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Comparing libecb/ecb.pod (file contents):
Revision 1.40 by root, Mon May 28 08:28:26 2012 UTC vs.
Revision 1.42 by root, Mon May 28 08:54:03 2012 UTC

… …
58 58
59=head2 TYPES / TYPE SUPPORT 59=head2 TYPES / TYPE SUPPORT
60 60
61ecb.h makes sure that the following types are defined (in the expected way): 61ecb.h makes sure that the following types are defined (in the expected way):
62 62
63 int8_t uint8_t int16_t uint16_t 63 int8_t uint8_t int16_t uint16_t
64 int32_t uint32_t int64_t uint64_t 64 int32_t uint32_t int64_t uint64_t
65 intptr_t uintptr_t 65 intptr_t uintptr_t ptrdiff_t
66 66
67The macro C<ECB_PTRSIZE> is defined to the size of a pointer on this 67The macro C<ECB_PTRSIZE> is defined to the size of a pointer on this
68platform (currently C<4> or C<8>). 68platform (currently C<4> or C<8>).
69 69
70=head2 GCC ATTRIBUTES 70=head2 GCC ATTRIBUTES
… …
436For example: 436For example:
437 437
438 ecb_ctz32 (3) = 0 438 ecb_ctz32 (3) = 0
439 ecb_ctz32 (6) = 1 439 ecb_ctz32 (6) = 1
440 440
441=item bool ecb_is_pot32 (uint32_t x)
442
443=item bool ecb_is_pot64 (uint32_t x)
444
445Return true iff C<x> is a power of two or C<x == 0>.
446
447For smaller types then C<uint32_t> you can safely use C<ecb_is_pot32>.
448
441=item int ecb_ld32 (uint32_t x) 449=item int ecb_ld32 (uint32_t x)
442 450
443=item int ecb_ld64 (uint64_t x) 451=item int ecb_ld64 (uint64_t x)
444 452
445Returns the index of the most significant bit set in C<x>, or the number 453Returns the index of the most significant bit set in C<x>, or the number

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