| 1 |
greg |
2.1 |
#ifndef lint |
| 2 |
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static const char RCSid[] = "$Id$"; |
| 3 |
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#endif |
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/* |
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* Compare Radiance files for significant differences |
| 6 |
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* |
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* G. Ward |
| 8 |
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*/ |
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#include <stdlib.h> |
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#include <math.h> |
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#include <ctype.h> |
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#include "platform.h" |
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#include "rtio.h" |
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#include "resolu.h" |
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#include "color.h" |
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#include "lookup.h" |
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/* Reporting levels */ |
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#define REP_QUIET 0 /* no reporting */ |
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#define REP_ERROR 1 /* report errors only */ |
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#define REP_WARN 2 /* report warnings as well */ |
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#define REP_VERBOSE 3 /* verbose reporting */ |
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int report = REP_WARN; /* reporting level */ |
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| 26 |
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int ign_header = 0; /* ignore header differences? */ |
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double rel_min = 1e-5; /* positive for relative comparisons */ |
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| 30 |
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double rms_lim = 0.01; /* RMS difference limit */ |
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| 32 |
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double max_lim = 0.25; /* difference limit if non-negative */ |
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| 34 |
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int lin1cnt=0, lin2cnt=0; /* file line position */ |
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/* file types */ |
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const char *file_type[] = { |
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"Unrecognized", |
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"TEXT_generic", |
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"ascii", |
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COLRFMT, |
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CIEFMT, |
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"BINARY_float", |
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"BINARY_double", |
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"BSDF_RBFmesh", |
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"Radiance_octree", |
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"Radiance_tmesh", |
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"BINARY_unknown", |
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NULL /* terminator */ |
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}; |
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enum {TYP_UNKNOWN, TYP_TEXT, TYP_ASCII, TYP_RGBE, TYP_XYZE, TYP_FLOAT, |
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TYP_DOUBLE, TYP_RBFMESH, TYP_OCTREE, TYP_TMESH, TYP_BINARY}; |
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#define has_header(t) (!( 1L<<(t) & (1L<<TYP_TEXT | 1L<<TYP_BINARY) )) |
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/* header variables to always ignore */ |
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const char *hdr_ignkey[] = { |
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"SOFTWARE", |
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"CAPDATE", |
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"GMT", |
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NULL /* terminator */ |
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}; |
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/* header variable settings */ |
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LUTAB hdr1 = LU_SINIT(free,free); |
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LUTAB hdr2 = LU_SINIT(free,free); |
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/* advance appropriate file line count */ |
