diff options
Diffstat (limited to 'src/util/regexp.h')
| -rw-r--r-- | src/util/regexp.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/util/regexp.h b/src/util/regexp.h index e2d07111d..e91ca61e2 100644 --- a/src/util/regexp.h +++ b/src/util/regexp.h @@ -25,6 +25,7 @@ #include <ostream> #include <string> #include <vector> +#include "util/rational.h" namespace CVC4 { @@ -178,8 +179,14 @@ class CVC4_PUBLIC String { */ std::size_t roverlap(const String& y) const; + /** + * Returns true if this string corresponds in text to a number, for example + * this returns true for strings "7", "12", "004", "0" and false for strings + * "abc", "4a", "-4", "". + */ bool isNumber() const; - int toNumber() const; + /** Returns the corresponding rational for the text of this string. */ + Rational toNumber() const; const std::vector<unsigned>& getVec() const { return d_str; } /** is the unsigned a digit? |