Interface Calling Example

Create a test.cpp file.

Add the following code to the test.cpp file.

#include "hmpp.h" 
#define BUFFER_SIZE_T 500 
void AddExample() { 
    uint32_t *src1 = HMPPS_Malloc_32u(BUFFER_SIZE_T); 
    uint32_t *src2 = HMPPS_Malloc_32u(BUFFER_SIZE_T); 
    uint32_t *dst = HMPPS_Malloc_32u(BUFFER_SIZE_T); 
    int32_t i, result; 
 
    if (src1 == NULL || src2 == NULL || dst == NULL) { 
        return; 
    } 
    for (i = 0; i < BUFFER_SIZE_T; ++i) { 
         src1[i] = i; 
         src2[i] = i + 1; 
    } 
     
    result = HMPPS_Add_32u(src1, src2, dst, BUFFER_SIZE_T); 
    printf("result = %d \n dst = ", result); 
    for (i = 0; i < BUFFER_SIZE_T; i++) { 
        printf("%d ", dst[i]); 
    } 
    printf("\n"); 
 
    HMPPS_Free(src1); 
    HMPPS_Free(src2); 
    HMPPS_Free(dst); 
}

int main(void){ 
    AddExample(); 
    return 0; 
}

Example of Compiling and Executing a File

Compile the file.

g++ test.cpp -o test -lHMPP_fft -lHMPP_fftf -lHMPP_signal -lHMPP_core -lHMPP_image

Execute the file.

./test

Troubleshooting

Symptom:

"fatal error: hmpp.h: No such file or directory"
"./test: error while loading shared libraries: libHMPP_core.so.1.0.0: cannot open shared object file: No such file or directory"

Procedure:

Check whether header files and dynamic libraries exist in /usr/local/include/HMPP and /usr/local/lib/HMPP.

Add the following environment variables to /etc/profile:

export C_INCLUDE_PATH=$C_INCLUDE_PATH:/usr/local/include/HMPP 
export CPLUS_INCLUDE_PATH=$CPLUS_INCLUDE_PATH:/usr/local/include/HMPP 
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib/HMPP 
export LIBRARY_PATH=$LIBRARY_PATH:/usr/local/lib/HMPP

Make the settings take effect.
```
source /etc/profile
```

Parent topic: Using the HMPP