//=== lib/fp_trunc.h - high precision -> low precision conversion *- C -*-===//

//

//                     The LLVM Compiler Infrastructure

//

// This file is dual licensed under the MIT and the University of Illinois Open

// Source Licenses. See LICENSE.TXT for details.

//

//===----------------------------------------------------------------------===//

//

// Set source and destination precision setting

//

//===----------------------------------------------------------------------===//

#ifndef FP_TRUNC_HEADER

#define FP_TRUNC_HEADER

#include "int_lib.h"

#if defined SRC_SINGLE

typedef float src_t;

typedef uint32_t src_rep_t;

#define SRC_REP_C UINT32_C

static const int srcSigBits = 23;

#elif defined SRC_DOUBLE

typedef double src_t;

typedef uint64_t src_rep_t;

#define SRC_REP_C UINT64_C

static const int srcSigBits = 52;

#elif defined SRC_QUAD

typedef long double src_t;

typedef __uint128_t src_rep_t;

#define SRC_REP_C (__uint128_t)

static const int srcSigBits = 112;

#else

#error Source should be double precision or quad precision!

#endif //end source precision

#if defined DST_DOUBLE

typedef double dst_t;

typedef uint64_t dst_rep_t;

#define DST_REP_C UINT64_C

static const int dstSigBits = 52;

#elif defined DST_SINGLE

typedef float dst_t;

typedef uint32_t dst_rep_t;

#define DST_REP_C UINT32_C

static const int dstSigBits = 23;

#elif defined DST_HALF

typedef uint16_t dst_t;

typedef uint16_t dst_rep_t;

#define DST_REP_C UINT16_C

static const int dstSigBits = 10;

#else

#error Destination should be single precision or double precision!

#endif //end destination precision

// End of specialization parameters.  Two helper routines for conversion to and

// from the representation of floating-point data as integer values follow.

static __inline src_rep_t srcToRep(src_t x) {

}

static __inline dst_t dstFromRep(dst_rep_t x) {

    const union { dst_t f; dst_rep_t i; } rep = {.i = x};

}

#endif // FP_TRUNC_HEADER