Mercurial > hg > octave-lyh
diff scripts/general/num2str.m @ 17300:c5073ed27cdc
Handle '+' format modifier in sprintf (bug #39773)
* libinterp/corefcn/oct-stream.cc: Print '+' character even for
Inf and NaN when '+' format specified.
* scripts/general/num2str.m: Handle Inf values correctly when
generating format for sprintf. Add new %!tests.
* test/io.tst: Add %! tests for sprintf behavior. Use Octave coding
conventions on rest of file.
| author | Rik <rik@octave.org> |
|---|---|
| date | Tue, 20 Aug 2013 11:06:20 -0700 |
| parents | 333243133364 |
| children | e351b499311e |
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--- a/scripts/general/num2str.m +++ b/scripts/general/num2str.m @@ -92,10 +92,9 @@ if (isnumeric (x)) ## Setup a suitable format string, ignoring inf entries dgt = floor (log10 (max (abs (x(!isinf (x(:))))))); - - ## If the whole input array is inf... if (isempty (dgt)) - dgt = 0; + ## If the whole input array is inf... + dgt = 1; endif if (any (x(:) != fix (x(:)))) @@ -130,8 +129,15 @@ endif else ## Setup a suitable format string - dgt = floor (log10 (max (max (abs (real (x(:)))), - max (abs (imag (x(:))))))); + #dgt = floor (log10 (max (max (abs (real (x(:)))), + # max (abs (imag (x(:))))))); + dgt = floor (log10 (max (max (abs (real (x(!isinf (real (x(:))))))), + max (abs (imag (x(!isinf (imag (x(:)))))))))); + if (isempty (dgt)) + ## If the whole input array is inf... + dgt = 1; + endif + if (any (x(:) != fix (x(:)))) ## Floating point input dgt = max (dgt + 4, 5); # Keep 4 sig. figures after decimal point @@ -183,7 +189,16 @@ %!assert (num2str (2^33+1i), "8589934592+1i") %!assert (num2str (-2^33+1i), "-8589934592+1i") %!assert (num2str (inf), "Inf") +%!assert (num2str ([inf -inf]), "Inf -Inf") +%!assert (num2str ([complex(Inf,0), complex(0,-Inf)]), "Inf+0i 0-Infi") +%!assert (num2str (complex(Inf,1)), "Inf+1i") +%!assert (num2str (complex(1,Inf)), "1+Infi") %!assert (num2str (nan), "NaN") +%!assert (num2str (complex (NaN, 1)), "NaN+1i") +%!assert (num2str (complex (1, NaN)), "1+NaNi") +%!assert (num2str (NA), "NA") +%!assert (num2str (complex (NA, 1)), "NA+1i") +%!assert (num2str (complex (1, NA)), "1+NAi") ## FIXME: Integers greater than bitmax() should be masked to show just ## 16 digits of precision.