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celt_ilog2() is only used in fixed-point mode

--- a/libcelt/mathops.h

+++ b/libcelt/mathops.h

@@ -42,15 +42,6 @@

 #include "entcode.h"

 #include "os_support.h"

-#ifndef OVERRIDE_CELT_ILOG2

-/** Integer log in base2. Undefined for zero and negative numbers */

-static inline celt_int16 celt_ilog2(celt_word32 x)

-{

-   celt_assert2(x>0, "celt_ilog2() only defined for strictly positive numbers");

-   return EC_ILOG(x)-1;

-}

-#endif

-

 #ifndef OVERRIDE_FIND_MAX16

 static inline int find_max16(celt_word16 *x, int len)

 {

@@ -169,6 +160,16 @@

 #ifdef FIXED_POINT

 #include "os_support.h"

+

+#ifndef OVERRIDE_CELT_ILOG2

+/** Integer log in base2. Undefined for zero and negative numbers */

+static inline celt_int16 celt_ilog2(celt_int32 x)

+{

+   celt_assert2(x>0, "celt_ilog2() only defined for strictly positive numbers");

+   return EC_ILOG(x)-1;

+}

+#endif

+

 #ifndef OVERRIDE_CELT_MAXABS16

 static inline celt_word16 celt_maxabs16(celt_word16 *x, int len)