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#define adv_linecnt(htp) (lin1cnt += (htp == &hdr1), \ |
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lin2cnt += (htp == &hdr2)) |
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/* input files */ |
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char *progname = NULL; |
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const char stdin_name[] = "<stdin>"; |
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const char *f1name=NULL, *f2name=NULL; |
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FILE *f1in=NULL, *f2in=NULL; |
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/* running real differences */ |
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double diff2sum = 0; |
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int nsum = 0; |
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/* Report usage and exit */ |
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static void |
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usage() |
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{ |
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fputs("Usage: ", stderr); |
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fputs(progname, stderr); |
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fputs(" [-h][-s|-w|-v][-rel min_test][-rms epsilon][-max epsilon] file1 file2\n", |
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stderr); |
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exit(1); |
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} |
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| 92 |
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/* Get type ID from name (or 0 if not found) */ |
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static int |
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xlate_type(const char *nm) |
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{ |
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int i; |
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if (!nm || !*nm) |
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return(TYP_UNKNOWN); |
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for (i = 1; file_type[i]; i++) |
| 101 |
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if (!strcmp(nm, file_type[i])) |
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return(i); |
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return(TYP_UNKNOWN); |
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} |
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| 106 |
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/* Compare real values and keep track of differences */ |
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static int |
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real_check(double r1, double r2) |
| 109 |
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{ |
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double diff2 = (r1 - r2)*(r1 - r2); |
| 111 |
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| 112 |
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if (rel_min > 0) { /* doing relative differences? */ |
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double av2 = .25*(r1*r1 + 2.*fabs(r1*r2) + r2*r2); |
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if (av2 > rel_min*rel_min) |
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diff2 /= av2; |
| 116 |
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} |
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if (max_lim >= 0 && diff2 > max_lim*max_lim) { |
| 118 |
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if (report != REP_QUIET) |
| 119 |
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fprintf(stderr, |
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"%s: %sdifference between %.8g and %.8g exceeds epsilon\n", |
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progname, |
| 122 |
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(rel_min > 0) ? "relative " : "", |
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r1, r2); |
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return(0); |
| 125 |
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} |
| 126 |
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diff2sum += diff2; |
| 127 |
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nsum++; |
| 128 |
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return(1); |
| 129 |
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} |
| 130 |
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| 131 |
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/* Compare two strings for equivalence */ |
| 132 |
