C++ (Cpp) IS_NULL_C示例

示例#1

文件： xshiftl.c 项目： AsherBond/MondocosmOS

int f_shiftl(int argc, const int *argt, void **args)
{
    CELL *res = args[0];
    CELL *arg1 = args[1];
    CELL *arg2 = args[2];
    int i;

    if (argc < 2)
	return E_ARG_LO;
    if (argc > 2)
	return E_ARG_HI;

    if (argt[1] != CELL_TYPE || argt[2] != CELL_TYPE)
	return E_ARG_TYPE;

    if (argt[0] != CELL_TYPE)
	return E_RES_TYPE;

    for (i = 0; i < columns; i++) {
	if (IS_NULL_C(&arg1[i]) || IS_NULL_C(&arg2[i]))
	    SET_NULL_C(&res[i]);
	else
	    res[i] = arg1[i] << arg2[i];
    }

    return 0;
}

示例#2

文件： xor2.c 项目： GRASS-GIS/grass-ci

int f_or2(int argc, const int *argt, void **args)
{
    CELL *res = args[0];
    int i, j;

    if (argc < 1)
	return E_ARG_LO;

    if (argt[0] != CELL_TYPE)
	return E_RES_TYPE;

    for (i = 1; i <= argc; i++)
	if (argt[i] != argt[0])
	    return E_ARG_TYPE;

    for (i = 0; i < columns; i++) {
	res[i] = 0;
	for (j = 1; j <= argc; j++) {
	    CELL *arg = args[j];
	    if (!IS_NULL_C(&arg[i]) && arg[i]) {
		res[i] = 1;
		break;
	    }
	    if (IS_NULL_C(&arg[i]))
		SET_NULL_C(&res[i]);
	}
    }

    return 0;
}

示例#3

文件： xeq.c 项目： imincik/pkg-grass

int f_eq(int argc, const int *argt, void **args)
{
    CELL *res = args[0];
    int i;

    if (argc < 2)
	return E_ARG_LO;
    if (argc > 2)
	return E_ARG_HI;

    switch (argt[1]) {
    case CELL_TYPE:
	{
	    CELL *arg1 = args[1];
	    CELL *arg2 = args[2];

	    for (i = 0; i < columns; i++) {
		if (IS_NULL_C(&arg1[i]) || IS_NULL_C(&arg2[i]))
		    SET_NULL_C(&res[i]);
		else
		    res[i] = arg1[i] == arg2[i];
	    }
	    return 0;
	}
    case FCELL_TYPE:
	{
	    FCELL *arg1 = args[1];
	    FCELL *arg2 = args[2];

	    for (i = 0; i < columns; i++) {
		if (IS_NULL_F(&arg1[i]) || IS_NULL_F(&arg2[i]))
		    SET_NULL_C(&res[i]);
		else
		    res[i] = arg1[i] == arg2[i];
	    }
	    return 0;
	}
    case DCELL_TYPE:
	{
	    DCELL *arg1 = args[1];
	    DCELL *arg2 = args[2];

	    for (i = 0; i < columns; i++) {
		if (IS_NULL_D(&arg1[i]) || IS_NULL_D(&arg2[i]))
		    SET_NULL_C(&res[i]);
		else
		    res[i] = arg1[i] == arg2[i];
	    }
	    return 0;
	}
    default:
	return E_INV_TYPE;
    }
}

示例#4

文件： xbitor.c 项目： GRASS-GIS/grass-ci

int f_bitor(int argc, const int *argt, void **args)
{
    CELL *res = args[0];
    CELL **argz = (CELL **) args;
    int i, j;

    if (argc < 1)
	return E_ARG_LO;

    if (argt[0] != CELL_TYPE)
	return E_RES_TYPE;

    for (i = 1; i <= argc; i++)
	if (argt[i] != CELL_TYPE)
	    return E_ARG_TYPE;

    for (i = 0; i < columns; i++) {
	res[i] = 0;
	for (j = 1; j <= argc; j++) {
	    if (IS_NULL_C(&argz[j][i])) {
		SET_NULL_C(&res[i]);
		break;
	    }
	    res[i] |= argz[j][i];
	}
    }

    return 0;
}

示例#5

文件： xdouble.c 项目： imincik/pkg-grass

int f_double(int argc, const int *argt, void **args)
{
    DCELL *res = args[0];
    int i;

    if (argc < 1)
	return E_ARG_LO;
    if (argc > 1)
	return E_ARG_HI;

    if (argt[0] != DCELL_TYPE)
	return E_RES_TYPE;

    switch (argt[1]) {
    case CELL_TYPE:
	{
	    CELL *arg1 = args[1];

	    for (i = 0; i < columns; i++)
		if (IS_NULL_C(&arg1[i]))
		    SET_NULL_D(&res[i]);
		else
		    res[i] = (DCELL) arg1[i];
	    return 0;
	}
    case FCELL_TYPE:
	{
	    FCELL *arg1 = args[1];

	    for (i = 0; i < columns; i++)
		if (IS_NULL_F(&arg1[i]))
		    SET_NULL_D(&res[i]);
		else
		    res[i] = (DCELL) arg1[i];
	    return 0;
	}
    case DCELL_TYPE:
	{
	    DCELL *arg1 = args[1];

	    for (i = 0; i < columns; i++)
		if (IS_NULL_D(&arg1[i]))
		    SET_NULL_D(&res[i]);
		else
		    res[i] = (DCELL) arg1[i];
	    return 0;
	}
    default:
	return E_INV_TYPE;
    }
}

