Fix build on Android with gnustl (google#114)

danielgronlund · May 26, 2017 · 5bfbfe1 · 5bfbfe1
1 parent 25adf5d
commit 5bfbfe1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/core/shannon_entropy.cc b/core/shannon_entropy.cc
@@ -21,7 +21,7 @@ int64_t ComputeShannonEntropy(const uint32_t *symbols, int num_symbols,
       // Compute Shannon entropy for the symbol.
       total_bits +=
           symbol_frequencies[i] *
-          std::log2(static_cast<double>(symbol_frequencies[i]) / num_symbols_d);
+          log2(static_cast<double>(symbol_frequencies[i]) / num_symbols_d);
     }
   }
   if (out_num_unique_symbols)