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static int |
| 133 |
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equiv_string(char *s1, char *s2) |
| 134 |
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{ |
| 135 |
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#define CLS_STR 0 |
| 136 |
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#define CLS_INT 1 |
| 137 |
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#define CLS_FLT 2 |
| 138 |
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/* skip whitespace at beginning */ |
| 139 |
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while (isspace(*s1)) s1++; |
| 140 |
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while (isspace(*s2)) s2++; |
| 141 |
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if (!strcmp(s1, s2)) /* quick check */ |
| 142 |
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return(1); |
| 143 |
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while (*s1) { /* check each word */ |
| 144 |
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int inquote = *s1; |
| 145 |
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if ((inquote != '\'') & (inquote != '"')) |
| 146 |
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inquote = 0; |
| 147 |
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if (inquote) { /* quoted text must match exactly */ |
| 148 |
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if (*s1++ != *s2++) |
| 149 |
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return(0); |
| 150 |
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while (*s1 != inquote) { |
| 151 |
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if (!*s1) |
| 152 |
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return(0); |
| 153 |
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if (*s1++ != *s2++) |
| 154 |
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return(0); |
| 155 |
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} |
| 156 |
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s1++; |
| 157 |
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if (*s2++ != inquote) |
| 158 |
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return(0); |
| 159 |
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} else { /* else classify word type */ |
| 160 |
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char *s1s = s1; |
| 161 |
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char *s2s = s2; |
| 162 |
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int cls = CLS_STR; |
| 163 |
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s1 = sskip(s1); |
| 164 |
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s2 = sskip(s2); |
| 165 |
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if (iskip(s1s) == s1) { |
| 166 |
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if (iskip(s2s) == s2) |
| 167 |
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cls = CLS_INT; |
| 168 |
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else if (fskip(s2s) == s2) |
| 169 |
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cls = CLS_FLT; |
| 170 |
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} else if (fskip(s1s) == s1) { |
| 171 |
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if (fskip(s2s) != s2) |
| 172 |
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return(0); |
| 173 |
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cls = CLS_FLT; |
| 174 |
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} |
| 175 |
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switch (cls) { |
| 176 |
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case CLS_INT: /* strncmp() faster */ |
| 177 |
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case CLS_STR: |
| 178 |
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if (s1 - s1s != s2 - s2s) |
| 179 |
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return(0); |
| 180 |
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if (strncmp(s1s, s2s, s1 - s1s)) |
| 181 |
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return(0); |
| 182 |
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break; |
| 183 |
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case CLS_FLT: |
| 184 |
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if (!real_check(atof(s1s), atof(s2s))) |
| 185 |
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return(0); |
| 186 |
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break; |
| 187 |
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} |
| 188 |
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} |
| 189 |
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while (isspace(*s1)) s1++; |
| 190 |
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while (isspace(*s2)) s2++; |
