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authorTyge Løvset <[email protected]>2023-04-18 17:48:47 +0200
committerTyge Løvset <[email protected]>2023-04-18 17:48:47 +0200
commita913490c248f6cfdca3481d81d6d344f4d066cb9 (patch)
treeb805826d496a8d5c8a449731b6c8bc3b1d056979 /include/stc/cbits.h
parent462adebf55c77697fbb379a62941c00b876c3f6a (diff)
downloadSTC-modified-a913490c248f6cfdca3481d81d6d344f4d066cb9.tar.gz
STC-modified-a913490c248f6cfdca3481d81d6d344f4d066cb9.zip
Removed unneeded custom size type in maps and bits.h. Prepared for possible robin-hood impl.
Improved sso_bench.c testing string hash - twice as fast as m.ankeln robin impl !?.
Diffstat (limited to 'include/stc/cbits.h')
-rw-r--r--include/stc/cbits.h70
1 files changed, 33 insertions, 37 deletions
diff --git a/include/stc/cbits.h b/include/stc/cbits.h
index 826df847..19e281a8 100644
--- a/include/stc/cbits.h
+++ b/include/stc/cbits.h
@@ -54,11 +54,8 @@ int main() {
#include <stdlib.h>
#include <string.h>
-#ifndef i_ssize
-#define i_ssize intptr_t
-#endif
#define _cbits_bit(i) ((uint64_t)1 << ((i) & 63))
-#define _cbits_words(n) (i_ssize)(((n) + 63)>>6)
+#define _cbits_words(n) (int64_t)(((n) + 63)>>6)
#define _cbits_bytes(n) (_cbits_words(n) * c_sizeof(uint64_t))
#if defined(__GNUC__)
@@ -80,23 +77,23 @@ int main() {
}
#endif
-STC_INLINE i_ssize _cbits_count(const uint64_t* set, const i_ssize sz) {
- const i_ssize n = sz>>6;
- i_ssize count = 0;
- for (i_ssize i = 0; i < n; ++i)
+STC_INLINE int64_t _cbits_count(const uint64_t* set, const int64_t sz) {
+ const int64_t n = sz>>6;
+ int64_t count = 0;
+ for (int64_t i = 0; i < n; ++i)
count += cpopcount64(set[i]);
if (sz & 63)
count += cpopcount64(set[n] & (_cbits_bit(sz) - 1));
return count;
}
-STC_INLINE char* _cbits_to_str(const uint64_t* set, const i_ssize sz,
- char* out, i_ssize start, i_ssize stop) {
+STC_INLINE char* _cbits_to_str(const uint64_t* set, const int64_t sz,
+ char* out, int64_t start, int64_t stop) {
if (stop > sz) stop = sz;
assert(start <= stop);
c_memset(out, '0', stop - start);
- for (i_ssize i = start; i < stop; ++i)
+ for (int64_t i = start; i < stop; ++i)
if ((set[i>>6] & _cbits_bit(i)) != 0)
out[i - start] = '1';
out[stop - start] = '\0';
@@ -104,8 +101,8 @@ STC_INLINE char* _cbits_to_str(const uint64_t* set, const i_ssize sz,
}
#define _cbits_OPR(OPR, VAL) \
- const i_ssize n = sz>>6; \
- for (i_ssize i = 0; i < n; ++i) \
+ const int64_t n = sz>>6; \
+ for (int64_t i = 0; i < n; ++i) \
if ((set[i] OPR other[i]) != VAL) \
return false; \
if (!(sz & 63)) \
@@ -113,10 +110,10 @@ STC_INLINE char* _cbits_to_str(const uint64_t* set, const i_ssize sz,
const uint64_t i = (uint64_t)n, m = _cbits_bit(sz) - 1; \
return ((set[i] OPR other[i]) & m) == (VAL & m)
-STC_INLINE bool _cbits_subset_of(const uint64_t* set, const uint64_t* other, const i_ssize sz)
+STC_INLINE bool _cbits_subset_of(const uint64_t* set, const uint64_t* other, const int64_t sz)
{ _cbits_OPR(|, set[i]); }
-STC_INLINE bool _cbits_disjoint(const uint64_t* set, const uint64_t* other, const i_ssize sz)
+STC_INLINE bool _cbits_disjoint(const uint64_t* set, const uint64_t* other, const int64_t sz)
{ _cbits_OPR(&, 0); }
