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numeric.c: implement ceil, floor, round, truncate methods in C.

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- ISO 15.2.8.3.14 Integer#ceil
- ISO 15.2.8.3.17 Integer#floor
- ISO 15.2.8.3.20 Integer#round
- ISO 15.2.8.3.26 Integer#truncate
This commit is contained in:
Yukihiro "Matz" Matsumoto
2022-08-09 15:48:21 +09:00
parent 7340ad1c8b
commit abec98c681
2 changed files with 28 additions and 28 deletions
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mrblib/numeric.rb
-28
View File
@@ -125,34 +125,6 @@ class Integer
end
self
end
##
# Returns the receiver simply.
#
# ISO 15.2.8.3.14
def ceil(n=0)
self
end
##
# Returns the receiver simply.
#
# ISO 15.2.8.3.17
def floor(n=0)
self
end
##
# Returns the receiver simply.
#
# ISO 15.2.8.3.24
alias round floor
##
# Returns the receiver simply.
#
# ISO 15.2.8.3.26
alias truncate floor
end
class Float
src/numeric.c
+28
View File
@@ -1565,6 +1565,30 @@ int_rshift(mrb_state *mrb, mrb_value x)
return mrb_int_value(mrb, val);
}
/* 15.2.8.3.14 Integer#ceil */
/* 15.2.8.3.17 Integer#floor */
/* 15.2.8.3.20 Integer#round */
/* 15.2.8.3.26 Integer#truncate */
/*
* call-seq:
* int.ceil -> int
* int.floor -> int
* int.round -> int
* int.truncate -> int
*
* Returns self.
*/
static mrb_value
int_ceil(mrb_state *mrb, mrb_value x)
{
return x;
}
#define int_floor int_ceil
#define int_round int_ceil
#define int_truncate int_ceil
/* 15.2.8.3.23 */
/*
* call-seq:
@@ -2038,6 +2062,10 @@ mrb_init_numeric(mrb_state *mrb)
mrb_define_method(mrb, integer, "^", int_xor, MRB_ARGS_REQ(1)); /* 15.2.8.3.11 */
mrb_define_method(mrb, integer, "<<", int_lshift, MRB_ARGS_REQ(1)); /* 15.2.8.3.12 */
mrb_define_method(mrb, integer, ">>", int_rshift, MRB_ARGS_REQ(1)); /* 15.2.8.3.13 */
mrb_define_method(mrb, integer, "ceil", int_ceil, MRB_ARGS_OPT(1)); /* 15.2.8.3.14 */
mrb_define_method(mrb, integer, "floor", int_floor, MRB_ARGS_OPT(1)); /* 15.2.8.3.17 */
mrb_define_method(mrb, integer, "round", int_round, MRB_ARGS_OPT(1)); /* 15.2.8.3.20 */
mrb_define_method(mrb, integer, "truncate", int_truncate, MRB_ARGS_OPT(1)); /* 15.2.8.3.26 */
mrb_define_method(mrb, integer, "hash", int_hash, MRB_ARGS_NONE()); /* 15.2.8.3.18 */
#ifndef MRB_NO_FLOAT
mrb_define_method(mrb, integer, "to_f", int_to_f, MRB_ARGS_NONE()); /* 15.2.8.3.23 */