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-rw-r--r--Src/math.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/Src/math.c b/Src/math.c
index 4b7ecf0ab..b08e05cb4 100644
--- a/Src/math.c
+++ b/Src/math.c
@@ -640,8 +640,19 @@ zzlex(void)
}
if (unary) {
if (idigit(*ptr) || *ptr == '.') {
- ptr--;
- return lexconstant();
+ int ctype = lexconstant();
+ if (ctype == NUM)
+ {
+ if (yyval.type == MN_FLOAT)
+ {
+ yyval.u.d = -yyval.u.d;
+ }
+ else
+ {
+ yyval.u.l = -yyval.u.l;
+ }
+ }
+ return ctype;
} else
return UMINUS;
} else