From fda7c1196cd2eb207b5a5d5d9095c7692d4898ee Mon Sep 17 00:00:00 2001
From: Leo Tsukada <leo.tsukada@ligo.org>
Date: Tue, 2 Jul 2019 15:14:17 -0700
Subject: [PATCH] Revert "gstlal_inspiral_compute_dtdphideff_cov_matrix:
 updated after implementing the correct covariacne matrix"

This reverts commit dfddc5e71e0ea71c61970336a27cbc92af753807.
---
 .../bin/gstlal_inspiral_compute_dtdphideff_cov_matrix         | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gstlal-inspiral/bin/gstlal_inspiral_compute_dtdphideff_cov_matrix b/gstlal-inspiral/bin/gstlal_inspiral_compute_dtdphideff_cov_matrix
index 310918db8c..57f0cbcb9e 100755
--- a/gstlal-inspiral/bin/gstlal_inspiral_compute_dtdphideff_cov_matrix
+++ b/gstlal-inspiral/bin/gstlal_inspiral_compute_dtdphideff_cov_matrix
@@ -82,8 +82,8 @@ for combo in itertools.combinations(("H1", "L1", "V1"), 2):
 	m22 = sigsqpp[a] + sigsqpp[b]
 	m12 = m21 = sigsqtp[a] + sigsqtp[b]
 	mat = numpy.array([[m11, m12], [m21, m22]])
-	# matinv = numpy.linalg.inv(mat)
-	cholesky_transpose = numpy.linalg.cholesky(mat).T
+	matinv = numpy.linalg.inv(mat)
+	cholesky_transpose = numpy.linalg.cholesky(matinv).T
 	transtt[frozenset(combo)] = cholesky_transpose[0,0]
 	transtp[frozenset(combo)] = cholesky_transpose[0,1]
 	transpt[frozenset(combo)] = cholesky_transpose[1,0]
-- 
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