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Use next_pow2_isize
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@@ -37,6 +37,7 @@ gb_inline void zero_size(void *ptr, isize len) {
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i32 next_pow2(i32 n);
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i64 next_pow2(i64 n);
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isize next_pow2_isize(isize n);
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template <typename U, typename V>
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@@ -680,6 +681,24 @@ i64 next_pow2(i64 n) {
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n++;
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return n;
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}
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isize next_pow2_isize(isize n) {
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if (n <= 0) {
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return 0;
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}
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n--;
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n |= n >> 1;
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n |= n >> 2;
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n |= n >> 4;
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n |= n >> 8;
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n |= n >> 16;
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if (gb_size_of(isize) == 8) {
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n |= n >> 32;
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}
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n++;
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return n;
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}
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i32 bit_set_count(u32 x) {
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x -= ((x >> 1) & 0x55555555);
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@@ -32,23 +32,6 @@ template <typename T> void ptr_set_grow (PtrSet<T> *s);
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template <typename T> void ptr_set_rehash (PtrSet<T> *s, isize new_count);
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isize next_pow2_isize(isize n) {
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if (n <= 0) {
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return 0;
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}
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n--;
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n |= n >> 1;
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n |= n >> 2;
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n |= n >> 4;
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n |= n >> 8;
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n |= n >> 16;
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if (gb_size_of(isize) == 8) {
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n |= n >> 32;
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}
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n++;
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return n;
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}
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template <typename T>
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void ptr_set_init(PtrSet<T> *s, gbAllocator a, isize capacity) {
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capacity = next_pow2_isize(gb_max(16, capacity));
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@@ -28,7 +28,7 @@ struct MPMCQueue {
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template <typename T>
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void mpmc_init(MPMCQueue<T> *q, gbAllocator a, isize size) {
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size = next_pow2(size);
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size = next_pow2_isize(size);
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GB_ASSERT(gb_is_power_of_two(size));
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gb_mutex_init(&q->mutex);
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