Mercurial > hg > octave-max
changeset 12936:b74cb659e757
accept but discard sign when reading NA and NaN values
* lo-utils.cc (octave_read_value<double>, octave_read_value<float>):
Accept but discard sign for NA and NaN values.
* oct-stream.cc (octave_scan<double>): Simplify by calling
octave_read_value<double>.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Mon, 08 Aug 2011 12:14:41 -0400 |
| parents | 9529392f020e |
| children | 1eebae7ac5d2 |
| files | liboctave/lo-utils.cc src/oct-stream.cc |
| diffstat | 2 files changed, 11 insertions(+), 149 deletions(-) [+] |
line wrap: on
line diff
--- a/liboctave/lo-utils.cc +++ b/liboctave/lo-utils.cc @@ -244,6 +244,8 @@ return d; } +// Read a double value. Discard any sign on NaN and NA. + template <> double octave_read_value (std::istream& is) @@ -261,7 +263,7 @@ { char c2 = 0; c2 = is.get (); - if (c2 == 'i' || c2 == 'I') + if (c2 == 'i' || c2 == 'I' || c2 == 'n' || c2 == 'N') d = read_inf_nan_na (is, c2, c1); else { @@ -276,7 +278,7 @@ { char c2 = 0; c2 = is.get (); - if (c2 == 'i' || c2 == 'I') + if (c2 == 'i' || c2 == 'I' || c2 == 'n' || c2 == 'N') d = read_inf_nan_na (is, c2, c1); else { @@ -392,6 +394,8 @@ return d; } +// Read a float value. Discard any sign on NaN and NA. + template <> float octave_read_value (std::istream& is) @@ -409,7 +413,7 @@ { char c2 = 0; c2 = is.get (); - if (c2 == 'i' || c2 == 'I') + if (c2 == 'i' || c2 == 'I' || c2 == 'n' || c2 == 'N') d = read_float_inf_nan_na (is, c2, c1); else { @@ -424,7 +428,7 @@ { char c2 = 0; c2 = is.get (); - if (c2 == 'i' || c2 == 'I') + if (c2 == 'i' || c2 == 'I' || c2 == 'n' || c2 == 'N') d = read_float_inf_nan_na (is, c2, c1); else {
--- a/src/oct-stream.cc +++ b/src/oct-stream.cc @@ -1227,151 +1227,9 @@ if (c1 != EOF) { - if (c1 == 'N') - { - int c2 = is.get (); - - if (c2 != EOF) - { - if (c2 == 'A') - { - int c3 = is.get (); - - if (c3 != EOF) - { - is.putback (c3); - - if (isspace (c3) || ispunct (c3)) - ref = octave_NA; - else - { - is.putback (c2); - is.putback (c1); - - is >> ref; - } - } - else - { - is.clear (); - - ref = octave_NA; - } - } - else if (c2 == 'a') - { - int c3 = is.get (); - - if (c3 != EOF) - { - if (c3 == 'N') - { - int c4 = is.get (); - - if (c4 != EOF) - { - is.putback (c4); - - if (isspace (c4) || ispunct (c4)) - ref = octave_NaN; - else - { - is.putback (c3); - is.putback (c2); - is.putback (c1); - - is >> ref; - } - } - else - { - is.clear (); - - ref = octave_NaN; - } - } - else - { - is.putback (c3); - is.putback (c2); - is.putback (c1); - - is >> ref; - } - } - } - else - { - is.putback (c2); - is.putback (c1); - - is >> ref; - } - } - } - else if (c1 == 'I') - { - int c2 = is.get (); - - if (c2 != EOF) - { - if (c2 == 'n') - { - int c3 = is.get (); - - if (c3 != EOF) - { - if (c3 == 'f') - { - int c4 = is.get (); - - if (c4 != EOF) - { - is.putback (c4); - - if (isspace (c4) || ispunct (c4)) - ref = octave_Inf; - else - { - is.putback (c3); - is.putback (c2); - is.putback (c1); - - is >> ref; - } - } - else - { - is.clear (); - - ref = octave_Inf; - } - } - else - { - is.putback (c3); - is.putback (c2); - is.putback (c1); - - is >> ref; - } - } - else - { - is.putback (c2); - is.putback (c1); - - is >> ref; - } - } - } - } - else - { - is.putback (c1); - - is >> ref; - } + is.putback (c1); + + ref = octave_read_value<double> (is); } } break;