Janne Grunau
2d497c141d
eval: add gt(), gte(), lt() and lte() fate tests
13 years ago
Max Lazarov
caac3ab6ef
eval: fix swapping of lt() and lte()
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CC: libav-stable@libav.org
13 years ago
Martin Storsjö
143f1e9203
eval: Add the isinf() function and tests for it
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Signed-off-by: Martin Storsjö <martin@martin.st>
13 years ago
maxlazarov
7a3df014b9
The lt and lte functions were swapped.
13 years ago
Michael Niedermayer
59affed23c
eval: add root() to solve f(x)=0
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
923092697a
eval: Allow specifying the variable id.
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Reviewed-by: Nicolas George <nicolas.george@normalesup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
43b1943a55
eval: Add taylor series evaluation support.
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Stefano Sabatini
999495734b
lavu/eval: add if() and ifnot() eval functions
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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.
13 years ago
Anton Khirnov
775af761a0
eval: test isnan(sqrt(-1)) instead of just sqrt(-1)
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sqrt(-1) returns "some NaN", it's not specified which exactly.
13 years ago
Stefano Sabatini
8cee38a298
eval: implement not() expression
13 years ago
Stefano Sabatini
9bc393908a
eval: add sqrt function for computing the square root
13 years ago
Ronald S. Bultje
dfd8116986
eval: add missing comma to tests.
14 years ago
Michael Niedermayer
16a565d0cb
eval/fate: try to fix nan printing format failures.
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
14 years ago
Mans Rullgard
94350ab986
eval: clear Parser instances before using
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This prevents random values from the stack being used as
"variables" in expressions.
Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
Mans Rullgard
883fd9e393
eval: add fate test
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Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago