Tpetra?: <float>,<complex> multiplication operator not defined

[markyoder]

Bug Report

@trilinos/Tpetra>

Getting a, "operator* not defined":
Trilinos/packages/tpetra/core/test/ImportExport2/ImportExport2_CrsSortingUtils.cpp:289:62: error: no match for ‘operator*’ (operand types are ‘double’ and ‘__gnu_cxx::__alloc_traits<std::allocator<std::complex<float> >, std::complex<float> >::value_type’ {aka ‘std::complex<float>’})

part of:

// Unit Test the functionality in Tpetra_Import_Util
TEUCHOS_UNIT_TEST_TEMPLATE_3_DECL( Import_Util, SortCrsEntries, Scalar, LO, GO)
{

It's a bit surprising because the error seems to imply that std:<complex> does not support simple scalar multiplication. Addition appears to be supported (if I replace 2*x with x+x it seems to work. also, *= is supported, so replacing:

for (size_type i=0; i<new_num_entries; i++) vals2[i] = 2.*vals[i];

with the. block,

      for (size_type i=0; i<new_num_entries; i++) {
          vals2[i] = vals[i];
          vals2[i]*=2.0;
            };

also fixes the problem.

Description

What went wrong? What should have happened? Do you have an idea what might
fix things? How has this bug affected you? What are you trying to accomplish?
What specifically must we demonstrate to call this work complete?

Steps to Reproduce

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[kddevin]

Thanks @markyoder. Can you please post your cmake configuration command? Thank you.

[kddevin]

Actually, this issue was fixed with #6336 in Nov 2019.
I will assume the report was for an older version of Trilinos.
Please reopen this issue if it is still a problem.