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-rw-r--r--numeric.c40
1 files changed, 12 insertions, 28 deletions
diff --git a/numeric.c b/numeric.c
index cb9a7803c8..69bb573cc7 100644
--- a/numeric.c
+++ b/numeric.c
@@ -4985,11 +4985,10 @@ int_dotimes(VALUE num)
* When the precision is negative, the returned value is an integer
* with at least <code>ndigits.abs</code> trailing zeros.
*
- * Returns a floating point number when +ndigits+ is positive,
- * +self+ for zero, and an integer for negative.
+ * Returns +self+ when +ndigits+ is zero or positive.
*
* 1.round #=> 1
- * 1.round(2) #=> 1.0
+ * 1.round(2) #=> 1
* 15.round(-1) #=> 20
* (-15).round(-1) #=> -20
*
@@ -5017,10 +5016,7 @@ int_round(int argc, VALUE* argv, VALUE num)
if (!rb_scan_args(argc, argv, "01:", &nd, &opt)) return num;
ndigits = NUM2INT(nd);
mode = rb_num_get_rounding_option(opt);
- if (ndigits > 0) {
- return rb_Float(num);
- }
- if (ndigits == 0) {
+ if (ndigits >= 0) {
return num;
}
return rb_int_round(num, ndigits, mode);
@@ -5037,11 +5033,10 @@ int_round(int argc, VALUE* argv, VALUE num)
* When the precision is negative, the returned value is an integer
* with at least <code>ndigits.abs</code> trailing zeros.
*
- * Returns a floating point number when +ndigits+ is positive,
- * +self+ for zero, and an integer for negative.
+ * Returns +self+ when +ndigits+ is zero or positive.
*
* 1.floor #=> 1
- * 1.floor(2) #=> 1.0
+ * 1.floor(2) #=> 1
* 18.floor(-1) #=> 10
* (-18).floor(-1) #=> -20
*/
@@ -5053,10 +5048,7 @@ int_floor(int argc, VALUE* argv, VALUE num)
if (!rb_check_arity(argc, 0, 1)) return num;
ndigits = NUM2INT(argv[0]);
- if (ndigits > 0) {
- return rb_Float(num);
- }
- if (ndigits == 0) {
+ if (ndigits >= 0) {
return num;
}
return rb_int_floor(num, ndigits);
@@ -5073,11 +5065,10 @@ int_floor(int argc, VALUE* argv, VALUE num)
* When the precision is negative, the returned value is an integer
* with at least <code>ndigits.abs</code> trailing zeros.
*
- * Returns a floating point number when +ndigits+ is positive,
- * +self+ for zero, and an integer for negative.
+ * Returns +self+ when +ndigits+ is zero or positive.
*
* 1.ceil #=> 1
- * 1.ceil(2) #=> 1.0
+ * 1.ceil(2) #=> 1
* 18.ceil(-1) #=> 20
* (-18).ceil(-1) #=> -10
*/
@@ -5089,10 +5080,7 @@ int_ceil(int argc, VALUE* argv, VALUE num)
if (!rb_check_arity(argc, 0, 1)) return num;
ndigits = NUM2INT(argv[0]);
- if (ndigits > 0) {
- return rb_Float(num);
- }
- if (ndigits == 0) {
+ if (ndigits >= 0) {
return num;
}
return rb_int_ceil(num, ndigits);
@@ -5109,11 +5097,10 @@ int_ceil(int argc, VALUE* argv, VALUE num)
* When the precision is negative, the returned value is an integer
* with at least <code>ndigits.abs</code> trailing zeros.
*
- * Returns a floating point number when +ndigits+ is positive,
- * +self+ for zero, and an integer for negative.
+ * Returns +self+ when +ndigits+ is zero or positive.
*
* 1.truncate #=> 1
- * 1.truncate(2) #=> 1.0
+ * 1.truncate(2) #=> 1
* 18.truncate(-1) #=> 10
* (-18).truncate(-1) #=> -10
*/
@@ -5125,10 +5112,7 @@ int_truncate(int argc, VALUE* argv, VALUE num)
if (!rb_check_arity(argc, 0, 1)) return num;
ndigits = NUM2INT(argv[0]);
- if (ndigits > 0) {
- return rb_Float(num);
- }
- if (ndigits == 0) {
+ if (ndigits >= 0) {
return num;
}
return rb_int_truncate(num, ndigits);