| 191 |
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} |
| 192 |
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return(!*s2); /* match if we reached the end of s2, too */ |
| 193 |
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#undef CLS_STR |
| 194 |
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#undef CLS_INT |
| 195 |
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#undef CLS_FLT |
| 196 |
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} |
| 197 |
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| 198 |
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/* Check if string is var=value pair and set if not in ignore list */ |
| 199 |
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static int |
| 200 |
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setheadvar(char *val, void *p) |
| 201 |
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{ |
| 202 |
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LUTAB *htp = (LUTAB *)p; |
| 203 |
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LUENT *tep; |
| 204 |
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char *key; |
| 205 |
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int kln, vln; |
| 206 |
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int n; |
| 207 |
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| 208 |
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if (!isalpha(*val)) /* key must start line */ |
| 209 |
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return(0); |
| 210 |
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key = val++; |
| 211 |
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while (*val && !isspace(*val) & (*val != '=')) |
| 212 |
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val++; |
| 213 |
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kln = val - key; |
| 214 |
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while (isspace(*val)) /* check for value */ |
| 215 |
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*val++ = '\0'; |
| 216 |
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if (*val != '=') |
| 217 |
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return(0); |
| 218 |
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*val++ = '\0'; |
| 219 |
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while (isspace(*val)) |
| 220 |
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val++; |
| 221 |
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if (!*val) /* nothing set? */ |
| 222 |
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return(0); |
| 223 |
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vln = strlen(val); /* eliminate space and newline at end */ |
| 224 |
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while (--vln > 0 && isspace(val[vln])) |
| 225 |
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; |
| 226 |
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val[++vln] = '\0'; |
| 227 |
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/* check if key to ignore */ |
| 228 |
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for (n = 0; hdr_ignkey[n]; n++) |
| 229 |
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if (!strcmp(key, hdr_ignkey[n])) |
| 230 |
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return(0); |
| 231 |
|
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if (!(tep = lu_find(htp, key))) |
| 232 |
|
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return(-1); |
| 233 |
|
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if (!tep->key) |
| 234 |
|
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tep->key = strcpy(malloc(kln+1), key); |
| 235 |
|
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if (tep->data) |
| 236 |
|
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free(tep->data); |
| 237 |
|
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tep->data = strcpy(malloc(vln+1), val); |
| 238 |
|
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adv_linecnt(htp); |
| 239 |
|
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return(1); |
| 240 |
|
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} |
| 241 |
|
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|
| 242 |
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/* Lookup correspondent in other header */ |
| 243 |
|
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static int |
| 244 |
|
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match_val(const LUENT *ep1, void *p2) |
| 245 |
|
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{ |
| 246 |
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const LUENT *ep2 = lu_find((LUTAB *)p2, ep1->key); |
| 247 |
|
