message: Change abs() to std::abs to appease external codebase.
diff: @@ -271,7 +271,7 @@ bool ArrowWidget::draw() {
  qrot = quatf::fromAxisAngle(axis, angle);
  float nqorig = sqrt(origQuat.x * origQuat.x + origQuat.y * origQuat.y +
  origQuat.z * origQuat.z + origQuat.w * origQuat.w);
  - if (abs(nqorig) > FLT_EPSILON * FLT_EPSILON) {
  + if (std::abs(nqorig) > FLT_EPSILON * FLT_EPSILON) {
  qorig = origQuat / nqorig;
  qres = qrot * qorig;
  mDirectionQuat = qres;
  @@ -315,7 +315,7 @@ bool ArrowWidget::draw() {
  norm = quat * norm;
  s_ArrowTriProj[j][i] = ImVec2(quatPX(coord.x, w, h), quatPY(coord.y, w, h));
  ImU32 col = (DirColor | 0xff000000) & alpha;
  - s_ArrowColLight[j][i] = blendColor(0xff000000, col, abs(clamp(norm.z, -1.0f, 1.0f)));
  + s_ArrowColLight[j][i] = blendColor(0xff000000, col, std::abs(clamp(norm.z, -1.0f, 1.0f)));
  }
  drawTriangles(draw_list, inner_pos, s_ArrowTriProj[j], s_ArrowColLight[j], ntri);
  }
  