Fix triangle test failures
Fix triangle test failures

* Tests were failing on compute 53 for int,uint,char,uchar,short,ushort

shehzan10/arrayfire,pentschev/arrayfire,munnybearz/arrayfire,arrayfire/arrayfire,marbre/arrayfire,marbre/arrayfire,hshindo/arrayfire,9prady9/arrayfire,merlin-ext/arrayfire,shehzan10/arrayfire,bkloppenborg/arrayfire,ghisvail/arrayfire,shehzan10/arrayfire,merlin-ext/arrayfire,9prady9/arrayfire,bkloppenborg/arrayfire,victorv/arrayfire,pentschev/arrayfire,umar456/arrayfire,umar456/arrayfire,merlin-ext/arrayfire,umar456/arrayfire,bkloppenborg/arrayfire,ghisvail/arrayfire,victorv/arrayfire,arrayfire/arrayfire,arrayfire/arrayfire,arrayfire/arrayfire,victorv/arrayfire,marbre/arrayfire,victorv/arrayfire,pentschev/arrayfire,shehzan10/arrayfire,pentschev/arrayfire,umar456/arrayfire,9prady9/arrayfire,bkloppenborg/arrayfire,ghisvail/arrayfire,munnybearz/arrayfire,hshindo/arrayfire,9prady9/arrayfire,merlin-ext/arrayfire,ghisvail/arrayfire,munnybearz/arrayfire,hshindo/arrayfire,marbre/arrayfire,hshindo/arrayfire