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#ifndef FPU_MODES_H
#define FPU_MODES_H
#ifdef HAVE_FENV_H
#include <fenv.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef struct FPUCtl {
#if defined(__GNUC__) && defined(HAVE_SSE)
unsigned int sse_state;
#elif defined(HAVE___CONTROL87_2)
unsigned int state;
unsigned int sse_state;
#elif defined(HAVE__CONTROLFP)
unsigned int state;
#endif
} FPUCtl;
void SetMixerFPUMode(FPUCtl *ctl);
void RestoreFPUMode(const FPUCtl *ctl);
#ifdef __GNUC__
/* Use an alternate macro set with GCC to avoid accidental continue or break
* statements within the mixer mode.
*/
#define START_MIXER_MODE() __extension__({ FPUCtl _oldMode; SetMixerFPUMode(&_oldMode)
#define END_MIXER_MODE() RestoreFPUMode(&_oldMode); })
#else
#define START_MIXER_MODE() do { FPUCtl _oldMode; SetMixerFPUMode(&_oldMode)
#define END_MIXER_MODE() RestoreFPUMode(&_oldMode); } while(0)
#endif
#define LEAVE_MIXER_MODE() RestoreFPUMode(&_oldMode)
#ifdef __cplusplus
} // extern "C"
#endif
#endif /* FPU_MODES_H */
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