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Use isfinite to determine if an FP number is valid.

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ref: https://forum.flightgear.org/viewtopic.php?f=30&t=36600&sid=4bdfcb69abb4a6440cd8965aa03815d5#p357164
This commit is contained in:
Richard Harrison 2019-12-29 13:50:21 +01:00
parent 1eadaa4cda
commit ba7134c2a2
1 changed files with 1 additions and 3 deletions
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simgear/nasal/mathlib.c
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@ -9,9 +9,7 @@
static int valid(double d)
{
union { double d; unsigned long long ull; } u;
u.d = d;
return ((u.ull >> 52) & 0x7ff) != 0x7ff;
return isfinite(d);
}
static naRef die(naContext c, const char* fn)