From 78d4d1a94705df6b0586fd30e0898059415ed1e9 Mon Sep 17 00:00:00 2001
From: Mazet Laurent <laurent.mazet@thalesgroup.com>
Date: Thu, 27 Nov 2025 19:12:43 +0100
Subject: [PATCH] fix for windows

---
 src/fbtrellis.c | 2 +-
 test/convcode.c | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/fbtrellis.c b/src/fbtrellis.c
index 2e24d56..b5ed3b3 100644
--- a/src/fbtrellis.c
+++ b/src/fbtrellis.c
@@ -9,7 +9,7 @@ Copyright (C) 2004 Laurent Mazet and Sebastien Simoens
 #if !defined (__FBTRELLIS_C__)
 #define __FBTRELLIS_C__ 1
 
-#include <values.h>
+#include <float.h>
 #include <malloc.h>
 #include <math.h>
 #include "fbtrellis.h"
diff --git a/test/convcode.c b/test/convcode.c
index 356eeae..4778a36 100644
--- a/test/convcode.c
+++ b/test/convcode.c
@@ -32,6 +32,12 @@ Copyright (C) 2003 Laurent Mazet
 
 typedef char bit;
 
+#if !(_SVID_SOURCE || _XOPEN_SOURCE)
+double drand48(void) {
+    return rand() / (RAND_MAX + 1.0);
+}
+#endif
+
 /* Pseudo-random bit sequence */
 void bit_gene (bit * a, int n) {
   int i;
-- 
2.30.2