[FFmpeg-cvslog] tests/checkasm/lpc: reduce range and use signed values

[Lynne]

ffmpeg | branch: master | Lynne <dev at lynne.ee> | Fri Sep 23 01:41:02 2022 +0200| [6ad39f01dfb3ed7d7bbebac3924797966ad99dbf] | committer: Lynne

tests/checkasm/lpc: reduce range and use signed values

This is more similar to its regular use, and prevents inaccuracies
of huge float*float multiplications from failing the tests.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6ad39f01dfb3ed7d7bbebac3924797966ad99dbf
---

 tests/checkasm/lpc.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/tests/checkasm/lpc.c b/tests/checkasm/lpc.c
index 49e608f8c1..2823953878 100644
--- a/tests/checkasm/lpc.c
+++ b/tests/checkasm/lpc.c
@@ -22,12 +22,12 @@
 
 #include "checkasm.h"
 
-#define randomize_int32(buf, len)       \
-    do {                                \
-        for (int i = 0; i < len; i++) { \
-            int32_t f = rnd() >> 8;     \
-            buf[i] = f;                 \
-        }                               \
+#define randomize_int32(buf, len)                          \
+    do {                                                   \
+        for (int i = 0; i < len; i++) {                    \
+            int32_t f = (UINT32_MAX >> 8) - (rnd() >> 16); \
+            buf[i] = f;                                    \
+        }                                                  \
     } while (0)
 
 #define EPS 0.005