* installing *source* package ‘hann’ ...
** this is package ‘hann’ version ‘1.2’
** using staged installation
** libs
using C compiler: ‘Debian clang version 21.1.8 (1+b1)’
clang-21 -std=gnu23 -I"/home/hornik/tmp/R-d-clang-21/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -c common_utils.c -o common_utils.o
clang-21 -std=gnu23 -I"/home/hornik/tmp/R-d-clang-21/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -c energy.c -o energy.o
clang-21 -std=gnu23 -I"/home/hornik/tmp/R-d-clang-21/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -c hann.c -o hann.o
clang-21 -std=gnu23 -I"/home/hornik/tmp/R-d-clang-21/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -c prototype_6.c -o prototype_6.o
clang-21 -std=gnu23 -I"/home/hornik/tmp/R-d-clang-21/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -c prototype_7.c -o prototype_7.o
prototype_7.c:202:34: error: use of undeclared identifier 'O7'
  202 |     fast_mat_prod_0(sigma_xi, w, O7, K, C, N);
      |                                  ^~
prototype_7.c:205:2: error: use of undeclared identifier 'O7'
  205 |         O7[i] = my_tanh(BETA * O7[i] + bias[i/K]); // integer division (i/K)
      |         ^~
prototype_7.c:205:25: error: use of undeclared identifier 'O7'
  205 |         O7[i] = my_tanh(BETA * O7[i] + bias[i/K]); // integer division (i/K)
      |                                ^~
prototype_7.c:208:23: error: use of undeclared identifier 'O7'
  208 |         k = do_error_rate(E, O7, K, C);
      |                              ^~
prototype_7.c:214:6: error: use of undeclared identifier 'bar_O7'
  214 |             bar_O7[i] = bar(O7[i]);
      |             ^~~~~~
prototype_7.c:214:22: error: use of undeclared identifier 'O7'
  214 |             bar_O7[i] = bar(O7[i]);
      |                             ^~
prototype_7.c:214:22: error: use of undeclared identifier 'O7'
  214 |             bar_O7[i] = bar(O7[i]);
      |                             ^~
prototype_7.c:219:6: error: use of undeclared identifier 'Deviation'
  219 |             Deviation[i] = s = O7[i] - E[i];
      |             ^~~~~~~~~
prototype_7.c:219:25: error: use of undeclared identifier 'O7'
  219 |             Deviation[i] = s = O7[i] - E[i];
      |                                ^~
prototype_7.c:224:17: error: use of undeclared identifier 'O7'
  224 |             val += pow(O7[i] - E[i], 2);
      |                        ^~
prototype_7.c:243:29: error: use of undeclared identifier 'bar_O7'
  243 |                 s += sigma_xi[mu + i*K] * bar_O7[idx] * Deviation[idx];
      |                                           ^~~~~~
prototype_7.c:243:43: error: use of undeclared identifier 'Deviation'
  243 |                 s += sigma_xi[mu + i*K] * bar_O7[idx] * Deviation[idx];
      |                                                         ^~~~~~~~~
prototype_7.c:255:11: error: use of undeclared identifier 'bar_O7'
  255 |             s += bar_O7[idx] * Deviation[idx];
      |                  ^~~~~~
prototype_7.c:255:25: error: use of undeclared identifier 'Deviation'
  255 |             s += bar_O7[idx] * Deviation[idx];
      |                                ^~~~~~~~~
prototype_7.c:499:5: error: use of undeclared identifier 'O7'
  499 |     O7 = (double*)R_alloc(KC, sizeof(double));
      |     ^~
prototype_7.c:500:5: error: use of undeclared identifier 'Deviation'
  500 |     Deviation = (double*)R_alloc(KC, sizeof(double));
      |     ^~~~~~~~~
prototype_7.c:501:5: error: use of undeclared identifier 'bar_O7'
  501 |     bar_O7 = (double*)R_alloc(KC, sizeof(double));
      |     ^~~~~~
17 errors generated.
make: *** [/home/hornik/tmp/R-d-clang-21/etc/Makeconf:194: prototype_7.o] Error 1
ERROR: compilation failed for package ‘hann’
* removing ‘/srv/hornik/tmp/CRAN_pretest/hann.Rcheck/hann’