vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:14:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
14 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
| ^
vision.cpp:34:2: note: in expansion of macro 'fp'
34 | fp(i,0,h){
| ^~
vision.cpp:14:27: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
14 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
| ^
vision.cpp:36:3: note: in expansion of macro 'fp'
36 | fp(j,0,w)
| ^~
vision.cpp:14:27: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
14 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
| ^
vision.cpp:43:2: note: in expansion of macro 'fp'
43 | fp(j,0,w){
| ^~
vision.cpp:14:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
14 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
| ^
vision.cpp:45:3: note: in expansion of macro 'fp'
45 | fp(i,0,h)
| ^~
vision.cpp:14:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
14 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
| ^
vision.cpp:56:2: note: in expansion of macro 'fp'
56 | fp(i,1,h){
| ^~
vision.cpp:14:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
14 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
| ^
vision.cpp:60:2: note: in expansion of macro 'fp'
60 | fp(i,1,w){
| ^~