Silence div-by-zero and invalid-value warnings
Silence div-by-zero and invalid-value warnings

bollu/vispy,kkuunnddaannkk/vispy,inclement/vispy,drufat/vispy,julienr/vispy,jay3sh/vispy,sh4wn/vispy,jdreaver/vispy,ghisvail/vispy,sbtlaarzc/vispy,kkuunnddaannkk/vispy,QuLogic/vispy,drufat/vispy,ghisvail/vispy,sbtlaarzc/vispy,QuLogic/vispy,julienr/vispy,jay3sh/vispy,sbtlaarzc/vispy,srinathv/vispy,sh4wn/vispy,bollu/vispy,hronoses/vispy,RebeccaWPerry/vispy,michaelaye/vispy,dchilds7/Deysha-Star-Formation,kkuunnddaannkk/vispy,michaelaye/vispy,jdreaver/vispy,QuLogic/vispy,michaelaye/vispy,sh4wn/vispy,inclement/vispy,srinathv/vispy,dchilds7/Deysha-Star-Formation,RebeccaWPerry/vispy,jdreaver/vispy,Eric89GXL/vispy,srinathv/vispy,Eric89GXL/vispy,inclement/vispy,jay3sh/vispy,hronoses/vispy,drufat/vispy,ghisvail/vispy,RebeccaWPerry/vispy,dchilds7/Deysha-Star-Formation,hronoses/vispy,bollu/vispy,julienr/vispy,Eric89GXL/vispy