310     Vec3<T> extent = (box.max - center);  in isVisible()  local
316                 - planeNormAbsX[0] * extent.x  in isVisible()
317                 - planeNormAbsY[0] * extent.y  in isVisible()
318                 - planeNormAbsZ[0] * extent.z  in isVisible()
327                 - planeNormAbsX[1] * extent.x  in isVisible()
328                 - planeNormAbsY[1] * extent.y  in isVisible()
329                 - planeNormAbsZ[1] * extent.z  in isVisible()
348     Vec3<T> extent = (box.max - center);  in completelyContains()  local
354                 + planeNormAbsX[0] * extent.x  in completelyContains()
355                 + planeNormAbsY[0] * extent.y  in completelyContains()
356                 + planeNormAbsZ[0] * extent.z  in completelyContains()
365                 + planeNormAbsX[1] * extent.x  in completelyContains()
366                 + planeNormAbsY[1] * extent.y  in completelyContains()
367                 + planeNormAbsZ[1] * extent.z  in completelyContains()