From bc0ba19e9bfe983661b098b9e99c6a390ef6a206 Mon Sep 17 00:00:00 2001
From: Max <ikj1234i@yahoo.com>
Date: Sun, 5 Jun 2022 15:23:31 -0400
Subject: [PATCH] define M_PI et al

---
 op25/gr-op25_repeater/lib/ambe.c   | 12 ++++++++++++
 op25/gr-op25_repeater/lib/mbelib.c | 12 ++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/op25/gr-op25_repeater/lib/ambe.c b/op25/gr-op25_repeater/lib/ambe.c
index 0d0449e..4ee5fd4 100644
--- a/op25/gr-op25_repeater/lib/ambe.c
+++ b/op25/gr-op25_repeater/lib/ambe.c
@@ -20,6 +20,18 @@
 #include "ambe3600x2250_const.h"
 #include "ambe3600x2400_const.h"
 
+#ifndef M_PI
+# define M_PI           3.14159265358979323846  /* pi */
+#endif 
+
+#ifndef M_E
+# define M_E            2.7182818284590452354   /* e */
+#endif 
+
+#ifndef M_SQRT2
+# define M_SQRT2        1.41421356237309504880  /* sqrt(2) */
+#endif 
+
 static int
 mbe_dequantizeAmbeParms (mbe_parms * cur_mp, mbe_parms * prev_mp, const int *b, int dstar)
 {
diff --git a/op25/gr-op25_repeater/lib/mbelib.c b/op25/gr-op25_repeater/lib/mbelib.c
index a9ed3bf..9581d5b 100644
--- a/op25/gr-op25_repeater/lib/mbelib.c
+++ b/op25/gr-op25_repeater/lib/mbelib.c
@@ -19,6 +19,18 @@
 #include "mbelib.h"
 #include "mbelib_const.h"
 
+#ifndef M_PI
+# define M_PI           3.14159265358979323846  /* pi */
+#endif
+
+#ifndef M_E
+# define M_E            2.7182818284590452354   /* e */
+#endif
+
+#ifndef M_SQRT2
+# define M_SQRT2        1.41421356237309504880  /* sqrt(2) */
+#endif
+
 void
 mbe_printVersion (char *str)
 {