diff options
Diffstat (limited to 'tools')
-rw-r--r-- | tools/tools/ministat/Makefile | 15 | ||||
-rw-r--r-- | tools/tools/ministat/README | 50 | ||||
-rw-r--r-- | tools/tools/ministat/chameleon | 6 | ||||
-rw-r--r-- | tools/tools/ministat/iguana | 8 | ||||
-rw-r--r-- | tools/tools/ministat/ministat.c | 646 |
5 files changed, 0 insertions, 725 deletions
diff --git a/tools/tools/ministat/Makefile b/tools/tools/ministat/Makefile deleted file mode 100644 index d1a10a3..0000000 --- a/tools/tools/ministat/Makefile +++ /dev/null @@ -1,15 +0,0 @@ -# $FreeBSD$ -PROG= ministat -NO_MAN= -DPADD= ${LIBM} -LDADD= -lm - -.include <bsd.prog.mk> - -test: ${PROG} - ./${PROG} < ${.CURDIR}/chameleon - ./${PROG} ${.CURDIR}/chameleon - ./${PROG} ${.CURDIR}/chameleon ${.CURDIR}/iguana - ./${PROG} -c 80 ${.CURDIR}/chameleon ${.CURDIR}/iguana - ./${PROG} -s -c 80 ${.CURDIR}/chameleon ${.CURDIR}/iguana - ./${PROG} -s -c 80 ${.CURDIR}/chameleon ${.CURDIR}/iguana ${.CURDIR}/iguana diff --git a/tools/tools/ministat/README b/tools/tools/ministat/README deleted file mode 100644 index cc5fe27..0000000 --- a/tools/tools/ministat/README +++ /dev/null @@ -1,50 +0,0 @@ -$FreeBSD$ - -A small tool to do the statistics legwork on benchmarks etc. - -Prepare your data into two files, one number per line -run - ./ministat data_before data_after - -and see what it says. - -You need at least three data points in each data set, but the more -you have the better your result generally gets. - -Here are two typical outputs: - -x _1 -+ _2 -+--------------------------------------------------------------------------+ -|x + x+ x x x + ++ | -| |_________|______AM_______________|__A___________M_______________|| -+--------------------------------------------------------------------------+ - N Min Max Median Avg Stddev -x 5 36060 36138 36107 36105.6 31.165686 -+ 5 36084 36187 36163 36142.6 49.952978 -No difference proven at 95.0% confidence - -Here nothing can be concluded from the numbers. It _may_ be possible to -prove something if many more measurements are made, but with only five -measurements, nothing is proven. - - -x _1 -+ _2 -+--------------------------------------------------------------------------+ -| + | -| x + +| -|x x x x + +| -| |_______________A_____M_________| |_M___A____| | -+--------------------------------------------------------------------------+ - N Min Max Median Avg Stddev -x 5 0.133 0.137 0.136 0.1354 0.0015165751 -+ 5 0.139 0.14 0.139 0.1394 0.00054772256 -Difference at 95.0% confidence - 0.004 +/- 0.00166288 - 2.95421% +/- 1.22812% - (Student's t, pooled s = 0.00114018) - -Here we have a clearcut difference, not very big, but clear and unambiguous. - - diff --git a/tools/tools/ministat/chameleon b/tools/tools/ministat/chameleon deleted file mode 100644 index c554c99..0000000 --- a/tools/tools/ministat/chameleon +++ /dev/null @@ -1,6 +0,0 @@ -# $FreeBSD$ -150 -400 -720 -500 -930 diff --git a/tools/tools/ministat/iguana b/tools/tools/ministat/iguana deleted file mode 100644 index d6996c1..0000000 --- a/tools/tools/ministat/iguana +++ /dev/null @@ -1,8 +0,0 @@ -# $FreeBSD$ -50 -200 -150 -400 -750 -400 -150 diff --git a/tools/tools/ministat/ministat.c b/tools/tools/ministat/ministat.c deleted file mode 100644 index 660becf..0000000 --- a/tools/tools/ministat/ministat.c +++ /dev/null @@ -1,646 +0,0 @@ -/* - * ---------------------------------------------------------------------------- - * "THE BEER-WARE LICENSE" (Revision 42): - * <phk@FreeBSD.ORG> wrote this file. As long as you retain this notice you - * can do whatever you want with this stuff. If we meet some day, and you think - * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp - * ---------------------------------------------------------------------------- - * - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <stdio.h> -#include <math.h> -#include <err.h> -#include <string.h> -#include <stdlib.h> -#include <unistd.h> -#include <sys/ioctl.h> -#include <sys/queue.h> -#include <sys/ttycom.h> - -#define NSTUDENT 100 -#define NCONF 6 -double const studentpct[] = { 80, 90, 95, 98, 99, 99.5 }; -double student [NSTUDENT + 1][NCONF] = { -/* inf */ { 1.282, 1.645, 1.960, 2.326, 2.576, 3.090 }, -/* 1. */ { 3.078, 6.314, 12.706, 31.821, 63.657, 318.313 }, -/* 2. */ { 1.886, 2.920, 4.303, 6.965, 9.925, 22.327 }, -/* 3. */ { 1.638, 2.353, 3.182, 4.541, 5.841, 10.215 }, -/* 4. */ { 1.533, 2.132, 2.776, 3.747, 4.604, 7.173 }, -/* 5. */ { 1.476, 2.015, 2.571, 3.365, 4.032, 5.893 }, -/* 6. */ { 1.440, 1.943, 2.447, 3.143, 3.707, 5.208 }, -/* 7. */ { 1.415, 1.895, 2.365, 2.998, 3.499, 4.782 }, -/* 8. */ { 1.397, 1.860, 2.306, 2.896, 3.355, 4.499 }, -/* 9. */ { 1.383, 1.833, 2.262, 2.821, 3.250, 4.296 }, -/* 10. */ { 1.372, 1.812, 2.228, 2.764, 3.169, 4.143 }, -/* 11. */ { 1.363, 1.796, 2.201, 2.718, 3.106, 4.024 }, -/* 12. */ { 1.356, 1.782, 2.179, 2.681, 3.055, 3.929 }, -/* 13. */ { 1.350, 1.771, 2.160, 2.650, 3.012, 3.852 }, -/* 14. */ { 1.345, 1.761, 2.145, 2.624, 2.977, 3.787 }, -/* 15. */ { 1.341, 1.753, 2.131, 2.602, 2.947, 3.733 }, -/* 16. */ { 1.337, 1.746, 2.120, 2.583, 2.921, 3.686 }, -/* 17. */ { 1.333, 1.740, 2.110, 2.567, 2.898, 3.646 }, -/* 18. */ { 1.330, 1.734, 2.101, 2.552, 2.878, 3.610 }, -/* 19. */ { 1.328, 1.729, 2.093, 2.539, 2.861, 3.579 }, -/* 20. */ { 1.325, 1.725, 2.086, 2.528, 2.845, 3.552 }, -/* 21. */ { 1.323, 1.721, 2.080, 2.518, 2.831, 3.527 }, -/* 22. */ { 1.321, 1.717, 2.074, 2.508, 2.819, 3.505 }, -/* 23. */ { 1.319, 1.714, 2.069, 2.500, 2.807, 3.485 }, -/* 24. */ { 1.318, 1.711, 2.064, 2.492, 2.797, 3.467 }, -/* 25. */ { 1.316, 1.708, 2.060, 2.485, 2.787, 3.450 }, -/* 26. */ { 1.315, 