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if (!ep2 || !ep2->data) { |
| 248 |
|
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if (report != REP_QUIET) |
| 249 |
|
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fprintf(stderr, "%s: Variable '%s' missing in '%s'\n", |
| 250 |
|
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progname, ep1->key, f2name); |
| 251 |
|
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return(-1); |
| 252 |
|
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} |
| 253 |
|
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if (!equiv_string((char *)ep1->data, (char *)ep2->data)) { |
| 254 |
|
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if (report != REP_QUIET) |
| 255 |
|
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fprintf(stderr, "%s: Header variables '%s' have different values\n", |
| 256 |
|
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progname, ep1->key); |
| 257 |
|
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return(-1); |
| 258 |
|
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} |
| 259 |
|
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return(1); /* good match */ |
| 260 |
|
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} |
| 261 |
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|
| 262 |
|
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/* Compare two sets of header variables */ |
| 263 |
|
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static int |
| 264 |
|
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headers_match(LUTAB *hp1, LUTAB *hp2) |
| 265 |
|
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{ |
| 266 |
|
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int ne = lu_doall(hp1, match_val, hp2); |
| 267 |
|
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if (ne < 0) |
| 268 |
|
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return(0); /* something didn't match! */ |
| 269 |
|
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ne = lu_doall(hp2, NULL, NULL) - ne; |
| 270 |
|
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if (ne) { |
| 271 |
|
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if (report != REP_QUIET) |
| 272 |
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fprintf(stderr, "%s: '%s' has %d extra header variable(s)\n", |
| 273 |
|
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progname, f2name, ne); |
| 274 |
|
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return(0); |
| 275 |
|
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} |
| 276 |
|
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return(1); /* good match */ |
| 277 |
|
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} |
| 278 |
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|
| 279 |
|
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/* Check generic input to determine if it is binary, -1 on error */ |
| 280 |
|
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static int |
| 281 |
|
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input_is_binary(FILE *fin) |
| 282 |
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{ |
| 283 |
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int n = 0; |
| 284 |
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int c = 0; |
| 285 |
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| 286 |
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while ((c = getc(fin)) != EOF) { |
| 287 |
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if (!c | (c > 127)) |
| 288 |
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break; /* non-ascii character */ |
| 289 |
|
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if (++n >= 10240) |
| 290 |
|
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break; /* enough to be confident */ |
| 291 |
|
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} |
| 292 |
|
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if (!n) |
| 293 |
|
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return(-1); /* first read failed */ |
| 294 |
|
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if (fseek(fin, 0L, 0) < 0) |
| 295 |
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return(-1); /* rewind failed */ |
| 296 |
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return(!c | (c > 127)); |
| 297 |
|
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} |
| 298 |
|
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|
| 299 |
|
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/* Identify and return data type from header (if one) */ |
| 300 |
|
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static int |
| 301 |
|
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identify_type(const char *name, FILE *fin, LUTAB *htp) |
