/usr/share/ is in golang-speter-go-exp-math-dec-inf-dev 0.0~git20140417.0.42ca6cd-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gocode/
/usr/share/gocode/src/
/usr/share/gocode/src/speter.net/
/usr/share/gocode/src/speter.net/go/
/usr/share/gocode/src/speter.net/go/exp/
/usr/share/gocode/src/speter.net/go/exp/math/
/usr/share/gocode/src/speter.net/go/exp/math/dec/
/usr/share/gocode/src/speter.net/go/exp/math/dec/inf/
/usr/share/gocode/src/speter.net/go/exp/math/dec/inf/rounder_example_test.go
/usr/share/gocode/src/speter.net/go/exp/math/dec/inf/benchmark_test.go
/usr/share/gocode/src/speter.net/go/exp/math/dec/inf/dec_internal_test.go
/usr/share/gocode/src/speter.net/go/exp/math/dec/inf/dec_go1_2_test.go
/usr/share/gocode/src/speter.net/go/exp/math/dec/inf/example_test.go
/usr/share/gocode/src/speter.net/go/exp/math/dec/inf/dec_test.go
/usr/share/gocode/src/speter.net/go/exp/math/dec/inf/rounder_test.go
/usr/share/gocode/src/speter.net/go/exp/math/dec/inf/rounder.go
/usr/share/gocode/src/speter.net/go/exp/math/dec/inf/dec.go
/usr/share/doc/
/usr/share/doc/golang-speter-go-exp-math-dec-inf-dev/
/usr/share/doc/golang-speter-go-exp-math-dec-inf-dev/copyright
/usr/share/doc/golang-speter-go-exp-math-dec-inf-dev/changelog.Debian.gz