Clarify the intent of a piece of code.
Clarify the intent of a piece of code.

The code uses integer division, followed by a double precision multiplication.
It is admittedly not immediately obvious what it is supposed to do. Clarify
that we really mean the integer division.

danshapero/dealii,danshapero/dealii,EGP-CIG-REU/dealii,sairajat/dealii,spco/dealii,spco/dealii,spco/dealii,naliboff/dealii,naliboff/dealii,kalj/dealii,danshapero/dealii,EGP-CIG-REU/dealii,danshapero/dealii,sairajat/dealii,spco/dealii,EGP-CIG-REU/dealii,sairajat/dealii,spco/dealii,sairajat/dealii,naliboff/dealii,EGP-CIG-REU/dealii,spco/dealii,naliboff/dealii,EGP-CIG-REU/dealii,naliboff/dealii,danshapero/dealii,kalj/dealii,sairajat/dealii,kalj/dealii,danshapero/dealii,naliboff/dealii,kalj/dealii,spco/dealii,sairajat/dealii,EGP-CIG-REU/dealii,kalj/dealii,danshapero/dealii,naliboff/dealii,kalj/dealii,EGP-CIG-REU/dealii,kalj/dealii,sairajat/dealii