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1 /* Copyright JS Foundation and other contributors, http://js.foundation
2  *
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include "ecma-globals.h"
17 #include "ecma-helpers.h"
18 #include "ecma-number-arithmetic.h"
19 
20 /** \addtogroup ecma ECMA
21  * @{
22  *
23  * \addtogroup numberarithmetic ECMA number arithmetic operations
24  * @{
25  */
26 
27 /**
28  * ECMA-defined number remainder calculation.
29  *
30  * See also:
31  *          ECMA-262 v5, 11.5.3
32  *
33  * @return number - calculated remainder.
34  */
35 ecma_number_t
ecma_op_number_remainder(ecma_number_t left_num,ecma_number_t right_num)36 ecma_op_number_remainder (ecma_number_t left_num, /**< left operand */
37                           ecma_number_t right_num) /**< right operand */
38 {
39   if (ecma_number_is_nan (left_num)
40       || ecma_number_is_nan (right_num)
41       || ecma_number_is_infinity (left_num)
42       || ecma_number_is_zero (right_num))
43   {
44     return ecma_number_make_nan ();
45   }
46   else if (ecma_number_is_infinity (right_num)
47            || (ecma_number_is_zero (left_num)
48                && !ecma_number_is_zero (right_num)))
49   {
50     return left_num;
51   }
52 
53   return ecma_number_calc_remainder (left_num, right_num);
54 } /* ecma_op_number_remainder */
55 
56 /**
57  * @}
58  * @}
59  */
60