| 302 |
|
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{ |
| 303 |
|
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extern const char HDRSTR[]; |
| 304 |
|
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int c; |
| 305 |
|
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/* check magic header start */ |
| 306 |
|
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if ((c = getc(fin)) != HDRSTR[0]) { |
| 307 |
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if (c == EOF) goto badeof; |
| 308 |
|
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ungetc(c, fin); |
| 309 |
|
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c = 0; |
| 310 |
|
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} else if ((c = getc(fin)) != HDRSTR[1]) { |
| 311 |
|
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if (c == EOF) goto badeof; |
| 312 |
|
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ungetc(c, fin); ungetc(HDRSTR[0], fin); |
| 313 |
|
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c = 0; |
| 314 |
|
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} |
| 315 |
|
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if (c) { /* appears to have a header */ |
| 316 |
|
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char sbuf[32]; |
| 317 |
|
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if (!fgets(sbuf, sizeof(sbuf), fin)) |
| 318 |
|
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goto badeof; |
| 319 |
|
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if (report >= REP_WARN && strncmp(sbuf, "RADIANCE", 8)) { |
| 320 |
|
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fputs(name, stderr); |
| 321 |
|
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fputs(": warning - unexpected header ID: ", stderr); |
| 322 |
|
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fputs(sbuf, stderr); |
| 323 |
|
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} |
| 324 |
|
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adv_linecnt(htp); /* for #?ID string */ |
| 325 |
|
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if (getheader(fin, setheadvar, htp) < 0) { |
| 326 |
|
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fputs(name, stderr); |
| 327 |
|
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fputs(": Unknown error reading header\n", stderr); |
| 328 |
|
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return(-1); |
| 329 |
|
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} |
| 330 |
|
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adv_linecnt(htp); /* for trailing emtpy line */ |
| 331 |
|
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return(xlate_type((const char *)lu_find(htp,"FORMAT")->data)); |
| 332 |
|
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} |
| 333 |
|
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c = input_is_binary(fin); /* else peek to see if binary */ |
| 334 |
|
|
if (c < 0) { |
| 335 |
|
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fputs(name, stderr); |
| 336 |
|
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fputs(": read/seek error\n", stderr); |
| 337 |
|
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return(-1); |
| 338 |
|
|
} |
| 339 |
|
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if (c) |
| 340 |
|
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return(TYP_BINARY); |
| 341 |
|
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SET_FILE_TEXT(fin); /* originally set to binary */ |
| 342 |
|
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return(TYP_TEXT); |
| 343 |
|
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badeof: |
| 344 |
|
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if (report != REP_QUIET) { |
| 345 |
|
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fputs(name, stderr); |
| 346 |
|
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fputs(": Unexpected end-of-file\n", stderr); |
| 347 |
|
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} |
| 348 |
|
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return(-1); |
| 349 |
|
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} |
| 350 |
|
|
|
| 351 |
|
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/* Check that overall RMS error is below threshold */ |
| 352 |
|
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static int |
| 353 |
|
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good_RMS() |
| 354 |
|
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{ |
| 355 |
|
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if (!nsum) |
| 356 |
|
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return(1); |
| 357 |
|
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if (diff2sum/(double)nsum > rms_lim*rms_lim) { |