1.706, 2.056, 2.479, 2.779, 3.435 }, -/* 27. */ { 1.314, 1.703, 2.052, 2.473, 2.771, 3.421 }, -/* 28. */ { 1.313, 1.701, 2.048, 2.467, 2.763, 3.408 }, -/* 29. */ { 1.311, 1.699, 2.045, 2.462, 2.756, 3.396 }, -/* 30. */ { 1.310, 1.697, 2.042, 2.457, 2.750, 3.385 }, -/* 31. */ { 1.309, 1.696, 2.040, 2.453, 2.744, 3.375 }, -/* 32. */ { 1.309, 1.694, 2.037, 2.449, 2.738, 3.365 }, -/* 33. */ { 1.308, 1.692, 2.035, 2.445, 2.733, 3.356 }, -/* 34. */ { 1.307, 1.691, 2.032, 2.441, 2.728, 3.348 }, -/* 35. */ { 1.306, 1.690, 2.030, 2.438, 2.724, 3.340 }, -/* 36. */ { 1.306, 1.688, 2.028, 2.434, 2.719, 3.333 }, -/* 37. */ { 1.305, 1.687, 2.026, 2.431, 2.715, 3.326 }, -/* 38. */ { 1.304, 1.686, 2.024, 2.429, 2.712, 3.319 }, -/* 39. */ { 1.304, 1.685, 2.023, 2.426, 2.708, 3.313 }, -/* 40. */ { 1.303, 1.684, 2.021, 2.423, 2.704, 3.307 }, -/* 41. */ { 1.303, 1.683, 2.020, 2.421, 2.701, 3.301 }, -/* 42. */ { 1.302, 1.682, 2.018, 2.418, 2.698, 3.296 }, -/* 43. */ { 1.302, 1.681, 2.017, 2.416, 2.695, 3.291 }, -/* 44. */ { 1.301, 1.680, 2.015, 2.414, 2.692, 3.286 }, -/* 45. */ { 1.301, 1.679, 2.014, 2.412, 2.690, 3.281 }, -/* 46. */ { 1.300, 1.679, 2.013, 2.410, 2.687, 3.277 }, -/* 47. */ { 1.300, 1.678, 2.012, 2.408, 2.685, 3.273 }, -/* 48. */ { 1.299, 1.677, 2.011, 2.407, 2.682, 3.269 }, -/* 49. */ { 1.299, 1.677, 2.010, 2.405, 2.680, 3.265 }, -/* 50. */ { 1.299, 1.676, 2.009, 2.403, 2.678, 3.261 }, -/* 51. */ { 1.298, 1.675, 2.008, 2.402, 2.676, 3.258 }, -/* 52. */ { 1.298, 1.675, 2.007, 2.400, 2.674, 3.255 }, -/* 53. */ { 1.298, 1.674, 2.006, 2.399, 2.672, 3.251 }, -/* 54. */ { 1.297, 1.674, 2.005, 2.397, 2.670, 3.248 }, -/* 55. */ { 1.297, 1.673, 2.004, 2.396, 2.668, 3.245 }, -/* 56. */ { 1.297, 1.673, 2.003, 2.395, 2.667, 3.242 }, -/* 57. */ { 1.297, 1.672, 2.002, 2.394, 2.665, 3.239 }, -/* 58. */ { 1.296, 1.672, 2.002, 2.392, 2.663, 3.237 }, -/* 59. */ { 1.296, 1.671, 2.001, 2.391, 2.662, 3.234 }, -/* 60. */ { 1.296, 1.671, 2.000, 2.390, 2.660, 3.232 }, -/* 61. */ { 1.296, 1.670, 2.000, 2.389, 2.659, 3.229 }, -/* 62. */ { 1.295, 1.670, 1.999, 2.388, 2.657, 3.227 }, -/* 63. */ { 1.295, 1.669, 1.998, 2.387, 2.656, 3.225 }, -/* 64. */ { 1.295, 1.669, 1.998, 2.386, 2.655, 3.223 }, -/* 65. */ { 1.295, 1.669, 1.997, 2.385, 2.654, 3.220 }, -/* 66. */ { 1.295, 1.668, 1.997, 2.384, 2.652, 3.218 }, -/* 67. */ { 1.294, 1.668, 1.996, 2.383, 2.651, 3.216 }, -/* 68. */ { 1.294, 1.668, 1.995, 2.382, 2.650, 3.214 }, -/* 69. */ { 1.294, 1.667, 1.995, 2.382, 2.649, 3.213 }, -/* 70. */ { 1.294, 1.667, 1.994, 2.381, 2.648, 3.211 }, -/* 71. */ { 1.294, 1.667, 1.994, 2.380, 2.647, 3.209 }, -/* 72. */ { 1.293, 1.666, 1.993, 2.379, 2.646, 3.207 }, -/* 73. */ { 1.293, 1.666, 1.993, 2.379, 2.645, 3.206 }, -/* 74. */ { 1.293, 1.666, 1.993, 2.378, 2.644, 3.204 }, -/* 75. */ { 1.293, 1.665, 1.992, 2.377, 2.643, 