6 files changed, 133 insertions, 6 deletions
diff --git a/src/auxiliaryFunctions/sign/csigna.c b/src/auxiliaryFunctions/sign/csigna.c
index d27117ff..c1e5e50d 100644
--- a/src/auxiliaryFunctions/sign/csigna.c
+++ b/src/auxiliaryFunctions/sign/csigna.c
@@ -1 +1,24 @@
-/* FIXME : Implementation */
+/*
+**  -*- C -*-
+**
+** csigna.c
+** Made by  Bruno JOFRET <bruno.jofret@inria.fr>
+**
+** Started on  Fri Sep  7 17:36:56 2007 bruno
+** Last update Fri Sep  7 17:37:15 2007 bruno
+**
+** Copyright INRIA 2007
+*/
+
+#include "sign.h"
+
+int csigna(floatComplex *in, int size) {
+  int i = 0;
+  int sign = 1;
+
+  /* FIXME : Does it what it's supposed to do ? */
+  for (i = 0 ; i < size ; ++i) {
+    sign = sign * csigns(in[i]);
+  }
+  return sign;
+}
diff --git a/src/auxiliaryFunctions/sign/csigns.c b/src/auxiliaryFunctions/sign/csigns.c
index d27117ff..9590e4bf 100644
--- a/src/auxiliaryFunctions/sign/csigns.c
+++ b/src/auxiliaryFunctions/sign/csigns.c
@@ -1 +1,18 @@
-/* FIXME : Implementation */
+/*
+**  -*- C -*-
+**
+** csigns.c
+** Made by  Bruno JOFRET <bruno.jofret@inria.fr>
+**
+** Started on  Fri Sep  7 16:56:47 2007 bruno
+** Last update Fri Sep  7 17:29:18 2007 bruno
+**
+** Copyright INRIA 2007
+*/
+
+#include "sign.h"
+
+int csigns(floatComplex in) {
+  /* FIXME : Dummy ...*/
+  return -1;
+}
diff --git a/src/auxiliaryFunctions/sign/dsigna.c b/src/auxiliaryFunctions/sign/dsigna.c
index d27117ff..b72bbb9c 100644
--- a/src/auxiliaryFunctions/sign/dsigna.c
+++ b/src/auxiliaryFunctions/sign/dsigna.c
@@ -1 +1,25 @@
-/* FIXME : Implementation */
+/*
+**  -*- C -*-
+**
+** dsigna.c
+** Made by  Bruno JOFRET <bruno.jofret@inria.fr>
+**
+** Started on  Fri Sep  7 17:35:44 2007 bruno
+** Last update Fri Sep  7 17:36:15 2007 bruno
+**
+** Copyright INRIA 2007
+*/
+
+#include "sign.h"
+
+int dsigna(double *in, int size) {
+  int i = 0;
+  int sign = 1;
+
+  /* FIXME : Does it what it's supposed to do ? */
+  for (i = 0 ; i < size ; ++i) {
+    sign = sign * dsigns(in[i]);
+  }
+  return sign;
+}
+
diff --git a/src/auxiliaryFunctions/sign/ssigna.c b/src/auxiliaryFunctions/sign/ssigna.c
index d27117ff..5926e99d 100644
--- a/src/auxiliaryFunctions/sign/ssigna.c
+++ b/src/auxiliaryFunctions/sign/ssigna.c
@@ -1 +1,24 @@
-/* FIXME : Implementation */
+/*
+**  -*- C -*-
+**
+** ssigna.c
+** Made by  Bruno JOFRET <bruno.jofret@inria.fr>
+**
+** Started on  Fri Sep  7 17:30:57 2007 bruno
+** Last update Fri Sep  7 17:35:32 2007 bruno
+**
+** Copyright INRIA 2007
+*/
+
+#include "sign.h"
+
+int ssigna(float *in, int size) {
+  int i = 0;
+  int sign = 1;
+
+  /* FIXME : Does it what it's supposed to do ? */
+  for (i = 0 ; i < size ; ++i) {
+    sign = sign * ssigns(in[i]);
+  }
+  return sign;
+}
diff --git a/src/auxiliaryFunctions/sign/zsigna.c b/src/auxiliaryFunctions/sign/zsigna.c
index d27117ff..cb6c13b7 100644
--- a/src/auxiliaryFunctions/sign/zsigna.c
+++ b/src/auxiliaryFunctions/sign/zsigna.c
@@ -1 +1,24 @@
-/* FIXME : Implementation */
+/*
+**  -*- C -*-
+**
+** zsigna.c
+** Made by  Bruno JOFRET <bruno.jofret@inria.fr>
+**
+** Started on  Fri Sep  7 17:38:11 2007 bruno
+** Last update Fri Sep  7 17:38:36 2007 bruno
+**
+** Copyright INRIA 2007
+*/
+
+#include "sign.h"
+
+int zsigna(doubleComplex *in, int size) {
+  int i = 0;
+  int sign = 1;
+
+  /* FIXME : Does it what it's supposed to do ? */
+  for (i = 0 ; i < size ; ++i) {
+    sign = sign * zsigns(in[i]);
+  }
+  return sign;
+}
diff --git a/src/auxiliaryFunctions/sign/zsigns.c b/src/auxiliaryFunctions/sign/zsigns.c
index d27117ff..ae1a960c 100644
--- a/src/auxiliaryFunctions/sign/zsigns.c
+++ b/src/auxiliaryFunctions/sign/zsigns.c
@@ -1 +1,18 @@
-/* FIXME : Implementation */
+/*
+**  -*- C -*-
+**
+** zsigns.c
+** Made by  Bruno JOFRET <bruno.jofret@inria.fr>
+**
+** Started on  Fri Sep  7 17:29:33 2007 bruno
+** Last update Fri Sep  7 17:30:33 2007 bruno
+**
+** Copyright INRIA 2007
+*/
+
+#include "sign.h"
+
+int zsigns(doubleComplex in) {
+/* FIXME : Dummy... */
+  return -1;
+}