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# variables.hpp File Reference

`#include <string>`

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## Functions
double | get_variable (std::string const &name)
void | set_variable (std::string const &name, double value)

## Function Documentation

double get_variable | ( | std::string const & | name | ) |

Get the value of a variable.

Parameters:

  | name | The variable name

Returns:
  The value of variable `name` or 0.0 if the variable is undefined.

Definition at line 18 of file variables.cpp.

References variables.

    00019 {
    00020   return variables[name];
    00021 }

void set_variable | ( | std::string const & | name,
|  | double | value |
| ) |  |  |

Set the value of a variable.

Parameters:

  | name | The variable name
  | value | The value. if the variable is already defined, changes its value.

Definition at line 23 of file variables.cpp.

References variables.

    00024 {
    00025   variables[name] = value;
    00026 }