3.202 }, -/* 76. */ { 1.293, 1.665, 1.992, 2.376, 2.642, 3.201 }, -/* 77. */ { 1.293, 1.665, 1.991, 2.376, 2.641, 3.199 }, -/* 78. */ { 1.292, 1.665, 1.991, 2.375, 2.640, 3.198 }, -/* 79. */ { 1.292, 1.664, 1.990, 2.374, 2.640, 3.197 }, -/* 80. */ { 1.292, 1.664, 1.990, 2.374, 2.639, 3.195 }, -/* 81. */ { 1.292, 1.664, 1.990, 2.373, 2.638, 3.194 }, -/* 82. */ { 1.292, 1.664, 1.989, 2.373, 2.637, 3.193 }, -/* 83. */ { 1.292, 1.663, 1.989, 2.372, 2.636, 3.191 }, -/* 84. */ { 1.292, 1.663, 1.989, 2.372, 2.636, 3.190 }, -/* 85. */ { 1.292, 1.663, 1.988, 2.371, 2.635, 3.189 }, -/* 86. */ { 1.291, 1.663, 1.988, 2.370, 2.634, 3.188 }, -/* 87. */ { 1.291, 1.663, 1.988, 2.370, 2.634, 3.187 }, -/* 88. */ { 1.291, 1.662, 1.987, 2.369, 2.633, 3.185 }, -/* 89. */ { 1.291, 1.662, 1.987, 2.369, 2.632, 3.184 }, -/* 90. */ { 1.291, 1.662, 1.987, 2.368, 2.632, 3.183 }, -/* 91. */ { 1.291, 1.662, 1.986, 2.368, 2.631, 3.182 }, -/* 92. */ { 1.291, 1.662, 1.986, 2.368, 2.630, 3.181 }, -/* 93. */ { 1.291, 1.661, 1.986, 2.367, 2.630, 3.180 }, -/* 94. */ { 1.291, 1.661, 1.986, 2.367, 2.629, 3.179 }, -/* 95. */ { 1.291, 1.661, 1.985, 2.366, 2.629, 3.178 }, -/* 96. */ { 1.290, 1.661, 1.985, 2.366, 2.628, 3.177 }, -/* 97. */ { 1.290, 1.661, 1.985, 2.365, 2.627, 3.176 }, -/* 98. */ { 1.290, 1.661, 1.984, 2.365, 2.627, 3.175 }, -/* 99. */ { 1.290, 1.660, 1.984, 2.365, 2.626, 3.175 }, -/* 100. */ { 1.290, 1.660, 1.984, 2.364, 2.626, 3.174 } -}; - -#define MAX_DS 8 -static char symbol[MAX_DS] = { ' ', 'x', '+', '*', '%', '#', '@', 'O' }; - -TAILQ_HEAD(pointlist, point); - -struct dataset { - char *name; - struct pointlist list; - double sy, syy; - int n; -}; - -static struct dataset * -NewSet(void) -{ - struct dataset *ds; - - ds = calloc(1, sizeof *ds); - TAILQ_INIT(&ds->list); - return(ds); -} - -struct point { - TAILQ_ENTRY(point) list; - double val; -}; - -static void -AddPoint(struct dataset *ds, double a) -{ - struct point *pp, *pp2; - - pp = calloc(1, sizeof *pp); - pp->val = a; - - ds->n++; - ds->sy += a; - ds->syy += a * a; - if (TAILQ_EMPTY(&ds->list)) { - TAILQ_INSERT_HEAD(&ds->list, pp, list); - return; - } - TAILQ_FOREACH(pp2, &ds->list, list) { - if (pp->val < pp2->val) { - TAILQ_INSERT_BEFORE(pp2, pp, list); - return; - } - } - TAILQ_INSERT_TAIL(&ds->list, pp, list); -} - -static double -Min(struct dataset *ds) -{ - - return (TAILQ_FIRST(&ds->list)->val); -} - -static double -Max(struct dataset *ds) -{ - - return(TAILQ_LAST(&ds->list, pointlist)->val); -} - -static double -Avg(struct dataset *ds) -{ - - return(ds->sy / ds->n); -} - -static double -Median(struct dataset *ds) -{ - int even, i; - struct point *p1, *p2; - - if ((ds->n % 2) == 1) { - i = (ds->n / 2) + 1; - even = 0; - } else { - i = ds->n / 2; - even = 1; - } - TAILQ_FOREACH(p1, &ds->list, list) { - --i; - if (i == 