C++ (Cpp) L_SIGN Examples

Example #1

File: dnabasic.c Project: stweil/leptonica-old

/*!
 *  l_dnaGetIValue()
 *
 *      Input:  da
 *              index (into l_dna)
 *              &ival  (<return> integer value; 0 on error)
 *      Return: 0 if OK; 1 on error
 *
 *  Notes:
 *      (1) Caller may need to check the function return value to
 *          decide if a 0 in the returned ival is valid.
 */
l_int32
l_dnaGetIValue(L_DNA    *da,
               l_int32   index,
               l_int32  *pival)
{
l_float64  val;

    PROCNAME("l_dnaGetIValue");

    if (!pival)
        return ERROR_INT("&ival not defined", procName, 1);
    *pival = 0;
    if (!da)
        return ERROR_INT("da not defined", procName, 1);

    if (index < 0 || index >= da->n)
        return ERROR_INT("index not valid", procName, 1);

    val = da->array[index];
    *pival = (l_int32)(val + L_SIGN(val) * 0.5);
    return 0;
}

Example #2

File: numabasic.c Project: AAAyag/tess-two

/*!
 *  numaGetIValue()
 *
 *      Input:  na
 *              index (into numa)
 *              &ival  (<return> integer value; 0 on error)
 *      Return: 0 if OK; 1 on error
 *
 *  Notes:
 *      (1) Caller may need to check the function return value to
 *          decide if a 0 in the returned ival is valid.
 */
l_int32
numaGetIValue(NUMA     *na,
              l_int32   index,
              l_int32  *pival)
{
l_float32  val;

    PROCNAME("numaGetIValue");

    if (!pival)
        return ERROR_INT("&ival not defined", procName, 1);
    *pival = 0;
    if (!na)
        return ERROR_INT("na not defined", procName, 1);

    if (index < 0 || index >= na->n)
        return ERROR_INT("index not valid", procName, 1);

    val = na->array[index];
    *pival = (l_int32)(val + L_SIGN(val) * 0.5);
    return 0;
}