glspectrum sketchy arithmetic
../../modules/visualization/glspectrum.c: In function ‘Thread’:
../../modules/visualization/glspectrum.c:528:43: warning: result of ‘2^16’ is 18; did you mean ‘1 << 16’ (65536)? [-Wxor-used-as-pow]
528 | p_dest[i] = p_output[i] * (2 ^ 16)
| ^
| -
| 1 <<
../../modules/visualization/glspectrum.c:528:41: note: you can silence this warning by using a hexadecimal constant (0x2 rather than 2)
528 | p_dest[i] = p_output[i] * (2 ^ 16)
| ^
| 0x2