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disallow subtraction/negation of error

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This commit is contained in:
Jeff Wang 2019-10-21 02:31:18 -04:00
parent c05a402b72
commit 581a8e26f1
1 changed files with 3 additions and 0 deletions
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3
src/decn/decn.c
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@ -406,6 +406,9 @@ void negate_decn(dec80* x){
#else
static const exp_t xor_val = -(0x7f) - 1;
#endif
if (decn_is_nan(x)){
return;
}
(x->exponent) ^= xor_val;
}