Cleanup

[mgates3]

Various cleanup tasks

• Replace deprecated lapy[23] with std::hypot
• Normalize spelling of safe_min and safe_max
• Update QR panel to match LAPACK larfg, which fixes tests with --matrix rand_small (see below)
• Fix make clean

Abbreviated output:

pangolin slate/test> ./tester --matrix rand,rand_ufl,rand_small,rand_large,rand_ofl geqrf
% SLATE version 2024.05.31, id 4ff661ab
% input: ./tester --matrix rand,rand_ufl,rand_small,rand_large,rand_ofl geqrf
% 2024-06-26 13:06:17, 1 MPI ranks, CPU-only MPI, 4 OpenMP threads per MPI rank

type   A    m    n     error  status
   d   1  500  500  5.23e-18  pass      # rand
   d   2  500  500  1.88e-03  FAILED    # rand_ufl
   d   3  500  500  1.92e-03  FAILED    # rand_small
   d   4  500  500  5.01e-18  pass      # rand_large
   d   5  500  500       nan  FAILED    # rand_ofl

% 3 tests FAILED: geqrf

pangolin slate/test> ./tester --matrix rand,rand_ufl,rand_small,rand_large,rand_ofl geqrf
% SLATE version 2024.05.31, id 57174564
% input: ./tester --matrix rand,rand_ufl,rand_small,rand_large,rand_ofl geqrf
% 2024-06-26 13:06:57, 1 MPI ranks, CPU-only MPI, 4 OpenMP threads per MPI rank

type   A    m    n     error  status
   d   1  500  500  4.93e-18  pass      # rand
   d   2  500  500  1.90e-03  FAILED    # rand_ufl
   d   3  500  500  5.00e-18  pass      # rand_small FIXED!
   d   4  500  500  4.59e-18  pass      # rand_large
   d   5  500  500       nan  FAILED    # rand_ofl

% Matrix kinds:
%  1: rand, cond unknown
%  2: rand_ufl, cond unknown
%  3: rand_small, cond unknown
%  4: rand_large, cond unknown
%  5: rand_ofl, cond unknown

% 2 tests FAILED: geqrf