--- libecb/ecb.pod	2011/06/18 13:37:39	1.36
+++ libecb/ecb.pod	2011/12/10 11:58:38	1.39
@@ -457,6 +457,20 @@
   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)
@@ -523,6 +537,15 @@
    for (m = -100; m <= 100; ++m)
      int elem = myarray [ecb_mod (m, ecb_array_length (myarray))];
 
+=item x = ecb_div_rd (val, div)
+
+=item x = ecb_div_ru (val, div)
+
+Returns C<val> divided by C<div> rounded down or up, respectively.
+C<val> and C<div> must have integer types and C<div> must be strictly
+positive. Note that these functions are implemented with macros in C
+and with function templates in C++.
+
 =back
 
 =head2 UTILITY