comparison: src/miscallenous.cc
src/miscallenous.cc
- changeset 800
- a1d9b7fff8f7
- parent 799
- c18c8846f6a7
- child 817
- cee9f0ecac66
equal
deleted
inserted
replaced
| 799:c18c8846f6a7 | 800:a1d9b7fff8f7 |
|---|---|
| 136 return out; | 136 return out; |
| 137 } | 137 } |
| 138 | 138 |
| 139 // ============================================================================= | 139 // ============================================================================= |
| 140 // | 140 // |
| 141 bool numeric (const QString& tok) | |
| 142 { | |
| 143 bool gotDot = false; | |
| 144 | |
| 145 for (int i = 0; i < tok.length(); ++i) | |
| 146 { | |
| 147 const QChar c = tok[i]; | |
| 148 | |
| 149 // Allow leading hyphen for negatives | |
| 150 if (i == 0 && c == '-') | |
| 151 continue; | |
| 152 | |
| 153 // Check for decimal point | |
| 154 if (not gotDot && c == '.') | |
| 155 { | |
| 156 gotDot = true; | |
| 157 continue; | |
| 158 } | |
| 159 | |
| 160 if (c >= '0' && c <= '9') | |
| 161 continue; // Digit | |
| 162 | |
| 163 // If the above cases didn't catch this character, it was | |
| 164 // illegal and this is therefore not a number. | |
| 165 return false; | |
| 166 } | |
| 167 | |
| 168 return true; | |
| 169 } | |
| 170 | |
| 171 // ============================================================================= | |
| 172 // | |
| 173 void simplify (int& numer, int& denom) | 141 void simplify (int& numer, int& denom) |
| 174 { | 142 { |
| 175 bool repeat; | 143 bool repeat; |
| 176 | 144 |
| 177 do | 145 do |
