Epsilon double promotion warning/error. about micropython-ulab HOT 4 CLOSED

CC ../../extmod/ulab/code/vectorise.c
../../extmod/ulab/code/numerical.c: In function 'numerical_sum_mean_ndarray':
../../extmod/ulab/code/numerical.c:135:5: error: implicit declaration of function 'printf' [-Werror=implicit-function-declaration]
     printf("%ld, %ld\n", m, n);
     ^~~~~~
../../extmod/ulab/code/numerical.c:135:5: error: incompatible implicit declaration of built-in function 'printf' [-Werror]
../../extmod/ulab/code/numerical.c:135:5: note: include '<stdio.h>' or provide a declaration of 'printf'
../../extmod/ulab/code/numerical.c:135:15: error: format '%ld' expects argument of type 'long int', but argument 2 has type 'size_t {aka unsigned int}' [-Werror=format=]
     printf("%ld, %ld\n", m, n);
             ~~^
             %d
../../extmod/ulab/code/numerical.c:135:20: error: format '%ld' expects argument of type 'long int', but argument 3 has type 'size_t {aka unsigned int}' [-Werror=format=]
     printf("%ld, %ld\n", m, n);
                  ~~^
                  %d