0) - break; - } - if (even) { - p2 = TAILQ_NEXT(p1, list); - return ((p2->val + p1->val) / 2); - } - return (p1->val); -} - -static double -Var(struct dataset *ds) -{ - - return (ds->syy - ds->sy * ds->sy / ds->n) / (ds->n - 1.0); -} - -static double -Stddev(struct dataset *ds) -{ - - return sqrt(Var(ds)); -} - -static void -VitalsHead(void) -{ - - printf(" N Min Max Median Avg Stddev\n"); -} - -static void -Vitals(struct dataset *ds, int flag) -{ - double a; - - printf("%c %3d %13.8g %13.8g %13.8g %13.8g %13.8g", symbol[flag], - ds->n, Min(ds), Max(ds), Median(ds), Avg(ds), Stddev(ds)); - printf("\n"); -} - -static void -Relative(struct dataset *ds, struct dataset *rs, int confidx) -{ - double spool, s, d, e, t; - int i, c; - - i = ds->n + rs->n - 2; - if (i > NSTUDENT) - t = student[0][confidx]; - else - t = student[i][confidx]; - spool = (ds->n - 1) * Var(ds) + (rs->n - 1) * Var(rs); - spool /= ds->n + rs->n - 2; - spool = sqrt(spool); - s = spool * sqrt(1.0 / ds->n + 1.0 / rs->n); - d = Avg(ds) - Avg(rs); - e = t * s; - - if (fabs(d) > e) { - - printf("Difference at %.1f%% confidence\n", studentpct[confidx]); - printf(" %g +/- %g\n", d, e); - printf(" %g%% +/- %g%%\n", d * 100 / Avg(rs), e * 100 / Avg(rs)); - printf(" (Student's t, pooled s = %g)\n", spool); - } else { - printf("No difference proven at %.1f%% confidence\n", - studentpct[confidx]); - } -} - -struct plot { - double min; - double max; - double span; - int width; - - double x0, dx; - int height; - char *data; - char **bar; - int separate_bars; - int num_datasets; -}; - -static struct plot plot; - -static void -SetupPlot(int width, int separate, int num_datasets) -{ - struct plot *pl; - - pl = &plot; - pl->width = width; - pl->height = 0; - pl->data = NULL; - pl->bar = NULL; - pl->separate_bars = separate; - pl->num_datasets = num_datasets; - pl->min = 999e99; - pl->max = -999e99; -} - -static void -AdjPlot(double a) -{ - struct plot *pl; - - pl = &plot; - if (a < pl->min) - pl->min = a; - if (a > pl->max) - pl->max = a; - pl->span = pl->max - pl->min; - pl->dx = pl->span / (pl->width - 1.0); - pl->x0 = pl->min - .5 * pl->dx; -} - -static void -DimPlot(struct dataset *ds) -{ - AdjPlot(Min(ds)); - AdjPlot(Max(ds)); - AdjPlot(Avg(ds) - Stddev(ds)); - AdjPlot(Avg(ds) + Stddev(ds)); -} - -static void -PlotSet(struct dataset *ds, int val) -{ - struct plot *pl; - struct point *pp; - int i, j, m, x; - int bar; - - pl = &plot; - if (pl->span == 0) - return; - - if (pl->separate_bars) - bar = val-1; - else - bar = 0; - - if (pl->bar == NULL) { - pl->bar = malloc(sizeof(char *) * pl->num_datasets); - memset(pl->bar, 0, sizeof(char*) * pl->num_datasets); - } - if (pl->bar[bar] == NULL) { - pl->bar[bar] = malloc(pl->width); - memset(pl->bar[bar], 0, pl->width); - } - - m = 1; - i = -1; - j = 0; - TAILQ_FOREACH(pp, &ds->list, list) { - x = (pp->val - pl->x0) / pl->dx; - if (x == i) { - j++; - if (j > m) - m = j; - } else { - j = 1; - i = x; - } - } - m += 1; - if (m > pl->height) { - pl->data = realloc(pl->data, pl->width * m); - memset(pl->data + pl->height * pl->width, 0, - (m - pl->height) * pl->width); - } - pl->height = m; - i = -1; - TAILQ_FOREACH(pp, &ds->list, list) { - x = (pp->val - pl->x0) / pl->dx; - if (x == i) { - j++; - } else { - j = 1; - i = x; - } - pl->data[j * pl->width + x] |= val; - } - if (!isnan(Stddev(ds))) { - x = ((Avg(ds) - Stddev(ds)) - pl->x0) / pl->dx; - m = ((Avg(ds) + Stddev(ds)) - pl->x0) / pl->dx; - pl->bar[bar][m] = '|'; - pl->bar[bar][x] = '|'; - for (i = x + 1; i < m; i++) - if (pl->bar[bar][i] == 0) - pl->bar[bar][i] = '_'; - } - x = (Median(ds) - pl->x0) / pl->dx; - pl->bar[bar][x] = 'M'; - x = (Avg(ds) - pl->x0) / pl->dx; - pl->bar[bar][x] = 'A'; -} - -static void -DumpPlot(void) -{ - struct plot *pl; - int i, j, k; - - pl = &plot; - if (pl->span == 0) { - printf("[no plot, span is zero width]\n"); - return; - } - - putchar('+'); - for (i = 0; i < pl->width; i++) - putchar('-'); - putchar('+'); - putchar('\n'); - for (i = 1; i < pl->height; i++) { - putchar('|'); - for (j = 0; j < pl->width; j++) { - k = pl->data[(pl->height - i) * pl->width + j]; - if (k >= 0 && k < MAX_DS) - putchar(symbol[k]); - else - printf("[%02x]", k); - } - putchar('|'); - putchar('\n'); - } - for (i = 0; i < pl->num_datasets; i++) { - if (pl->bar[i] == NULL) - continue; - putchar('|'); - for (j = 0; j < pl->width; j++) { - k = pl->bar[i][j]; - if (k == 0) - k = ' '; - putchar(k); - } - putchar('|'); - putchar('\n'); - } - putchar('+'); - for (i = 0; i < pl->width; i++) - putchar('-'); - putchar('+'); - putchar('\n'); -} - - -static struct dataset * -ReadSet(char *n, int column, char *delim) -{ - FILE *f; - char buf[BUFSIZ], *p, *t; - struct dataset *s; - double d; - int line; - int i; - - if (n == NULL) { - f = stdin; - n = "<stdin>"; - } else if (!strcmp(n, "-")) { - f = stdin; - n = "<stdin>"; - } else { - f = fopen(n, "r"); - } - if (f == NULL) - err(1, "Cannot open %s", n); - s = NewSet(); - s->name = strdup(n); - line = 0; - while (fgets(buf, sizeof buf, f) != NULL) { - line++; - - i = strlen(buf); - if (buf[i-1] == '\n') - buf[i-1] = '\0'; - for (i = 1, t = strtok(buf, delim); - t != NULL && *t != '#'; - i++, t = strtok(NULL, delim)) { - if (i == column) - break; - } - if (t == NULL || *t == '#') - continue; - - d = strtod(t, &p); - if (p != NULL && *p != '\0') - err(2, "Invalid data on line %d in %s\n", line, n); - if (*buf != '\0') - AddPoint(s, d); - } - fclose(f); - if (s->n < 3) { - fprintf(stderr, - "Dataset %s must contain at least 3 data points\n", n); - exit (2); - } - return (s); -} - -static void -usage(char const *whine) -{ - int i; - - fprintf(stderr, "%s\n", whine); - fprintf(stderr, - "Usage: ministat [-C column] [-c confidence] [-d delimiter(s)] [-ns] [-w width] [file [file ...]]