#endif // CBITS_H_INCLUDED
@@ -128,12 +125,12 @@ STC_INLINE bool _cbits_disjoint(const uint64_t* set, const uint64_t* other, cons
#define _i_assert(x) assert(x)
#define i_type cbits
-struct { uint64_t *data64; i_ssize _size; } typedef i_type;
+struct { uint64_t *data64; int64_t _size; } typedef i_type;
STC_INLINE cbits cbits_init(void) { return c_LITERAL(cbits){NULL}; }
STC_INLINE void cbits_create(cbits* self) { self->data64 = NULL; self->_size = 0; }
STC_INLINE void cbits_drop(cbits* self) { c_free(self->data64); }
-STC_INLINE i_ssize cbits_size(const cbits* self) { return self->_size; }
+STC_INLINE int64_t cbits_size(const cbits* self) { return self->_size; }
STC_INLINE cbits* cbits_take(cbits* self, cbits other) {
if (self->data64 != other.data64) {
@@ -144,7 +141,7 @@ STC_INLINE cbits* cbits_take(cbits* self, cbits other) {
}
STC_INLINE cbits cbits_clone(cbits other) {
- const i_ssize bytes = _cbits_bytes(other._size);
+ const int64_t bytes = _cbits_bytes(other._size);
cbits set = {(uint64_t *)c_memcpy(c_malloc(bytes), other.data64, bytes), other._size};
return set;
}
@@ -158,8 +155,8 @@ STC_INLINE cbits* cbits_copy(cbits* self, const cbits* other) {
return self;
}
-STC_INLINE void cbits_resize(cbits* self, const i_ssize size, const bool value) {
- const i_ssize new_n = _cbits_words(size), osize = self->_size, old_n = _cbits_words(osize);
+STC_INLINE void cbits_resize(cbits* self, const int64_t size, const bool value) {
+ const int64_t new_n = _cbits_words(size), osize = self->_size, old_n = _cbits_words(osize);
self->data64 = (uint64_t *)c_realloc(self->data64, new_n*8);
self->_size = size;
if (new_n >= old_n) {
@@ -181,13 +178,13 @@ STC_INLINE cbits cbits_move(cbits* self) {
return tmp;
}
-STC_INLINE cbits cbits_with_size(const i_ssize size, const bool value) {
+STC_INLINE cbits cbits_with_size(const int64_t size, const bool value) {
cbits set = {(uint64_t *)c_malloc(_cbits_bytes(size)), size};
cbits_set_all(&set, value);
return set;
}
-STC_INLINE cbits cbits_with_pattern(const i_ssize size, const uint64_t pattern) {
+STC_INLINE cbits cbits_with_pattern(const int64_t size, const uint64_t pattern) {
cbits set = {(uint64_t *)c_malloc(_cbits_bytes(size)), size};
cbits_set_pattern(&set, pattern);
return set;
@@ -205,7 +202,7 @@ struct { uint64_t data64[(i_capacity - 1)/64 + 1]; } typedef i_type;
STC_INLINE i_type _i_memb(_init)(void) { return c_LITERAL(i_type){0}; }
STC_INLINE void _i_memb(_create)(i_type* self) {}
STC_INLINE void _i_memb(_drop)(i_type* self) {}
-STC_INLINE i_ssize _i_memb(_size)(const i_type* self) { return i_capacity; }
+STC_INLINE int64_t _i_memb(_size)(const i_type* self) { return i_capacity; }
STC_INLINE i_type _i_memb(_move)(i_type* self) { return *self; }
STC_INLINE i_type* _i_memb(_take)(i_type* self, i_type other)
@@ -220,13 +217,13 @@ STC_INLINE i_type* _i_memb(_copy)(i_type* self, const i_type* other)
STC_INLINE void _i_memb(_set_all)(i_type *self, const bool value);
STC_INLINE void _i_memb(_set_pattern)(i_type *self, const uint64_t pattern);
-STC_INLINE i_type _i_memb(_with_size)(const i_ssize size, const bool value) {
+STC_INLINE i_type _i_memb(_with_size)(const int64_t size, const bool value) {
assert(size <= i_capacity);
