Minor
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@ -45,12 +45,14 @@ struct hb_set_digest_lowest_bits_t
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{
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{
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ASSERT_POD ();
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ASSERT_POD ();
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static const unsigned int mask_bytes = sizeof (mask_t);
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static const unsigned int mask_bits = sizeof (mask_t) * 8;
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static const unsigned int num_bits = 0
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static const unsigned int num_bits = 0
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+ (sizeof (mask_t) >= 1 ? 3 : 0)
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+ (mask_bytes >= 1 ? 3 : 0)
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+ (sizeof (mask_t) >= 2 ? 1 : 0)
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+ (mask_bytes >= 2 ? 1 : 0)
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+ (sizeof (mask_t) >= 4 ? 1 : 0)
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+ (mask_bytes >= 4 ? 1 : 0)
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+ (sizeof (mask_t) >= 8 ? 1 : 0)
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+ (mask_bytes >= 8 ? 1 : 0)
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+ (sizeof (mask_t) >= 16? 1 : 0)
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+ (mask_bytes >= 16? 1 : 0)
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+ 0;
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+ 0;
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ASSERT_STATIC (shift < sizeof (hb_codepoint_t) * 8);
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ASSERT_STATIC (shift < sizeof (hb_codepoint_t) * 8);
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@ -65,7 +67,7 @@ struct hb_set_digest_lowest_bits_t
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}
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}
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inline void add_range (hb_codepoint_t a, hb_codepoint_t b) {
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inline void add_range (hb_codepoint_t a, hb_codepoint_t b) {
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if ((b >> shift) - (a >> shift) >= sizeof (mask_t) * 8 - 1)
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if ((b >> shift) - (a >> shift) >= mask_bits - 1)
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mask = (mask_t) -1;
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mask = (mask_t) -1;
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else {
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else {
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mask_t ma = mask_for (a);
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mask_t ma = mask_for (a);
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@ -81,7 +83,7 @@ struct hb_set_digest_lowest_bits_t
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private:
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private:
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static inline mask_t mask_for (hb_codepoint_t g) {
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static inline mask_t mask_for (hb_codepoint_t g) {
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return ((mask_t) 1) << ((g >> shift) & (sizeof (mask_t) * 8 - 1));
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return ((mask_t) 1) << ((g >> shift) & (mask_bits - 1));
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}
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}
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mask_t mask;
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mask_t mask;
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};
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};
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