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set error when trying to calculate log(0)

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This commit is contained in:
Jeff Wang 2019-10-03 00:30:31 -04:00
parent c3ec112f97
commit 181469dd57
1 changed files with 2 additions and 2 deletions
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4
src/decn/decn.c
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@ -863,8 +863,8 @@ void ln_decn(void){
#define NUM_TIMES Tmp3Decn
#define A_ARR_j Tmp4Decn
//check not negative
if (AccDecn.exponent < 0){
//check not negative or zero
if (AccDecn.exponent < 0 || decn_is_zero(&AccDecn)){
set_dec80_NaN(&AccDecn);
return;
}