From 081d5ae9717f41a5639d9a83c4fd10614c92bc0f Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Sat, 3 Apr 2021 22:11:14 +0200
Subject: [PATCH] Fix typo and potentially undefined variables

(copies fixes made in Reference-LAPACK PR 477 after the initial cherrypick)
---
 lapack-netlib/SRC/chgeqz.f | 7 +++++--
 lapack-netlib/SRC/zhgeqz.f | 5 ++++-
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/lapack-netlib/SRC/chgeqz.f b/lapack-netlib/SRC/chgeqz.f
index 4725e71..bcf5acd 100644
--- a/lapack-netlib/SRC/chgeqz.f
+++ b/lapack-netlib/SRC/chgeqz.f
@@ -319,14 +319,14 @@
       REAL               ABSB, ANORM, ASCALE, ATOL, BNORM, BSCALE, BTOL,
      $                   C, SAFMIN, TEMP, TEMP2, TEMPR, ULP
       COMPLEX            ABI22, AD11, AD12, AD21, AD22, CTEMP, CTEMP2,
-     $                   CTEMP3, ESHIFT, RTDISC, S, SHIFT, SIGNBC, T1,
+     $                   CTEMP3, ESHIFT, S, SHIFT, SIGNBC,
      $                   U12, X, ABI12, Y
 *     ..
 *     .. External Functions ..
       COMPLEX            CLADIV
       LOGICAL            LSAME
       REAL               CLANHS, SLAMCH
-      EXTERNAL           CLADIV, LLSAME, CLANHS, SLAMCH
+      EXTERNAL           CLADIV, LSAME, CLANHS, SLAMCH
 *     ..
 *     .. External Subroutines ..
       EXTERNAL           CLARTG, CLASET, CROT, CSCAL, XERBLA
@@ -351,6 +351,7 @@
          ILSCHR = .TRUE.
          ISCHUR = 2
       ELSE
+         ILSCHR = .TRUE.
          ISCHUR = 0
       END IF
 *
@@ -364,6 +365,7 @@
          ILQ = .TRUE.
          ICOMPQ = 3
       ELSE
+         ILQ = .TRUE.
          ICOMPQ = 0
       END IF
 *
@@ -377,6 +379,7 @@
          ILZ = .TRUE.
          ICOMPZ = 3
       ELSE
+         ILZ = .TRUE.
          ICOMPZ = 0
       END IF
 *
diff --git a/lapack-netlib/SRC/zhgeqz.f b/lapack-netlib/SRC/zhgeqz.f
index b28ae47..9602447 100644
--- a/lapack-netlib/SRC/zhgeqz.f
+++ b/lapack-netlib/SRC/zhgeqz.f
@@ -319,7 +319,7 @@
       DOUBLE PRECISION   ABSB, ANORM, ASCALE, ATOL, BNORM, BSCALE, BTOL,
      $                   C, SAFMIN, TEMP, TEMP2, TEMPR, ULP
       COMPLEX*16         ABI22, AD11, AD12, AD21, AD22, CTEMP, CTEMP2,
-     $                   CTEMP3, ESHIFT, RTDISC, S, SHIFT, SIGNBC, T1,
+     $                   CTEMP3, ESHIFT, S, SHIFT, SIGNBC,
      $                   U12, X, ABI12, Y
 *     ..
 *     .. External Functions ..
@@ -352,6 +352,7 @@
          ILSCHR = .TRUE.
          ISCHUR = 2
       ELSE
+         ILSCHR = .TRUE.
          ISCHUR = 0
       END IF
 *
@@ -365,6 +366,7 @@
          ILQ = .TRUE.
          ICOMPQ = 3
       ELSE
+         ILQ = .TRUE.
          ICOMPQ = 0
       END IF
 *
@@ -378,6 +380,7 @@
          ILZ = .TRUE.
          ICOMPZ = 3
       ELSE
+         ILZ = .TRUE.
          ICOMPZ = 0
       END IF
 *
-- 
2.7.4