perl-Algorithm-CurveFit-1.05-17.fc26 fails to build on ppc64le:
t/01basic.t ...... ok
Can't call method "element" on an undefined value at /builddir/build/BUILD/Algorithm-CurveFit-1.05/blib/lib/Algorithm/CurveFit.pm line 217.
# Looks like your test exited with 255 before it could output anything.
Dubious, test returned 255 (wstat 65280, 0xff00)
Failed 13/13 subtests
This bug appears to have been reported against 'rawhide' during the Fedora 26 development cycle.
Changing version to '26'.
The package was retired in rawhide and Fedora 27.