From 8b3c7f50323996c373249a74cae81487cfdb1099 Mon Sep 17 00:00:00 2001
From: Gard Spreemann <gspreemann@gmail.com>
Date: Thu, 2 Feb 2017 21:50:56 +0100
Subject: 3.0+dfsg.3-1: First git commit of already released Debian version.

---
 debian/patches/replace-linpack-with-lapack.patch | 76 ++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 debian/patches/replace-linpack-with-lapack.patch

(limited to 'debian/patches/replace-linpack-with-lapack.patch')

diff --git a/debian/patches/replace-linpack-with-lapack.patch b/debian/patches/replace-linpack-with-lapack.patch
new file mode 100644
index 0000000..83e3261
--- /dev/null
+++ b/debian/patches/replace-linpack-with-lapack.patch
@@ -0,0 +1,76 @@
+The library code originally uses LINPACK (from an embedded
+copy). Since LINPACK has largely been superseded by LAPACK, this patch
+replaces calls to the former with equivalent calls to the
+latter. Specifically, dpofa is replaced by dpotrf, and dtrsl is
+replaced by dtrtrs.
+--- a/lbfgsb.f
++++ b/lbfgsb.f
+@@ -1185,7 +1185,7 @@
+          p(i2) = v(i2) + sum
+   20  continue  
+ c     Solve the triangular system
+-      call dtrsl(wt,m,col,p(col+1),11,info)
++      call dtrtrs('U', 'T', 'N', col, 1, wt, m, p(col+1), col, info)
+       if (info .ne. 0) return
+  
+ c       solve D^(1/2)p1=v1.
+@@ -1197,7 +1197,7 @@
+ c                    [  0         J'           ] [ p2 ]   [ p2 ]. 
+  
+ c       solve J^Tp2=p2. 
+-      call dtrsl(wt,m,col,p(col+1),01,info)
++      call dtrtrs('U', 'N', 'N', col, 1, wt, m, p(col+1), col, info)
+       if (info .ne. 0) return
+  
+ c       compute p1=-D^(-1/2)(p1-D^(-1/2)L'p2)
+@@ -2135,7 +2135,7 @@
+ 
+ c        first Cholesky factor (1,1) block of wn to get LL'
+ c                          with L' stored in the upper triangle of wn.
+-      call dpofa(wn,m2,col,info)
++      call dpotrf('U', col, wn, m2, info)
+       if (info .ne. 0) then
+          info = -1
+          return
+@@ -2143,7 +2143,7 @@
+ c        then form L^-1(-L_a'+R_z') in the (1,2) block.
+       col2 = 2*col
+       do 71 js = col+1 ,col2
+-         call dtrsl(wn,m2,col,wn(1,js),11,info)
++         call dtrtrs('U', 'T', 'N', col, 1, wn, m2, wn(1,js), col, info)
+   71  continue
+ 
+ c     Form S'AA'S*theta + (L^-1(-L_a'+R_z'))'L^-1(-L_a'+R_z') in the
+@@ -2158,7 +2158,7 @@
+ 
+ c     Cholesky factorization of (2,2) block of wn.
+ 
+-      call dpofa(wn(col+1,col+1),m2,col,info)
++      call dpotrf('U', col, wn(col+1,col+1), m2, info)
+       if (info .ne. 0) then
+          info = -2
+          return
+@@ -2227,7 +2227,7 @@
+ c     Cholesky factorize T to J*J' with 
+ c        J' stored in the upper triangle of wt.
+  
+-      call dpofa(wt,m,col,info)
++      call dpotrf('U', col, wt, m, info)
+       if (info .ne. 0) then
+          info = -3
+       endif
+@@ -3208,12 +3208,12 @@
+ 
+       m2 = 2*m
+       col2 = 2*col
+-      call dtrsl(wn,m2,col2,wv,11,info)
++      call dtrtrs('U', 'T', 'N', col2, 1, wn, m2, wv, col2, info)
+       if (info .ne. 0) return
+       do 25 i = 1, col
+          wv(i) = -wv(i)
+   25     continue
+-      call dtrsl(wn,m2,col2,wv,01,info)
++      call dtrtrs('U', 'N', 'N', col2, 1, wn, m2, wv, col2, info)
+       if (info .ne. 0) return
+  
+ c     Compute d = (1/theta)d + (1/theta**2)Z'W wv.
-- 
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