Package Quaternion fails to install

 > version
ans = 7.0.93
 > pkg install -forge quaternion
is_real_array.cc: In function ‘octave_value_list Fis_real_array(const 
octave_value_list&, int)’:
is_real_array.cc:49:32: error: ‘const class octave_value’ has no member 
named ‘is_numeric_type’; did you mean ‘is_matrix_type’?
    49 |                 || ! ((args(i).is_numeric_type () && 
args(i).is_real_type ())
       |                                ^~~~~~~~~~~~~~~
       |                                is_matrix_type
is_real_array.cc:49:62: error: ‘const class octave_value’ has no member 
named ‘is_real_type’; did you mean ‘is_int8_type’?
    49 |                 || ! ((args(i).is_numeric_type () && 
args(i).is_real_type ())
       | 
^~~~~~~~~~~~
       | 
is_int8_type
is_real_array.cc:50:34: error: ‘const class octave_value’ has no member 
named ‘is_bool_type’; did you mean ‘is_double_type’?
    50 |                       || args(i).is_bool_type ()))
       |                                  ^~~~~~~~~~~~
       |                                  is_double_type
make: *** [Makefile:5: is_real_array.oct] Error 1
make: Entering directory '/tmp/oct-oa5dPv/quaternion/src'
mkoctfile is_real_array.cc
make: Leaving directory '/tmp/oct-oa5dPv/quaternion/src'

error: pkg: error running 'make' for the quaternion package
error: called from
     configure_make at line 117 column 9
     install at line 202 column 7
     pkg at line 603 column 9

Looks like some changes were made to Octave and not reflected in the 
package.

Tom Dean


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