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#include "bid_trans.h"

BID_F128_CONST_DEF( c_log10, 400026bb1bbb5551, 582dd4adac5705a6); // ln(10)

BID128_FUNCTION_ARG1 (bid128_asinh, x)

BID_UINT128 CX, CY, xn, yn, res, tmp, coeff_res;
BID_UINT64  valid_y, sign_x, sign_y, sign_z;
int exponent_x, exponent_y, cmp_res, exponent_res;
BID_F128_TYPE rq, xq, yq, rt;

  // unpack arguments, check for NaN or Infinity
	if (!unpack_BID128_value_BLE (&sign_x, &exponent_x, &CX, x)) {
    // test if x is NaN
if ((x.w[BID_HIGH_128W] & 0x7c00000000000000ull) == 0x7c00000000000000ull) {
#ifdef BID_SET_STATUS_FLAGS
  if ((x.w[BID_HIGH_128W] & 0x7e00000000000000ull) == 0x7e00000000000000ull)	// sNaN
    __set_status_flags (pfpsf, BID_INVALID_EXCEPTION);
#endif
	res.w[BID_HIGH_128W] = (CX.w[BID_HIGH_128W]) & QUIET_MASK64;
	res.w[BID_LOW_128W] = CX.w[BID_LOW_128W];
	BID_RETURN (res);
}
    // x is Infinity?
if ((x.w[BID_HIGH_128W] & 0x7800000000000000ull) == 0x7800000000000000ull) {
	  res.w[BID_HIGH_128W] = sign_x | 0x7800000000000000ull;
	  res.w[BID_LOW_128W] = 0;
    BID_RETURN (res);
  }
    // x is 0
	 res.w[BID_HIGH_128W] = sign_x | CX.w[BID_HIGH_128W];
	 res.w[BID_LOW_128W] = CX.w[BID_LOW_128W];
     BID_RETURN (res);
}

	if(exponent_x > (DECIMAL_EXPONENT_BIAS_128+34))
	{	
		bid_get_BID128_very_fast_BLE(&xn, 0, DECIMAL_EXPONENT_BIAS_128, CX);
		BIDECIMAL_CALL1 (bid128_to_binary128, xq, xn);
		__bid_f128_add(xq, xq, xq);
                __bid_f128_itof(yq, exponent_x-DECIMAL_EXPONENT_BIAS_128);
		__bid_f128_mul(rq, yq, c_log10.v);
		__bid_f128_log(rt, xq);
		__bid_f128_add(rq, rq, rt);
		BIDECIMAL_CALL1 (binary128_to_bid128, res, rq);

		res.w[BID_HIGH_128W] |= sign_x;
	    BID_RETURN (res);
	}

	BIDECIMAL_CALL1 (bid128_to_binary128, xq, x);
	__bid_f128_asinh(rq, xq);
    BIDECIMAL_CALL1 (binary128_to_bid128, res, rq);

	BID_RETURN (res);
}

