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Merge pull request #2762 from huili2/log10_crash_fix_vs2013

fix vs2013 crash issue by log10 or pow math function

--- a/codec/encoder/core/inc/param_svc.h

+++ b/codec/encoder/core/inc/param_svc.h

@@ -63,6 +63,9 @@

 * \return   2 based scaling factor

 */

 static inline uint32_t GetLogFactor (float base, float upper) {

+#if defined(_M_X64)

+  _set_FMA3_enable(0);

+#endif

   const double dLog2factor      = log10 (1.0 * upper / base) / log10 (2.0);

   const double dEpsilon         = 0.0001;

   const double dRound           = floor (dLog2factor + 0.5);