| # | Line 88 | Line 88 | The following library of predefined functions and vari | |
|---|---|---|
| 88 | .BR PI | |
| 89 | the ratio of a circle's circumference to its diameter. | |
| 90 | .TP | |
| 91 | < | .BR "if(cond, then, else)" |
| 92 | < | if cond is greater than zero, |
| 91 | > | .BR "if(test, then, else)" |
| 92 | > | if test is greater than zero, |
| 93 | then is evaluated, otherwise else is evaluated. | |
| 94 | This function is necessary for recursive definitions. | |
| 95 | .TP | |
| – | Removed lines |
| + | Added lines |
| < | Changed lines |
| > | Changed lines |