1  /* Software floating-point emulation: floating point truncation.
       2     Copyright (C) 1997-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library.  If not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include "local-soft-fp.h"
      20  #include "double.h"
      21  
      22  double
      23  _OtsConvertFloatXT (long al, long ah, long _round)
      24  {
      25    FP_DECL_EX;
      26    FP_DECL_Q(A);
      27    FP_DECL_D(R);
      28    double r;
      29  
      30    FP_INIT_ROUNDMODE;
      31    AXP_UNPACK_SEMIRAW_Q(A, a);
      32  #if _FP_W_TYPE_SIZE < 64
      33    FP_TRUNC(D,Q,2,4,R,A);
      34  #else
      35    FP_TRUNC(D,Q,1,2,R,A);
      36  #endif
      37    FP_PACK_SEMIRAW_D(r, R);
      38    FP_HANDLE_EXCEPTIONS;
      39  
      40    return r;
      41  }