error while running a deformable part model

System

Ubuntu

Matlab r2020b

gcc 9.3

While running the compile.m following error (underlined) shows

Building with 'g++'.

/home/nasim/Desktop/voc-release5/2012/voc-dpm/fv_cache/fv_cache.cc: In function ‘void gradient_handler(int, mxArray**, int, const mxArray**)’:

/home/nasim/Desktop/voc-release5/2012/voc-dpm/fv_cache/fv_cache.cc:417:21: warning: narrowing conversion of ‘dim’ from ‘int’ to ‘mwSize’ {aka ‘long unsigned int’} [-Wnarrowing]

417 | mwSize dims[] = { dim };

| ^~~

/home/nasim/Desktop/voc-release5/2012/voc-dpm/fv_cache/fv_cache.cc: In function ‘void get_model_handler(int, mxArray**, int, const mxArray**)’:

/home/nasim/Desktop/voc-release5/2012/voc-dpm/fv_cache/fv_cache.cc:510:23: warning: narrowing conversion of ‘(int)M.model::num_blocks’ from ‘int’ to ‘mwSize’ {aka ‘long unsigned int’} [-Wnarrowing]

510 | mwSize dims[] = { M.num_blocks };

| ~~^~~~~~~~~~

/home/nasim/Desktop/voc-release5/2012/voc-dpm/fv_cache/fv_cache.cc:515:38: warning: narrowing conversion of ‘(((int)M.model::block_sizes) + ((sizetype)(((long unsigned int)i) * 4)))’ from ‘int’ to ‘mwSize’ {aka ‘long unsigned int’} [-Wnarrowing]

515 | mwSize dims[] = { M.block_sizes[i] };

| ~~~~~~~~~~~~~~~^

MEX completed successfully.

Building with 'g++'.

Error using mex

/home/nasim/Desktop/voc-release5/2012/voc-dpm/star-cascade/cascade.cc: In function ‘double conv(int, int,

const float*, const mwSize*, const float*, const mwSize*, int)’:

/home/nasim/Desktop/voc-release5/2012/voc-dpm/star-cascade/cascade.cc:62:25: warning: comparison of integer

expressions of different signedness: ‘int’ and ‘const mwSize’ {aka ‘const long unsigned int’}

[-Wsign-compare]

62 | for (int xp = 0; xp < B_dims[1]; xp++) {

| ~~~^~~~~~~~~~~

/home/nasim/Desktop/voc-release5/2012/voc-dpm/star-cascade/cascade.cc: In function ‘double rconv(int, int,

int, int, int)’:

/home/nasim/Desktop/voc-release5/2012/voc-dpm/star-cascade/cascade.cc:97:43: error: cannot convert ‘int*’

to ‘const mwSize*’ {aka ‘const long unsigned int*’} in initialization

97 | const mwSize A_dims = MODEL->featdims[L];

| ~~~~~~~~~~~~~~~~~^

| |

| int

/home/nasim/Desktop/voc-release5/2012/voc-dpm/star-cascade/cascade.cc: In function ‘double pconvdt(int,

int, int, int, int, int, int, int, int, int, double)’:

/home/nasim/Desktop/voc-release5/2012/voc-dpm/star-cascade/cascade.cc:116:43: error: cannot convert ‘int*’

to ‘const mwSize*’ {aka ‘const long unsigned int*’} in initialization

116 | const mwSize A_dims = MODEL->featdims[L];

| ~~~~~~~~~~~~~~~~~^

| |

| int

/home/nasim/Desktop/voc-release5/2012/voc-dpm/star-cascade/cascade.cc: In function ‘double partscore(int,

int, int, int, int, int, double)’:

/home/nasim/Desktop/voc-release5/2012/voc-dpm/star-cascade/cascade.cc:195:43: error: cannot convert ‘int*’

to ‘const mwSize*’ {aka ‘const long unsigned int*’} in initialization

195 | const mwSize A_dims = MODEL->featdims[L];

| ~~~~~~~~~~~~~~~~~^

| |

| int

Error in cascade_compile (line 55)

eval(mexcmd);

Error in compile (line 44)

cascade_compile(opt, verb);

[Madhav Thakker]

Hi Nasim,

Have a look at https://in.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer and make edits to the question as necessary.