AssignRangeMultiplier

/* AssignRangeMultiplier(int, double) */

longdouble AssignRangeMultiplier(int param_1,double param_2)

{
  int iVar1;
  float *pfVar2;
  uint uVar3;
  float fVar4;
  double dVar5;
  double dVar6;
  float local_30;
  float local_1c [5];
  
  if (param_1 == 0x20) {
    dVar6 = 4294967294.0;
    uVar3 = 0xfffffffe;
  }
  else {
    iVar1 = 1 << ((byte)param_1 & 0x1f);
    uVar3 = iVar1 - 1;
    dVar6 = (double)(iVar1 + 0x7fffffff) + 2147483648.0;
  }
  local_30 = (float)(dVar6 / param_2);
  if (ABS((float)param_2) <= 0.001) {
    local_30 = (float)(uVar3 & 0xffff) + (float)(uVar3 >> 0x10) * 65536.0;
  }
  dVar5 = (double)local_30 * param_2;
  if ((uVar3 < (uint)((int)(dVar5 - (double)(-(ulonglong)(2147483648.0 <= dVar5) &
                                            0x41e0000000000000)) ^
                     (int)-(ulonglong)(2147483648.0 <= dVar5) << 0x1f)) || (dVar6 < dVar5)) {
    local_1c[0] = 0.99;
    local_1c[1] = 0.9;
    local_1c[2] = 0.8;
    local_1c[3] = 0.7;
    fVar4 = 0.9999;
    pfVar2 = local_1c;
    while ((dVar5 = (double)(fVar4 * (float)(dVar6 / param_2)) * param_2,
           uVar3 < (uint)((int)(dVar5 - (double)(-(ulonglong)(2147483648.0 <= dVar5) &
                                                0x41e0000000000000)) ^
                         (int)-(ulonglong)(2147483648.0 <= dVar5) << 0x1f) || (dVar6 < dVar5))) {
      if (pfVar2 == local_1c + 4) {
        return (longdouble)0.0;
      }
      fVar4 = *pfVar2;
      pfVar2 = pfVar2 + 1;
    }
  }
  return (longdouble)local_30;
}