casadi_fprintf_scalar.hpp
1 //
2 // MIT No Attribution
3 //
4 // Copyright (C) 2010-2023 Joel Andersson, Joris Gillis, Moritz Diehl, KU Leuven.
5 //
6 // Permission is hereby granted, free of charge, to any person obtaining a copy of this
7 // software and associated documentation files (the "Software"), to deal in the Software
8 // without restriction, including without limitation the rights to use, copy, modify,
9 // merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
10 // permit persons to whom the Software is furnished to do so.
11 //
12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
13 // INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
14 // PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
15 // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
16 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
17 // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
18 //
19 
20 // C-REPLACE "std::numeric_limits<T1>::infinity()" "casadi_inf"
21 
22 // SYMBOL "fprintf_scalar"
23 template<typename T1>
24 void casadi_fprintf_scalar(FILE* f, T1 a) {
25  if (a!=a) {
26  fprintf(f, "nan");
27  } else if (a==std::numeric_limits<T1>::infinity()) {
28  fprintf(f, "inf");
29  } else if (a==-std::numeric_limits<T1>::infinity()) {
30  fprintf(f, "-inf");
31  } else {
32  fprintf(f, "%.16e", a);
33  }
34 }