示例#6

文件： xisnull.c 项目： GRASS-GIS/grass-ci

int f_isnull(int argc, const int *argt, void **args)
{
    int *res = args[0];
    int i;

    if (argc < 1)
	return E_ARG_LO;
    if (argc > 1)
	return E_ARG_HI;

    if (argt[0] != CELL_TYPE)
	return E_RES_TYPE;

    switch (argt[1]) {
    case CELL_TYPE:
	{
	    CELL *arg1 = args[1];

	    for (i = 0; i < columns; i++)
		res[i] = IS_NULL_C(&arg1[i]) ? 1 : 0;
	    return 0;
	}
    case FCELL_TYPE:
	{
	    FCELL *arg1 = args[1];

	    for (i = 0; i < columns; i++)
		res[i] = IS_NULL_F(&arg1[i]) ? 1 : 0;
	    return 0;
	}
    case DCELL_TYPE:
	{
	    DCELL *arg1 = args[1];

	    for (i = 0; i < columns; i++)
		res[i] = IS_NULL_D(&arg1[i]) ? 1 : 0;
	    return 0;
	}
    default:
	return E_INV_TYPE;
    }
}

示例#7

文件： xmax.c 项目： AsherBond/MondocosmOS

int f_max(int argc, const int *argt, void **args)
{
    int i, j;

    if (argc < 1)
	return E_ARG_LO;

    for (i = 1; i <= argc; i++)
	if (argt[i] != argt[0])
	    return E_ARG_TYPE;

    switch (argt[0]) {
    case CELL_TYPE:
	{
	    CELL *res = args[0];
	    CELL **argz = (CELL **) args;

	    for (i = 0; i < columns; i++) {
		int nul = 0;
		CELL max;

		for (j = 1; j <= argc; j++)
		    if (IS_NULL_C(&argz[j][i]))
			nul = 1;
		    else if (j == 1)
			max = argz[j][i];
		    else if (max < argz[j][i])
			max = argz[j][i];
		if (nul)
		    SET_NULL_C(&res[i]);
		else
		    res[i] = max;
	    }
	    return 0;
	}
    case FCELL_TYPE:
	{
	    FCELL *res = args[0];
	    FCELL **argz = (FCELL **) args;

	    for (i = 0; i < columns; i++) {
		int nul = 0;
		FCELL max;

		for (j = 1; j <= argc; j++)
		    if (IS_NULL_F(&argz[j][i]))
			nul = 1;
		    else if (j == 1)
			max = argz[j][i];
		    else if (max < argz[j][i])
			max = argz[j][i];
		if (nul)
		    SET_NULL_F(&res[i]);
		else
		    res[i] = max;
	    }

	    return 0;
	}
    case DCELL_TYPE:
	{
	    DCELL *res = args[0];
	    DCELL **argz = (DCELL **) args;

	    for (i = 0; i < columns; i++) {
		int nul = 0;
		DCELL max;

		for (j = 1; j <= argc; j++)
		    if (IS_NULL_D(&argz[j][i]))
			nul = 1;
		    else if (j == 1)
			max = argz[j][i];
		    else if (max < argz[j][i])
			max = argz[j][i];
		if (nul)
		    SET_NULL_D(&res[i]);
		else
		    res[i] = max;
	    }

	    return 0;
	}
    default:
	return E_INV_TYPE;
    }
}

示例#8

文件： xmul.c 项目： GRASS-GIS/grass-ci

int f_mul(int argc, const int *argt, void **args)
{
    int i, j;

    if (argc < 1)
	return E_ARG_LO;

    for (i = 1; i <= argc; i++)
	if (argt[i] != argt[0])
	    return E_ARG_TYPE;

    switch (argt[0]) {
    case CELL_TYPE:
	{
	    CELL *res = args[0];
	    CELL **argz = (CELL **) args;

	    for (i = 0; i < columns; i++) {
		res[i] = 1;
		for (j = 1; j <= argc; j++) {
		    if (IS_NULL_C(&argz[j][i])) {
			SET_NULL_C(&res[i]);
			break;
		    }
		    res[i] *= argz[j][i];
		}
	    }
	    return 0;
	}
    case FCELL_TYPE:
	{
	    FCELL *res = args[0];
	    FCELL **argz = (FCELL **) args;

	    for (i = 0; i < columns; i++) {
		res[i] = 1;
		for (j = 1; j <= argc; j++) {
		    if (IS_NULL_F(&argz[j][i])) {
			SET_NULL_F(&res[i]);
			break;
		    }
		    res[i] *= argz[j][i];
		}
	    }
	    return 0;
	}
    case DCELL_TYPE:
	{
	    DCELL *res = args[0];
	    DCELL **argz = (DCELL **) args;

	    for (i = 0; i < columns; i++) {
		res[i] = 1;
		for (j = 1; j <= argc; j++) {
		    if (IS_NULL_D(&argz[j][i])) {
			SET_NULL_D(&res[i]);
			break;
		    }
		    res[i] *= argz[j][i];
		}
	    }
	    return 0;
	}
    default:
	return E_INV_TYPE;
    }
}

