1 // Copyright 2016 The SwiftShader Authors. All Rights Reserved.
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 #include <limits>
16
17 #include "util.h"
18 #include "preprocessor/numeric_lex.h"
19
atof_clamp(const char * str,float * value)20 bool atof_clamp(const char *str, float *value)
21 {
22 bool success = pp::numeric_lex_float(str, value);
23 if(!success)
24 *value = std::numeric_limits<float>::max();
25 return success;
26 }
27
atoi_clamp(const char * str,int * value)28 bool atoi_clamp(const char *str, int *value)
29 {
30 bool success = pp::numeric_lex_int(str, value);
31 if(!success)
32 *value = std::numeric_limits<int>::max();
33 return success;
34 }
35
atou_clamp(const char * str,unsigned int * value)36 bool atou_clamp(const char *str, unsigned int *value)
37 {
38 bool success = pp::numeric_lex_int(str, value);
39 if(!success)
40 *value = std::numeric_limits<unsigned int>::max();
41 return success;
42 }
43