Test boolean conversion functions.
Test boolean conversion functions.

diku-dk/futhark,HIPERFIT/futhark,ihc/futhark,ihc/futhark,diku-dk/futhark,diku-dk/futhark,diku-dk/futhark,diku-dk/futhark,HIPERFIT/futhark,HIPERFIT/futhark,ihc/futhark