auto init = AssignVariableOp(scope, var, Const(scope, 2.0f, shape));

  auto temp = ReadVariableOp(scope, var, DT_FLOAT);

  auto y = Mul(scope, temp, x);

  auto dy = Placeholder(scope, DT_FLOAT, Placeholder::Shape(shape));

  OutputList dxs;
  TF_ASSERT_OK(AddSymbolicGradients(scope, {y}, {var}, {dy}, &dxs));

  ClientSession::FeedType feed_list;
  feed_list.insert({x, 5.0f});
  feed_list.insert({dy, 1.0f});

        map.put("boost1", 0);
        map.put("boost2", 0);
        assertTrue(0.0f == docBoostMatcher.getValue(map));

        map.put("boost1", 1);
        map.put("boost2", 0);
        assertTrue(10.0f == docBoostMatcher.getValue(map));

        map.put("boost1", 1);
        map.put("boost2", 2);
        assertTrue(12.0f == docBoostMatcher.getValue(map));
    }

    assertThat(
            Floats.max((float) 8, (float) 6, (float) 7, (float) 5, (float) 3, (float) 0, (float) 9))
        .isEqualTo((float) 9);

    assertThat(Floats.max(-0f, 0f)).isEqualTo(0f);
    assertThat(Floats.max(0f, -0f)).isEqualTo(0f);
    assertThat(Floats.max(NUMBERS)).isEqualTo(GREATEST);
    assertThat(Float.isNaN(Floats.max(VALUES))).isTrue();
  }

  @GwtIncompatible
  public void testMin_noArgs() {

    assertThat(
            Floats.max((float) 8, (float) 6, (float) 7, (float) 5, (float) 3, (float) 0, (float) 9))
        .isEqualTo((float) 9);

    assertThat(Floats.max(-0f, 0f)).isEqualTo(0f);
    assertThat(Floats.max(0f, -0f)).isEqualTo(0f);
    assertThat(Floats.max(NUMBERS)).isEqualTo(GREATEST);
    assertThat(Float.isNaN(Floats.max(VALUES))).isTrue();
  }

  @GwtIncompatible
  public void testMin_noArgs() {

00000050  4f 00 2b 00 02 03 04 00  33 00 45 00 17 00 41 04  |O.+.....3.E...A.|
00000060  f0 2e aa 75 ea 32 f4 3c  ea b7 61 13 0f 22 8d 39  |...u.2.<..a..".9|
00000070  9e 0a 53 c8 d6 92 ea 5e  87 5b 46 d3 71 2d d1 df  |..S....^.[F.q-..|
00000080  fa 1e 9a 6a 0e b2 bc d7  91 6e 26 56 17 24 11 d8  |...j.....n&V.$..|
00000090  0f be c0 1d f5 fd c7 9d  2d 3c a0 0f ee 03 70 1f  |........-<....p.|
000000a0  14 03 03 00 01 01 17 03  03 00 17 8e 76 66 0d 44  |............vf.D|

  GraphDef graph_def;
  Scope scope = Scope::NewRootScope();
  Output source = ops::Const(scope.WithOpName("source"), 10.0f, {});
  Output a = ops::Const(scope.WithOpName("a").WithControlDependencies(source),
                        {10.0f, 10.0f}, {2});
  Output b = ops::Const(scope.WithOpName("b"), 10.0f, {});
  Output c = ops::Mul(scope.WithOpName("c"), a, b);
  TF_ASSERT_OK(scope.ToGraphDef(&graph_def));

000000b0  ce 75 f5 be 0f 2e c4 58  d6 91 4d fb 9f 80 56 3c  |.u.....X..M...V<|
000000c0  9c d8 ea 20 2e f7 ce 34  80 af 47 0f 41 3f f9 2f  |... ...4..G.A?./|
000000d0  23 c1 94 9e de 51 43 c5  1e 31 98 e6 15 33 63 64  |#....QC..1...3cd|
000000e0  22 39 87 83 87 66 d0 9e  85 2a b2 62 5e fd 50 ec  |"9...f...*.b^.P.|
000000f0  0f d0 ec dd d4 75 57 0d  3f 7e a3 a4 40 f7 67 d2  |.....uW.?~..@.g.|

000000f0  c5 7b 85 38 4f 2e 09 73  32 a7 bd 3e 9b ad ca 84  |.{.8O..s2..>....|
00000100  07 e6 0f 3a ff 77 c5 9d  41 85 00 8a b6 9b ee b0  |...:.w..A.......|
00000110  a4 3f 2d 4c 4c e6 42 3e  bb 51 c8 dd 48 54 f4 0c  |.?-LL.B>.Q..HT..|
00000120  8e 47 02 03 01 00 01 a3  46 30 44 30 0e 06 03 55  |.G......F0D0...U|
00000130  1d 0f 01 01 ff 04 04 03  02 05 a0 30 13 06 03 55  |...........0...U|

00000010  00 89 4d bf 59 d2 30 f1  f3 e7 20 24 c6 06 ba a4  |..M.Y.0... $....|
00000020  28 b4 ba 3d 00 f2 18 9b  98 a3 f2 20 7e d9 d0 58  |(..=....... ~..X|
00000030  50 25 90 2d f0 af 72 66  fb f8 54 33 6e d4 2b f0  |P%.-..rf..T3n.+.|
00000040  0f 1a ea dc 9e 08 34 ed  68 a8 d8 bd 00 04 13 03  |......4.h.......|
00000050  00 ff 01 00 00 5f 00 0b  00 04 03 00 01 02 00 0a  |....._..........|
00000060  00 0c 00 0a 00 1d 00 17  00 1e 00 19 00 18 00 16  |................|

>>> Flow 1 (client to server)
00000000  16 03 01 00 e2 01 00 00  de 03 03 3d ae 42 d4 d3  |...........=.B..|
00000010  a9 75 5b a6 8f 9f 47 6f  fe e7 3d 3e 5c d8 35 01  |.u[...Go..=>\.5.|
00000020  c9 25 fd 94 e4 ac 7e b4  e1 4e 0f 20 56 29 44 cd  |.%....~..N. V)D.|
00000030  7f 99 7b a6 9a 4d d4 3c  e8 01 00 93 e5 e0 a8 7b  |..{..M.<.......{|
00000040  81 13 85 e9 2e 4e 12 a2  b9 d4 7d 8e 00 04 13 03  |.....N....}.....|