--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libgsmefr/grid.tab	Thu Nov 24 22:58:29 2022 +0000
@@ -0,0 +1,26 @@
+/*-------------------------------------------------------------*
+ *  Table for az_lsf()                                         *
+ *                                                             *
+ * grid[0] = 1.0;                                              *
+ * grid[grid_points+1] = -1.0;                                 *
+ * for (i = 1; i < grid_points; i++)                           *
+ *   grid[i] = cos((6.283185307*i)/(2.0*grid_points));         *
+ *                                                             *
+ *-------------------------------------------------------------*/
+
+#define grid_points 60
+
+static const Word16 grid[grid_points + 1] =
+{
+    32760, 32723, 32588, 32364, 32051, 31651,
+    31164, 30591, 29935, 29196, 28377, 27481,
+    26509, 25465, 24351, 23170, 21926, 20621,
+    19260, 17846, 16384, 14876, 13327, 11743,
+    10125, 8480, 6812, 5126, 3425, 1714,
+    0, -1714, -3425, -5126, -6812, -8480,
+    -10125, -11743, -13327, -14876, -16384, -17846,
+    -19260, -20621, -21926, -23170, -24351, -25465,
+    -26509, -27481, -28377, -29196, -29935, -30591,
+    -31164, -31651, -32051, -32364, -32588, -32723,
+    -32760
+};