warn_if
Test a condition and warn if true
Syntax
wcond = warn_if(wcond,msgstr,warnfunc)
Arguments
input
wcond condition to test msgstr string specifying warning message warnfunc string specifying which function issued the warning
output
wcond condition to test
Description
Tests the condition wcond; if false the warning message msgstr is printed. A string specifying which function issued the warning may be supplied in warnfunc - if not present it defaults to the enclosing function.
This utility is included for consistency with warn_test.
Example
A = 10;
if warn_if(A > 9, 'A is > 9 !!');
return % can't carry on
end