diff --git a/vlib/bf/bf.v b/vlib/bitfield/bitfield.v similarity index 98% rename from vlib/bf/bf.v rename to vlib/bitfield/bitfield.v index daaa6bc063..8d756e855a 100644 --- a/vlib/bf/bf.v +++ b/vlib/bitfield/bitfield.v @@ -1,7 +1,7 @@ -module bf +module bitfield /* -bf (BitField) is a module (shared library for V programming language) for +bitfield is a module for manipulating arrays of bits, i.e. series of zeroes and ones spread across an array of storage units (unsigned 32-bit integers). @@ -20,7 +20,7 @@ mut: field []u32 } -// helper functions +// helper functions const ( SLOT_SIZE = 32 ) @@ -63,19 +63,19 @@ fn min(input1 int, input2 int) int { fn bitnslots(length int) int { return (length - 1) / SLOT_SIZE + 1 -} +} fn cleartail(instance mut BitField) { tail := instance.size % SLOT_SIZE if tail != 0 { - // create a mask for the tail + // create a mask for the tail mask := u32((1 << tail) - 1) - // clear the extra bits + // clear the extra bits instance.field[bitnslots(instance.size) - 1] = instance.field[bitnslots(instance.size) - 1] & mask } } -// public functions +// public functions // str2bf() converts a string of characters ('0' and '1') to a bit // array. Any character different from '0' is treated as '1'. @@ -110,7 +110,7 @@ pub fn (input BitField) string() string { pub fn new(size int) BitField { output := BitField{ - size: size + size: size //field: *u32(calloc(bitnslots(size) * SLOT_SIZE / 8)) field: [u32(0); bitnslots(size)] } @@ -383,7 +383,7 @@ pub fn (haystack BitField) pos(needle BitField) int { return -1 } -// slice() return a sub-array of bits between 'start_bit_nr' (included) and +// slice() return a sub-array of bits between 'start_bit_nr' (included) and // 'end_bit_nr' (excluded) pub fn (input BitField) slice(_start int, _end int) BitField { diff --git a/vlib/bf/bf_test.v b/vlib/bitfield/bitfield_test.v similarity index 99% rename from vlib/bf/bf_test.v rename to vlib/bitfield/bitfield_test.v index 9fb3516ce1..b30e992be1 100644 --- a/vlib/bf/bf_test.v +++ b/vlib/bitfield/bitfield_test.v @@ -1,4 +1,4 @@ -import bf +import bitfield import rand import time