--- libecb/ecb.pod	2011/08/25 16:06:08	1.38
+++ libecb/ecb.pod	2012/05/28 08:40:25	1.41
@@ -56,6 +56,17 @@
 is usually implemented as a macro. Specifically, a "bool" in this manual
 refers to any kind of boolean value, not a specific type.
 
+=head2 TYPES / TYPE SUPPORT
+
+ecb.h makes sure that the following types are defined (in the expected way):
+
+   int8_t  uint8_t  int16_t uint16_t
+   int32_t uint32_t int64_t uint64_t
+   intptr_t         uintptr_t
+
+The macro C<ECB_PTRSIZE> is defined to the size of a pointer on this
+platform (currently C<4> or C<8>).
+
 =head2 GCC ATTRIBUTES
 
 A major part of libecb deals with GCC attributes. These are additional
@@ -427,6 +438,14 @@
   ecb_ctz32 (3) = 0
   ecb_ctz32 (6) = 1
 
+=item bool ecb_is_pot32 (uint32_t x)
+
+=item bool ecb_is_pot64 (uint32_t x)
+
+Return true iff C<x> is a power of two or C<x == 0>.
+
+For smaller types then C<uint32_t> you can safely use C<ecb_is_pot32>.
+
 =item int ecb_ld32 (uint32_t x)
 
 =item int ecb_ld64 (uint64_t x)
@@ -457,6 +476,20 @@
   ecb_popcount32 (7) = 3
   ecb_popcount32 (255) = 8
 
+=item uint8_t  ecb_bitrev8  (uint8_t  x)
+
+=item uint16_t ecb_bitrev16 (uint16_t x)
+
+=item uint32_t ecb_bitrev32 (uint32_t x)
+
+Reverses the bits in x, i.e. the MSB becomes the LSB, MSB-1 becomes LSB+1
+and so on.
+
+Example:
+
+   ecb_bitrev8 (0xa7) = 0xea
+   ecb_bitrev32 (0xffcc4411) = 0x882233ff
+
 =item uint32_t ecb_bswap16 (uint32_t x)
 
 =item uint32_t ecb_bswap32 (uint32_t x)