message: ENH: replace EXPECT_DOUBLE_EQ() with EXPECT_EQ()
  Replace instances of EXPECT_DOUBLE_EQ(), used in the
  primal_plane test, where the intent was to use EXPECT_EQ()
  instead.
diff: @@ -52,7 +52,6 @@ TEST( primal_plane_DeathTest, invalid_construction )
  typedef primal::Plane< double,2 > Plane2D;
  typedef primal::Plane< double,3 > Plane3D;
  - // test 2D
  EXPECT_DEATH_IF_SUPPORTED( Plane2D( x, x, AXOM_NULLPTR ), IGNORE_OUTPUT );
  EXPECT_DEATH_IF_SUPPORTED( Plane3D( x, x, x), IGNORE_OUTPUT );
  }
  @@ -254,17 +253,17 @@ TEST( primal_plane, flip )
  // STEP 0: test 3D
  primal::Plane< double, 3 > P( x1, x2, x3 );
  - EXPECT_DOUBLE_EQ( P.getOrientation( q ), primal::ON_NEGATIVE_SIDE );
  + EXPECT_EQ( P.getOrientation( q ), primal::ON_NEGATIVE_SIDE );
  P.flip( );
  - EXPECT_DOUBLE_EQ( P.getOrientation( q ), primal::ON_POSITIVE_SIDE );
  + EXPECT_EQ( P.getOrientation( q ), primal::ON_POSITIVE_SIDE );
  // STEP 1: test 2D
  double a[ 2 ] = { 2.0, -1.0 };
  double b[ 2 ] = { 2.0, 2.0 };
  primal::Plane< double, 2 > P2( a, b, AXOM_NULLPTR );
  - EXPECT_DOUBLE_EQ( P2.getOrientation( q ), primal::ON_POSITIVE_SIDE );
  + EXPECT_EQ( P2.getOrientation( q ), primal::ON_POSITIVE_SIDE );
  P2.flip( );
  - EXPECT_DOUBLE_EQ( P2.getOrientation( q ), primal::ON_NEGATIVE_SIDE );
  + EXPECT_EQ( P2.getOrientation( q ), primal::ON_NEGATIVE_SIDE );
  }
  //------------------------------------------------------------------------------
  