void GfxDeviceNColorSpace::getGray(GfxColor *color, GfxGray *gray) {
  double x[gfxColorMaxComps], c[gfxColorMaxComps];
  GfxColor color2;
  int i;

  for (i = 0; i < nComps; ++i) {
    x[i] = colToDbl(color->c[i]);
  }
  func->transform(x, c);
  for (i = 0; i < alt->getNComps(); ++i) {
    color2.c[i] = dblToCol(c[i]);
  }
  alt->getGray(&color2, gray);
}

This weakness involves numeric computation errors, such as integer overflows, underflows, or precision losses, which can lead to miscalculations and exploitable behaviors in software.