[cddlib] 01/01: Use GMP float instead of C double

[Ximin Luo]

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infinity0 pushed a commit to branch _experiment_gmpfloat
in repository cddlib.

commit f76de112e7746877bed38b9234bfabb498e80a40
Author: Ximin Luo <infinity0 at debian.org>
Date:   Thu Oct 13 12:18:37 2016 +0200

    Use GMP float instead of C double
---
 debian/changelog                   |  7 ++++++
 debian/patches/series              |  1 +
 debian/patches/use-gmp-float.patch | 48 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 56 insertions(+)

diff --git a/debian/changelog b/debian/changelog
index 015c5bd..2142299 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+cddlib (094h-2) UNRELEASED; urgency=medium
+
+  * Team upload.
+  * Use GMP float instead of C double.
+
+ -- Ximin Luo <infinity0 at debian.org>  Thu, 13 Oct 2016 03:50:43 +0200
+
 cddlib (094h-1) unstable; urgency=medium
 
   * New upstream release.
diff --git a/debian/patches/series b/debian/patches/series
index a3f04aa..e18dbe3 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -1 +1,2 @@
 build_cdd_both_reps.patch
+use-gmp-float.patch
diff --git a/debian/patches/use-gmp-float.patch b/debian/patches/use-gmp-float.patch
new file mode 100644
index 0000000..708e828
--- /dev/null
+++ b/debian/patches/use-gmp-float.patch
@@ -0,0 +1,48 @@
+Description: Use GMP float instead of C double
+ Hopefully gives more accurate results
+Author: Ximin Luo <infinity0 at debian.org>
+Forwarded: TBD
+---
+This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
+--- a/lib-src/Makefile.am
++++ b/lib-src/Makefile.am
+@@ -15,5 +15,5 @@
+ cddtypes.h \
+ setoper.h
+ 
+-AM_CPPFLAGS = -UGMPRATIONAL
++AM_CPPFLAGS = -I$(gmpincludedir) -UGMPRATIONAL -DGMPFLOAT
+ AM_LDFLAGS = -version-info 0:0:0
+--- a/src/Makefile.am
++++ b/src/Makefile.am
+@@ -32,5 +32,6 @@
+ # cddmathlink_SOURCES                = cddmathlink.c cddmlio.h cddmlio.c
+ 
+ LDADD        = ../lib-src/libcdd.la
+-INCLUDES     = -I../lib-src
+-AM_CPPFLAGS  = -UGMPRATIONAL
++AM_LDFLAGS   = -L$(gmplibdir)
++INCLUDES     = -I../lib-src -I$(gmpincludedir)
++AM_CPPFLAGS  = -UGMPRATIONAL -DGMPFLOAT
+--- a/lib-src/cddmp.c
++++ b/lib-src/cddmp.c
+@@ -50,7 +50,7 @@
+  mpf_set_d(dd_zero,dd_almostzero);
+  mpf_set_ui(dd_purezero,0U);
+  mpf_set_ui(dd_one,1U);
+- mpf_set_si(dd_minusone,-1L,1U);
++ mpf_set_si(dd_minusone,-1L);
+ #else
+  dd_zero[0]= dd_almostzero;  /*real zero */
+  dd_purezero[0]= 0.0;
+--- a/lib-src/cddmp.h
++++ b/lib-src/cddmp.h
+@@ -54,7 +54,7 @@
+  #define dd_set(a, b)            mpf_set(a,b)     
+  #define dd_set_d(a, b)          mpf_set_d(a,b)     
+  #define dd_set_si(a, b)         mpf_set_si(a,b)     
+- #define dd_set_si2(a, b, c)     mpf_set_si(a,b,c)    /* gmp 3.1 or higher */
++ #define dd_set_si2(a, b, c)     mpf_set_si(a,b);mpf_div_ui(a,a,c)    /* gmp 3.1 or higher */
+  #define dd_add(a, b, c)         mpf_add(a,b,c)
+  #define dd_sub(a, b, c)         mpf_sub(a,b,c)
+  #define dd_mul(a, b, c)         mpf_mul(a,b,c)

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