SpeexMobile/SpeexMobile/config.h
// Microsoft version of 'inline'
#define inline __inline
// Visual Studio support alloca(), but it always align variables to 16-bit
// boundary, while SSE need 128-bit alignment. So we disable alloca() when
// SSE is enabled.
#ifndef _USE_SSE
# define USE_ALLOCA
#endif
/* Default to floating point */
#ifndef FIXED_POINT
# define FLOATING_POINT
# define USE_SMALLFT
#else
# define USE_KISS_FFT
#endif
#define M_PI 3.14159265358979323846
/* We don't support visibility on Win32 */
#define EXPORT