From: Pavel Pisa <ppisa@pikron.com>
Date: Sun, 7 Dec 2014 21:52:00 +0000 (+0100)
Subject: RoCoN: minor adjustment of fncapprox test;
X-Git-Url: https://rtime.felk.cvut.cz/gitweb/fpga/lx-cpu1/lx-rocon.git/commitdiff_plain/027605eac09baa6a6ad300b2cd297b19e1a27e92

RoCoN: minor adjustment of fncapprox test;

Reduce test range by 16.

Signed-off-by: Pavel Pisa <ppisa@pikron.com>
---

diff --git a/sw/app/rocon/appl_tests.c b/sw/app/rocon/appl_tests.c
index 4443e6d..852e884 100644
--- a/sw/app/rocon/appl_tests.c
+++ b/sw/app/rocon/appl_tests.c
@@ -309,7 +309,7 @@ int cmd_do_testfncapprox(cmd_io_t *cmd_io, const struct cmd_des *des, char *para
   double   xf;
   int64_t  yl;
   long count = 1;
-  long step = 1 << (30-7-18+1);
+  long step = 1 << (30-7-18+1  +4);
 
   si_skspace(&ps);
   if (si_ulong(&ps, &fnc, 0) < 0)
@@ -318,7 +318,7 @@ int cmd_do_testfncapprox(cmd_io_t *cmd_io, const struct cmd_des *des, char *para
   si_skspace(&ps);
   if (!strcmp(ps, "all")) {
     val = 0;
-    count = 0x80000000 / step;
+    count = 0x80000000UL / step;
     if (fnc == 1) {
       val = 1;
     }
@@ -370,6 +370,8 @@ int cmd_do_testfncapprox(cmd_io_t *cmd_io, const struct cmd_des *des, char *para
 
   }
 
+  val -= step;
+
   printf("fnc=%ld val=0x%08lx res=0x%08lx ref=0x%08lx diff=%ld max %ld\n",
          fnc, val, res, (unsigned long)yl, diff, diff_max);