diff options
Diffstat (limited to 'src/cmd/plot/libplot/spline.c')
| -rw-r--r-- | src/cmd/plot/libplot/spline.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/src/cmd/plot/libplot/spline.c b/src/cmd/plot/libplot/spline.c index 8cfa83d7..6001bd72 100644 --- a/src/cmd/plot/libplot/spline.c +++ b/src/cmd/plot/libplot/spline.c @@ -10,25 +10,25 @@ void splin(int mode, int num[], double *ff[]){ np = num; fp = ff; while((n = *np++)){ - xp = *fp++; - yp = xp + 1; - xp0 = xp; + xp = *fp++; + yp = xp + 1; + xp0 = xp; yp0 = yp; - xpe = xp0 + 2 * (n - 1); + xpe = xp0 + 2 * (n - 1); ype = yp0 + 2 * (n - 1); - if (n < 3) { - plotline(*xp, *yp, *(xp + 2), *(yp + 2)); + if (n < 3) { + plotline(*xp, *yp, *(xp + 2), *(yp + 2)); continue; } if (mode == 4) { /*closed curve*/ - xa = 0.5 * (*xpe + *(xpe - 2)); + xa = 0.5 * (*xpe + *(xpe - 2)); xc = 0.5 * (*xpe + *xp0); - ya = 0.5 * (*ype + *(ype - 2)); + ya = 0.5 * (*ype + *(ype - 2)); yc = 0.5 * (*ype + *yp0); parabola(xa, ya, xc, yc, *xpe, *ype); - xa = 0.5 * (*xpe + *xp0); + xa = 0.5 * (*xpe + *xp0); xc = 0.5 * (*(xp0 + 2) + *xp0); - ya = 0.5 * (*ype + *yp0); + ya = 0.5 * (*ype + *yp0); yc = 0.5 * (*(yp0 + 2) + *yp0); parabola(xa, ya, xc, yc, *xp0, *yp0); } @@ -36,12 +36,12 @@ void splin(int mode, int num[], double *ff[]){ if (mode % 2) /*odd mode makes first point double*/ plotline(*xp0,*yp0,0.5*(*xp0+*(xp0+2)),0.5*(*yp0+*(yp0+2))); } - xp += 2; + xp += 2; yp += 2; for (i = 1; i < (n - 1); i++, xp += 2, yp += 2) { - xa = 0.5 * (*(xp - 2) + *xp); + xa = 0.5 * (*(xp - 2) + *xp); xc = 0.5 * ( *xp + *(xp + 2)); - ya = 0.5 * (*(yp - 2) + *yp); + ya = 0.5 * (*(yp - 2) + *yp); yc = 0.5 * ( *yp + *(yp + 2)); parabola(xa, ya, xc, yc, *xp, *yp); } |