示例#9

文件： xmode.c 项目： felipebetancur/grass-ci

int f_mode(int argc, const int *argt, void **args)
{
    static double *value;
    static int value_size;
    int size = argc * sizeof(double);
    int i, j;

    if (argc < 1)
	return E_ARG_LO;

    for (i = 1; i <= argc; i++)
	if (argt[i] != argt[0])
	    return E_ARG_TYPE;

    if (size > value_size) {
	value_size = size;
	value = G_realloc(value, value_size);
    }

    switch (argt[argc]) {
    case CELL_TYPE:
	{
	    CELL *res = args[0];
	    CELL **argv = (CELL **) & args[1];

	    for (i = 0; i < columns; i++) {
		int nv = 0;

		for (j = 0; j < argc && !nv; j++) {
		    if (IS_NULL_C(&argv[j][i]))
			nv = 1;
		    else
			value[j] = (double)argv[j][i];
		}

		if (nv)
		    SET_NULL_C(&res[i]);
		else
		    res[i] = (CELL) mode(value, argc);
	    }
	    return 0;
	}
    case FCELL_TYPE:
	{
	    FCELL *res = args[0];
	    FCELL **argv = (FCELL **) & args[1];

	    for (i = 0; i < columns; i++) {
		int nv = 0;

		for (j = 0; j < argc && !nv; j++) {
		    if (IS_NULL_F(&argv[j][i]))
			nv = 1;
		    else
			value[j] = (double)argv[j][i];
		}

		if (nv)
		    SET_NULL_F(&res[i]);
		else
		    res[i] = (FCELL) mode(value, argc);
	    }
	    return 0;
	}
    case DCELL_TYPE:
	{
	    DCELL *res = args[0];
	    DCELL **argv = (DCELL **) & args[1];

	    for (i = 0; i < columns; i++) {
		int nv = 0;

		for (j = 0; j < argc && !nv; j++) {
		    if (IS_NULL_D(&argv[j][i]))
			nv = 1;
		    else
			value[j] = (double)argv[j][i];
		}

		if (nv)
		    SET_NULL_D(&res[i]);
		else
		    res[i] = (DCELL) mode(value, argc);
	    }
	    return 0;
	}
    default:
	return E_INV_TYPE;
    }
}

示例#10

文件： xdiv.c 项目： felipebetancur/grass-ci

int f_div(int argc, const int *argt, void **args)
{
    int i;

    if (argc < 2)
	return E_ARG_LO;
    if (argc > 2)
	return E_ARG_HI;

    if (argt[1] != argt[0] || argt[2] != argt[0])
	return E_ARG_TYPE;

    switch (argt[0]) {
    case CELL_TYPE:
	{
	    CELL *res = args[0];
	    CELL *arg1 = args[1];
	    CELL *arg2 = args[2];

	    for (i = 0; i < columns; i++) {
		if (IS_NULL_C(&arg1[i]) || IS_NULL_C(&arg2[i]) ||
		    arg2[i] == 0)
		    SET_NULL_C(&res[i]);
		else
		    res[i] = arg1[i] / arg2[i];
	    }
	    return 0;
	}
    case FCELL_TYPE:
	{
	    FCELL *res = args[0];
	    FCELL *arg1 = args[1];
	    FCELL *arg2 = args[2];

	    for (i = 0; i < columns; i++) {
		if (IS_NULL_F(&arg1[i]) || IS_NULL_F(&arg2[i]) ||
		    arg2[i] == 0.0f)
		    SET_NULL_F(&res[i]);
		else {
		    floating_point_exception = 0;
		    res[i] = arg1[i] / arg2[i];
		    if (floating_point_exception)
			SET_NULL_F(&res[i]);
		}
	    }
	    return 0;
	}
    case DCELL_TYPE:
	{
	    DCELL *res = args[0];
	    DCELL *arg1 = args[1];
	    DCELL *arg2 = args[2];

	    for (i = 0; i < columns; i++) {
		if (IS_NULL_D(&arg1[i]) || IS_NULL_D(&arg2[i]) ||
		    arg2[i] == 0.0)
		    SET_NULL_D(&res[i]);
		else {
		    floating_point_exception = 0;
		    res[i] = arg1[i] / arg2[i];
		    if (floating_point_exception)
			SET_NULL_D(&res[i]);
		}
	    }
	    return 0;
	}
    default:
	return E_INV_TYPE;
    }
}