| 358 |
|
|
if (report != REP_QUIET) |
| 359 |
|
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fprintf(stderr, |
| 360 |
|
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"%s: %sRMS difference between '%s' and '%s' of %.5g exceeds limit\n", |
| 361 |
|
|
progname, |
| 362 |
|
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(rel_min > 0) ? "relative " : "", |
| 363 |
|
|
f1name, f2name, |
| 364 |
|
|
sqrt(diff2sum/(double)nsum)); |
| 365 |
|
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return(0); |
| 366 |
|
|
} |
| 367 |
|
|
if (report >= REP_VERBOSE) |
| 368 |
|
|
fprintf(stderr, |
| 369 |
|
|
"%s: %sRMS difference of reals in '%s' and '%s' is %.5g\n", |
| 370 |
|
|
progname, (rel_min > 0) ? "relative " : "", |
| 371 |
|
|
f1name, f2name, sqrt(diff2sum/(double)nsum)); |
| 372 |
|
|
return(1); |
| 373 |
|
|
} |
| 374 |
|
|
|
| 375 |
|
|
/* Compare two inputs as generic binary files */ |
| 376 |
|
|
static int |
| 377 |
|
|
compare_binary() |
| 378 |
|
|
{ |
| 379 |
|
|
if (report >= REP_VERBOSE) { |
| 380 |
|
|
fputs(progname, stderr); |
| 381 |
|
|
fputs(": comparing inputs as binary\n", stderr); |
| 382 |
|
|
} |
| 383 |
|
|
for ( ; ; ) { /* exact byte matching */ |
| 384 |
|
|
int c1 = getc(f1in); |
| 385 |
|
|
int c2 = getc(f2in); |
| 386 |
|
|
if (c1 == EOF) { |
| 387 |
|
|
if (c2 == EOF) |
| 388 |
|
|
return(1); /* success! */ |
| 389 |
|
|
if (report != REP_QUIET) { |
| 390 |
|
|
fputs(f1name, stderr); |
| 391 |
|
|
fputs(": Unexpected end-of-file\n", stderr); |
| 392 |
|
|
} |
| 393 |
|
|
return(0); |
| 394 |
|
|
} |
| 395 |
|
|
if (c2 == EOF) { |
| 396 |
|
|
if (report != REP_QUIET) { |
| 397 |
|
|
fputs(f2name, stderr); |
| 398 |
|
|
fputs(": Unexpected end-of-file\n", stderr); |
| 399 |
|
|
} |
| 400 |
|
|
return(0); |
| 401 |
|
|
} |
| 402 |
|
|
if (c1 != c2) |
| 403 |
|
|
break; /* quit and report difference */ |
| 404 |
|
|
} |
| 405 |
|
|
if (report == REP_QUIET) |
| 406 |
|
|
return(0); |
| 407 |
|
|
fprintf(stderr, "%s: binary files '%s' and '%s' differ at offset %ld|%ld\n", |
| 408 |
|
|
progname, f1name, f2name, ftell(f1in), ftell(f2in)); |
| 409 |
|
|
return(0); |
| 410 |
|
|
} |
| 411 |
|
|
|
| 412 |
|
|
/* Compare two inputs as generic text files */ |
| 413 |
|
|
static int |
| 414 |
|
|
compare_text() |
| 415 |
|
|
{ |
| 416 |
|
|
char l1buf[4096], l2buf[4096]; |
| 417 |
|
|
|
| 418 |
|
|
if (report >= REP_VERBOSE) { |
| 419 |
|
|
fputs(progname, stderr); |
| 420 |
|
|
fputs(": comparing inputs as ASCII text\n", stderr); |
| 421 |
|
|
} |
| 422 |
|
|
/* compare a line at a time */ |
| 423 |
|
|
while (fgets(l1buf, sizeof(l1buf), f1in)) { |
| 424 |
|
|
lin1cnt++; |
| 425 |
|
|
if (!*sskip2(l1buf,0)) |
| 426 |
|
|
continue; /* ignore empty lines */ |
| 427 |
|
|
while (fgets(l2buf, sizeof(l2buf), f2in)) { |
| 428 |
|
|
lin2cnt++; |
| 429 |
|
|
if (*sskip2(l2buf,0)) |
| 430 |
|
|
break; /* found other non-empty line */ |
| 431 |
|
|
} |
| 432 |
|
|
if (feof(f2in)) { |
| 433 |
|
|
if (report != REP_QUIET) { |
| 434 |
|
|
fputs(f2name, stderr); |
| 435 |
|
|
fputs(": Unexpected end-of-file\n", stderr); |
| 436 |
|
|
} |
| 437 |
|
|
return(0); |
| 438 |
|
|
} |
| 439 |
|
|
/* compare non-empty lines */ |
| 440 |
|
|
if (!equiv_string(l1buf, l2buf)) { |
| 441 |
|
|
if (report != REP_QUIET) { |
| 442 |
|
|
fprintf(stderr, "%s: inputs '%s' and '%s' differ at line %d|%d\n", |
| 443 |
|
|
progname, f1name, f2name, |
| 444 |
|
|
lin1cnt, lin2cnt); |
| 445 |
|
|
if (report >= REP_VERBOSE) { |
| 446 |
|
|
fputs("------------- Mismatch -------------\n", stderr); |
| 447 |
|
|
fprintf(stderr, "%s(%d):\t%s", f1name, |
| 448 |
|
|
lin1cnt, l1buf); |
| 449 |
|
|
fprintf(stderr, "%s(%d):\t%s", f2name, |
| 450 |
|
|
lin2cnt, l2buf); |
| 451 |
|
|
} |
| 452 |
|
|
} |
| 453 |
|
|
return(0); |
| 454 |
|
|
} |
| 455 |
|
|
} |
| 456 |
|
|
/* check for EOF on input 2 */ |
| 457 |
|
|
while (fgets(l2buf, sizeof(l2buf), f2in)) { |
| 458 |
|
|
if (!*sskip2(l2buf,0)) |
| 459 |
|
|
continue; |
| 460 |
|
|
if (report != REP_QUIET) { |
| 461 |
|
|
fputs(f1name, stderr); |
| 462 |
|
|
fputs(": Unexpected end-of-file\n", stderr); |
| 463 |
|
|
} |
| 464 |
|
|
return(0); |
| 465 |
|
|
} |
| 466 |
|
|
return(good_RMS()); /* final check for reals */ |
| 467 |
|
|
} |
| 468 |
|
|
|
| 469 |
|
|
/* Compare two inputs that are known to be RGBE or XYZE images */ |
| 470 |
|
|
static int |
| 471 |
|
|
compare_hdr() |
| 472 |
|
|
{ |
| 473 |
|
|
RESOLU rs1, rs2; |
| 474 |
|
|
COLOR *scan1, *scan2; |
| 475 |
|
|
int x, y; |
| 476 |
|
|
|
| 477 |
|
|
fgetsresolu(&rs1, f1in); |
| 478 |
|
|
fgetsresolu(&rs2, f2in); |
| 479 |
|
|
if (rs1.rt != rs2.rt) { |
| 480 |
|
|
if (report != REP_QUIET) |
| 481 |
|
|
fprintf(stderr, |
| 482 |
|
|
"%s: Images '%s' and '%s' have different pixel ordering\n", |
