OpenXM_contrib/gnuplot/interpol.c - diff

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version 1.1.1.2, 2000/01/22 14:15:59

version 1.1.1.3, 2003/09/15 07:09:25

Line 188 static int solve_five_diag __PROTO((five_diag m[], dou

static spline_coeff *cp_approx_spline __PROTO((struct curve_points * plot, int first_point, int num_points));

static spline_coeff *cp_tridiag __PROTO((struct curve_points * plot, int first_point, int num_points));

static void do_cubic __PROTO((struct curve_points * plot, spline_coeff * sc, int first_point, int num_points, struct coordinate * dest));

static int compare_points __PROTO((struct coordinate * p1, struct coordinate * p2));

int compare_points __PROTO((SORTFUNC_ARGS p1, SORTFUNC_ARGS p2));

Line 923 struct curve_points *plot;

* (MGR 1992)

static int compare_points(p1, p2)

int compare_points(argp1, argp2)

struct coordinate *p1;

SORTFUNC_ARGS argp1;

struct coordinate *p2;

SORTFUNC_ARGS argp2;

{

const struct coordinate *p1 = argp1;

const struct coordinate *p2 = argp2;

if (p1->x > p2->x)

return (1);

if (p1->x < p2->x)

Line 935 struct coordinate *p2;

Line 938 struct coordinate *p2;

}

void sort_points(plot)

struct curve_points *plot;

{

int first_point, num_points;

Line 943 struct curve_points *plot;

Line 946 struct curve_points *plot;

while ((num_points = next_curve(plot, &first_point)) > 0) {

/* Sort this set of points, does qsort handle 1 point correctly? */

qsort((char *) (plot->points + first_point), num_points,

sizeof(struct coordinate), (sortfunc) compare_points);

sizeof(struct coordinate), compare_points);

first_point += num_points;

}

return;