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<p style="margin-top:0;margin-bottom:0"><span style="white-space:pre-wrap; font-size:12pt">Dear Quantum Espresso Users,</span></p>
<p style="margin-top:0;margin-bottom:0"><span style="white-space:pre-wrap; font-size:12pt"></span><br>
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<p style="margin-top:0; margin-bottom:0"><span><span>Why does the message <br>
</span></span></p>
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</span></span></p>
<p style="margin-top:0; margin-bottom:0"><span><span>"<span>Note: The following floating-point exceptions are signalling: IEEE_UNDERFLOW_FLAG IEEE_DENORMAL</span>"
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</span></span></p>
<p style="margin-top:0; margin-bottom:0"><span><span>appear at the end of calculations made with quantum espresso? and What does this message mean?</span></span></p>
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<pre style="white-space:pre-wrap">Thanking you,
Yours sincerely,
Tahsin</pre>
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<div style="color: rgb(0, 0, 0);">****************input file******************************************
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<div>&CONTROL<br>
calculation = 'scf',<br>
prefix = 'SbSeI',<br>
pseudo_dir='./',<br>
tstress=.true.,<br>
/<br>
&SYSTEM<br>
ibrav = 8, <br>
celldm(1) = 16.34613749,<br>
celldm(2) = 1.2,<br>
celldm(3) = 0.47630058,<br>
nat = 12, <br>
ntyp = 3, <br>
ecutwfc = 60,<br>
ecutrho = 180,<br>
/<br>
&ELECTRONS<br>
mixing_beta = 0.7,<br>
/<br>
<br>
ATOMIC_SPECIES<br>
Sb 121.76 Sb.pbe-hgh.UPF<br>
Se 78.96 Se.pbe-hgh.UPF<br>
I 126.90447 I.pbe-hgh.UPF<br>
<br>
ATOMIC_POSITIONS (crystal)<br>
Sb 0.1180000 0.1300000 0.2500000 <br>
Sb 0.3820000 0.6300000 0.7500000 <br>
Sb 0.8820000 0.8700000 0.7500000 <br>
Sb 0.6180000 0.3700000 0.2500000 <br>
Se 0.8350000 0.0600000 0.2500000 <br>
Se 0.6650000 0.5600000 0.7500000 <br>
Se 0.1650000 0.9400000 0.7500000 <br>
Se 0.3350000 0.4400000 0.2500000 <br>
I 0.5150000 0.8250000 0.2500000 <br>
I 0.9850000 0.3250000 0.7500000 <br>
I 0.4850000 0.1750000 0.7500000 <br>
I 0.0150000 0.6750000 0.2500000 <br>
K_POINTS (automatic)<br>
4 4 10 1 1 1</div>
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