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-rw-r--r--bignum.c24
1 files changed, 8 insertions, 16 deletions
diff --git a/bignum.c b/bignum.c
index 767659d046..741fa2d21e 100644
--- a/bignum.c
+++ b/bignum.c
@@ -5079,10 +5079,8 @@ rb_big2ulong(VALUE x)
return num;
}
else {
- if (num <= LONG_MAX)
- return -(long)num;
- if (num == 1+(unsigned long)(-(LONG_MIN+1)))
- return LONG_MIN;
+ if (num <= 1+(unsigned long)(-(LONG_MIN+1)))
+ return -(long)(num-1)-1;
}
rb_raise(rb_eRangeError, "bignum out of range of unsigned long");
}
@@ -5097,10 +5095,8 @@ rb_big2long(VALUE x)
return num;
}
else {
- if (num <= LONG_MAX)
- return -(long)num;
- if (num == 1+(unsigned long)(-(LONG_MIN+1)))
- return LONG_MIN;
+ if (num <= 1+(unsigned long)(-(LONG_MIN+1)))
+ return -(long)(num-1)-1;
}
rb_raise(rb_eRangeError, "bignum too big to convert into `long'");
}
@@ -5139,10 +5135,8 @@ rb_big2ull(VALUE x)
return num;
}
else {
- if (num <= LLONG_MAX)
- return -(LONG_LONG)num;
- if (num == 1+(unsigned LONG_LONG)(-(LLONG_MIN+1)))
- return LLONG_MIN;
+ if (num <= 1+(unsigned LONG_LONG)(-(LLONG_MIN+1)))
+ return -(LONG_LONG)(num-1)-1;
}
rb_raise(rb_eRangeError, "bignum out of range of unsigned long long");
}
@@ -5157,10 +5151,8 @@ rb_big2ll(VALUE x)
return num;
}
else {
- if (num <= LLONG_MAX)
- return -(LONG_LONG)num;
- if (num == 1+(unsigned LONG_LONG)(-(LLONG_MIN+1)))
- return LLONG_MIN;
+ if (num <= 1+(unsigned LONG_LONG)(-(LLONG_MIN+1)))
+ return -(LONG_LONG)(num-1)-1;
}
rb_raise(rb_eRangeError, "bignum too big to convert into `long long'");
}