add qspectrumanalyzer and dependencies

dev-python/pyfftw/pyfftw-9999.ebuild

@@ -0,0 +1,27 @@
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6} )
+inherit distutils-r1
+
+DESCRIPTION="A pythonic python wrapper around FFTW"
+HOMEPAGE="https://github.com/pyFFTW/pyFFTW"
+
+LICENSE="BSD"
+SLOT="0"
+if [ "${PV}" = "9999" ]; then
+	KEYWORDS=""
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/pyFFTW/pyFFTW.git"
+else
+	KEYWORDS="~amd64 ~x86"
+	SRC_URI="https://github.com/pyFFTW/pyFFTW/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+fi
+
+IUSE=""
+
+DEPEND="dev-python/numpy[${PYTHON_USEDEP}]
+		dev-python/cython[${PYTHON_USEDEP}]
+		>=sci-libs/fftw-3.3:3.0="
+RDEPEND="${DEPEND}"