d66251234d
GLIBC 2.27 added new versioned symbols of powf and logf, while the double versions of pow and log remained stable. Prefer the double version to avoid introducing a dependency on a newer version of GLIBC than strictly necessary. See https://lists.gnu.org/archive/html/info-gnu/2018-02/msg00000.html
15 lines
258 B
C++
15 lines
258 B
C++
#pragma once
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#include <cmath>
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#include <cstdint>
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namespace mbgl {
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namespace util {
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// Computes the log2(x) rounded up to the next integer.
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// (== number of bits required to store x)
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uint32_t ceil_log2(uint64_t x);
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} // namespace util
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} // namespace mbgl
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