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Remove hb_set_digest_common_bits_t 

Was unused.
This commit is contained in:
Behdad Esfahbod 2013-04-17 18:20:44 -04:00
parent 0d5798a137
commit f7466ee76f
1 changed files with 0 additions and 38 deletions
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38
src/hb-set-private.hh
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@ -40,44 +40,6 @@
* queries. As a result, our filters have much higher.
*/
struct hb_set_digest_common_bits_t
{
ASSERT_POD ();
typedef unsigned int mask_t;
inline void init (void) {
mask = ~0;
value = (mask_t) -1;
}
inline void add (hb_codepoint_t g) {
if (unlikely (value == (mask_t) -1)) {
value = g;
return;
}
mask ^= (g & mask) ^ value;
value &= mask;
}
inline void add_range (hb_codepoint_t a, hb_codepoint_t b) {
add (a);
/* The negation here stands for ~(x-1). */
mask_t upper_bits = -(1 << _hb_bit_storage (a ^ b));
mask &= upper_bits;
value &= upper_bits;
}
inline bool may_have (hb_codepoint_t g) const {
return (g & mask) == value;
}
private:
mask_t mask;
mask_t value;
};
template <typename mask_t, unsigned int shift>
struct hb_set_digest_lowest_bits_t
{