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See also:
* https://sourceforge.net/p/gnucobol/bugs/904/
diff -ur a/gnucobol-3.2/libcob/numeric.c b/gnucobol-3.2/libcob/numeric.c
--- a/libcob/numeric.c 2023-08-18 01:07:41.324059298 +0000
+++ b/libcob/numeric.c 2023-08-18 01:31:31.294137417 +0000
@@ -2739,17 +2739,12 @@
}
} else {
unsigned char *pos = fld2 + fld2_size - 1;
- if (COB_FIELD_HAVE_SIGN (f2)) {
- if (!fld1_sign) {
- *pos &= 0xF0;
- *pos |= 0x0C;
- } else {
- *pos &= 0xF0;
- *pos |= fld1_sign;
- }
- } else {
- *pos &= 0xF0;
+ if (!COB_FIELD_HAVE_SIGN (f2)) {
*pos |= 0x0F;
+ } else if (fld1_sign == 0x0D) {
+ *pos = (*pos & 0xF0) | 0x0D;
+ } else {
+ *pos = (*pos & 0xF0) | 0x0C;
}
if (!(COB_FIELD_DIGITS (f2) & 1) /* -> digits % 2 == 0 */) {
*fld2 &= 0x0F;
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