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| author | Stefano Sabatini <stefasab@gmail.com> | 2012-01-16 01:59:42 +0400 |
|---|---|---|
| committer | Stefano Sabatini <stefasab@gmail.com> | 2012-01-17 15:03:30 +0400 |
| commit | 999495734b9de597f59590708979902f28ebce61 (patch) | |
| tree | 5d7bf9d6735a8aea4b5d93f8ed481eed738fc950 /tests | |
| parent | a798c20a76196d76db27f7446ab90f8062f3c4eb (diff) | |
lavu/eval: add if() and ifnot() eval functions
They allow to implement the if/then/else logic, which cannot be
implemented otherwise.
For example the expression:
A*B + not(A)*C
always evaluates to NaN if B is NaN, even in the case where A is 0.
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/ref/fate/eval | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tests/ref/fate/eval b/tests/ref/fate/eval index 88d7e17bee..09e310f25d 100644 --- a/tests/ref/fate/eval +++ b/tests/ref/fate/eval @@ -160,5 +160,14 @@ Evaluating 'PI^1.23' Evaluating 'pow(-1,1.23)' 'pow(-1,1.23)' -> nan +Evaluating 'if(1, 2)' +'if(1, 2)' -> 2.000000 + +Evaluating 'ifnot(0, 23)' +'ifnot(0, 23)' -> 23.000000 + +Evaluating 'ifnot(1, NaN) + if(0, 1)' +'ifnot(1, NaN) + if(0, 1)' -> 0.000000 + 12.700000 == 12.7 0.931323 == 0.931322575 |