\n"); - fprintf(stderr, "\tconfidence = {"); - for (i = 0; i < NCONF; i++) { - fprintf(stderr, "%s%g%%", - i ? ", " : "", - studentpct[i]); - } - fprintf(stderr, "}\n"); - fprintf(stderr, "\t-C : column number to extract (starts and defaults to 1)\n"); - fprintf(stderr, "\t-d : delimiter(s) string, default to \" \\t\"\n"); - fprintf(stderr, "\t-n : print summary statistics only, no graph/test\n"); - fprintf(stderr, "\t-s : print avg/median/stddev bars on separate lines\n"); - fprintf(stderr, "\t-w : width of graph/test output (default 74 or terminal width)\n"); - exit (2); -} - -int -main(int argc, char **argv) -{ - struct dataset *ds[7]; - int nds; - double a; - char *delim = " \t"; - char *p; - int c, i, ci; - int column = 1; - int flag_s = 0; - int flag_n = 0; - int termwidth = 74; - - if (isatty(STDOUT_FILENO)) { - struct winsize wsz; - - if ((p = getenv("COLUMNS")) != NULL && *p != '\0') - termwidth = atoi(p); - else if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &wsz) != -1 && - wsz.ws_col > 0) - termwidth = wsz.ws_col - 2; - } - - ci = -1; - while ((c = getopt(argc, argv, "C:c:d:snw:")) != -1) - switch (c) { - case 'C': - column = strtol(optarg, &p, 10); - if (p != NULL && *p != '\0') - usage("Invalid column number."); - if (column <= 0) - usage("Column number should be positive."); - break; - case 'c': - a = strtod(optarg, &p); - if (p != NULL && *p != '\0') - usage("Not a floating point number"); - for (i = 0; i < NCONF; i++) - if (a == studentpct[i]) - ci = i; - if (ci == -1) - usage("No support for confidence level"); - break; - case 'd': - if (*optarg == '\0') - usage("Can't use empty delimiter string"); - delim = optarg; - break; - case 'n': - flag_n = 1; - break; - case 's': - flag_s = 1; - break; - case 'w': - termwidth = strtol(optarg, &p, 10); - if (p != NULL && *p != '\0') - usage("Invalid width, not a number."); - if (termwidth < 0) - usage("Unable to move beyond left margin."); - break; - default: - usage("Unknown option"); - break; - } - if (ci == -1) - ci = 2; - argc -= optind; - argv += optind; - - if (argc == 0) { - ds[0] = ReadSet("-", column, delim); - nds = 1; - } else { - if (argc > (MAX_DS - 1)) - usage("Too many datasets."); - nds = argc; - for (i = 0; i < nds; i++) - ds[i] = ReadSet(argv[i], column, delim); - } - - for (i = 0; i < nds; i++) - printf("%c %s\n", symbol[i+1], ds[i]->name); - - if (!flag_n) { - SetupPlot(termwidth, flag_s, nds); - for (i = 0; i < nds; i++) - DimPlot(ds[i]); - for (i = 0; i < nds; i++) - PlotSet(ds[i], i + 1); - DumpPlot(); - } - VitalsHead(); - Vitals(ds[0], 1); - for (i = 1; i < nds; i++) { - Vitals(ds[i], i + 1); - if (!flag_n) - Relative(ds[i], ds[0], ci); - } - exit(0); -} |