i_type set; _i_memb(_set_all)(&set, value);
return set;
}
-STC_INLINE i_type _i_memb(_with_pattern)(const i_ssize size, const uint64_t pattern) {
+STC_INLINE i_type _i_memb(_with_pattern)(const int64_t size, const uint64_t pattern) {
assert(size <= i_capacity);
i_type set; _i_memb(_set_pattern)(&set, pattern);
return set;
@@ -239,31 +236,31 @@ STC_INLINE void _i_memb(_set_all)(i_type *self, const bool value)
{ c_memset(self->data64, value? ~0 : 0, _cbits_bytes(_i_memb(_size)(self))); }
STC_INLINE void _i_memb(_set_pattern)(i_type *self, const uint64_t pattern) {
- i_ssize n = _cbits_words(_i_memb(_size)(self));
+ int64_t n = _cbits_words(_i_memb(_size)(self));
while (n--) self->data64[n] = pattern;
}
-STC_INLINE bool _i_memb(_test)(const i_type* self, const i_ssize i)
+STC_INLINE bool _i_memb(_test)(const i_type* self, const int64_t i)
{ return (self->data64[i>>6] & _cbits_bit(i)) != 0; }
-STC_INLINE bool _i_memb(_at)(const i_type* self, const i_ssize i)
+STC_INLINE bool _i_memb(_at)(const i_type* self, const int64_t i)
{ return (self->data64[i>>6] & _cbits_bit(i)) != 0; }
-STC_INLINE void _i_memb(_set)(i_type *self, const i_ssize i)
+STC_INLINE void _i_memb(_set)(i_type *self, const int64_t i)
{ self->data64[i>>6] |= _cbits_bit(i); }
-STC_INLINE void _i_memb(_reset)(i_type *self, const i_ssize i)
+STC_INLINE void _i_memb(_reset)(i_type *self, const int64_t i)
{ self->data64[i>>6] &= ~_cbits_bit(i); }
-STC_INLINE void _i_memb(_set_value)(i_type *self, const i_ssize i, const bool b) {
+STC_INLINE void _i_memb(_set_value)(i_type *self, const int64_t i, const bool b) {
self->data64[i>>6] ^= ((uint64_t)-(int)b ^ self->data64[i>>6]) & _cbits_bit(i);
}
-STC_INLINE void _i_memb(_flip)(i_type *self, const i_ssize i)
+STC_INLINE void _i_memb(_flip)(i_type *self, const int64_t i)
{ self->data64[i>>6] ^= _cbits_bit(i); }
STC_INLINE void _i_memb(_flip_all)(i_type *self) {
- i_ssize n = _cbits_words(_i_memb(_size)(self));
+ int64_t n = _cbits_words(_i_memb(_size)(self));
while (n--) self->data64[n] ^= ~(uint64_t)0;
}
@@ -277,19 +274,19 @@ STC_INLINE i_type _i_memb(_from)(const char* str) {
/* Intersection */
STC_INLINE void _i_memb(_intersect)(i_type *self, const i_type* other) {
_i_assert(self->_size == other->_size);
- i_ssize n = _cbits_words(_i_memb(_size)(self));
+ int64_t n = _cbits_words(_i_memb(_size)(self));
while (n--) self->data64[n] &= other->data64[n];
}
/* Union */
STC_INLINE void _i_memb(_union)(i_type *self, const i_type* other) {
_i_assert(self->_size == other->_size);
- i_ssize n = _cbits_words(_i_memb(_size)(self));
+ int64_t n = _cbits_words(_i_memb(_size)(self));
while (n--) self->data64[n] |= other->data64[n];
}
/* Exclusive disjunction */
STC_INLINE void _i_memb(_xor)(i_type *self, const i_type* other) {
_i_assert(self->_size == other->_size);
- i_ssize n = _cbits_words(_i_memb(_size)(self));
+ int64_t n = _cbits_words(_i_memb(_size)(self));
while (n--) self->data64[n] ^= other->data64[n];
}
@@ -312,7 +309,6 @@ STC_INLINE bool _i_memb(_disjoint)(const i_type* self, const i_type* other) {
#pragma GCC diagnostic pop
#endif
#define CBITS_H_INCLUDED
-#undef _i_size
#undef _i_memb
#undef _i_assert
#undef i_capacity