = 1;
751 758
752 /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ 759 /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
753 r = ldexpf (x * (0.5f / 0x800000U), e - 126); 760 r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
754 761
755 r = neg ? -r : r; 762 r = neg ? -r : r;
756 #endif 763 #endif
757 764
758 return r; 765 return r;

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