15 lines
490 B
C++
15 lines
490 B
C++
#include <algorithm>
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template<typename T> constexpr T mask(size_t bits, size_t offset = 0) {
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return (((T)1 << bits) - 1) << offset;
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}
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template<typename T> constexpr T getMasked(T data, size_t bits, size_t offset) {
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return (data >> offset) & mask<T>(bits);
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}
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//TODO: support typeof(data) != typeof(value)?
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template<typename T> constexpr T setMasked(T data, T value, size_t bits, size_t offset) {
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return (data & ~mask<T>(bits, offset)) | ((value & mask<T>(bits)) << offset);
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}
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