By default in Frama-C, NaN values are considered as errors and should not be
produced by calls to library functions.

Only one builtin for the allocation functions.

Uses the eva_allocate annotation in the tests that used several builtins for
different calls to the same function.

Virgile Prevosto authored 5 years ago and David Bühler committed 5 years ago

so that Eva won't raise an alarm on them.