| 483 |
|
|
progname, f1name, f2name); |
| 484 |
|
|
return(0); |
| 485 |
|
|
} |
| 486 |
|
|
if ((rs1.xr != rs2.xr) | (rs1.yr != rs2.yr)) { |
| 487 |
|
|
if (report != REP_QUIET) |
| 488 |
|
|
fprintf(stderr, |
| 489 |
|
|
"%s: Images '%s' and '%s' are different sizes\n", |
| 490 |
|
|
progname, f1name, f2name); |
| 491 |
|
|
return(0); |
| 492 |
|
|
} |
| 493 |
|
|
scan1 = (COLOR *)malloc(scanlen(&rs1)*sizeof(COLOR)); |
| 494 |
|
|
scan2 = (COLOR *)malloc(scanlen(&rs2)*sizeof(COLOR)); |
| 495 |
|
|
if (!scan1 | !scan2) { |
| 496 |
|
|
fprintf(stderr, "%s: out of memory in compare_hdr()\n", progname); |
| 497 |
|
|
exit(2); |
| 498 |
|
|
} |
| 499 |
|
|
for (y = 0; y < numscans(&rs1); y++) { |
| 500 |
|
|
if ((freadscan(scan1, scanlen(&rs1), f1in) < 0) | |
| 501 |
|
|
(freadscan(scan2, scanlen(&rs2), f2in) < 0)) { |
| 502 |
|
|
if (report != REP_QUIET) |
| 503 |
|
|
fprintf(stderr, "%s: Unexpected end-of-file\n", |
| 504 |
|
|
progname); |
| 505 |
|
|
free(scan1); |
| 506 |
|
|
free(scan2); |
| 507 |
|
|
return(0); |
| 508 |
|
|
} |
| 509 |
|
|
for (x = scanlen(&rs1); x--; ) { |
| 510 |
|
|
if (real_check(colval(scan1[x],RED), |
| 511 |
|
|
colval(scan2[x],RED)) & |
| 512 |
|
|
real_check(colval(scan1[x],GRN), |
| 513 |
|
|
colval(scan2[x],GRN)) & |
| 514 |
|
|
real_check(colval(scan1[x],BLU), |
| 515 |
|
|
colval(scan2[x],BLU))) |
| 516 |
|
|
continue; |
| 517 |
|
|
if (report != REP_QUIET) { |
| 518 |
|
|
fprintf(stderr, |
| 519 |
|
|
"%s: pixels at scanline %d offset %d differ\n", |
| 520 |
|
|
progname, y, x); |
| 521 |
|
|
if (report >= REP_VERBOSE) { |
| 522 |
|
|
fprintf(stderr, "%s: (R,G,B)=(%g,%g,%g)\n", |
| 523 |
|
|
f1name, colval(scan1[x],RED), |
| 524 |
|
|
colval(scan1[x],GRN), |
| 525 |
|
|
colval(scan1[x],BLU)); |
| 526 |
|
|
fprintf(stderr, "%s: (R,G,B)=(%g,%g,%g)\n", |
| 527 |
|
|
f2name, colval(scan2[x],RED), |
| 528 |
|
|
colval(scan2[x],GRN), |
| 529 |
|
|
colval(scan2[x],BLU)); |
| 530 |
|
|
} |
| 531 |
|
|
} |
| 532 |
|
|
free(scan1); |
| 533 |
|
|
free(scan2); |
| 534 |
|
|
return(0); |
| 535 |
|
|
} |
| 536 |
|
|
} |
| 537 |
|
|
free(scan1); |
| 538 |
|
|
free(scan2); |
| 539 |
|
|
return(good_RMS()); /* final check of RMS */ |
| 540 |
|
|
} |
| 541 |
|
|
|
| 542 |
|
|
const char nsuffix[10][3] = { /* 1st, 2nd, 3rd, etc. */ |
| 543 |
|
|
"th","st","nd","rd","th","th","th","th","th","th" |
| 544 |
|
|
}; |
| 545 |
|
|
|
| 546 |
|
|
/* Compare two inputs that are known to be 32-bit floating-point data */ |
| 547 |
|
|
static int |
| 548 |
|
|
compare_float() |
| 549 |
|
|
{ |
| 550 |
|
|
long nread = 0; |
| 551 |
|
|
float f1, f2; |
| 552 |
|
|
|
| 553 |
|
|
while (getbinary(&f1, sizeof(f1), 1, f1in)) { |
| 554 |
|
|
if (!getbinary(&f2, sizeof(f2), 1, f2in)) |
| 555 |
|
|
goto badeof; |
| 556 |
|
|
++nread; |
| 557 |
|
|
if (real_check(f1, f2)) |
| 558 |
|
|
continue; |
| 559 |
|
|
if (report != REP_QUIET) |
| 560 |
|
|
fprintf(stderr, "%s: %ld%s float values differ\n", |
| 561 |
|
|
progname, nread, nsuffix[nread%10]); |
| 562 |
|
|
return(0); |
| 563 |
|
|
} |
| 564 |
|
|
if (!getbinary(&f2, sizeof(f2), 1, f2in)) |
| 565 |
|
|
return(good_RMS()); /* final check of RMS */ |
| 566 |
|
|
badeof: |
| 567 |
|
|
if (report != REP_QUIET) |
| 568 |
|
|
fprintf(stderr, "%s: Unexpected end-of-file\n", progname); |
| 569 |
|
|
return(0); |
| 570 |
|
|
} |
| 571 |
|
|
|
| 572 |
|
|
/* Compare two inputs that are known to be 64-bit floating-point data */ |
| 573 |
|
|
static int |
| 574 |
|
|
compare_double() |
| 575 |
|
|
{ |
| 576 |
|
|
long nread = 0; |
| 577 |
|
|
double f1, f2; |
| 578 |
|
|
|
| 579 |
|
|
while (getbinary(&f1, sizeof(f1), 1, f1in)) { |
| 580 |
|
|
if (!getbinary(&f2, sizeof(f2), 1, f2in)) |
| 581 |
|
|
goto badeof; |
| 582 |
|
|
++nread; |
| 583 |
|
|
if (real_check(f1, f2)) |
| 584 |
|
|
continue; |
| 585 |
|
|
if (report != REP_QUIET) |
| 586 |
|
|
fprintf(stderr, "%s: %ld%s float values differ\n", |
| 587 |
|
|
progname, nread, nsuffix[nread%10]); |
| 588 |
|
|
return(0); |
| 589 |
|
|
} |
| 590 |
|
|
if (!getbinary(&f2, sizeof(f2), 1, f2in)) |
| 591 |
|
|
return(good_RMS()); /* final check of RMS */ |
| 592 |
|
|
badeof: |
| 593 |
|
|
if (report != REP_QUIET) |
| 594 |
|
|
fprintf(stderr, "%s: Unexpected end-of-file\n", progname); |
| 595 |
|
|
return(0); |
| 596 |
|
|
} |
| 597 |
|
|
|
| 598 |
|
|
/* Compare two Radiance files for equivalence */ |
| 599 |
|
|
int |
| 600 |
|
|
main(int argc, char *argv[]) |
| 601 |
|
|
{ |
| 602 |
|
|
int typ1, typ2; |
| 603 |
|
|
int a; |
| 604 |
|
|
|
| 605 |
|
|
progname = argv[0]; |
| 606 |
|
|
for (a = 1; a < argc && argv[a][0] == '-'; a++) { |
| 607 |
|
|
switch (argv[a][1]) { |
| 608 |
|
|
case 'h': /* ignore header info. */ |
| 609 |
|
|
ign_header = !ign_header; |
| 610 |
|
|
continue; |
| 611 |
|
|
case 's': /* silent operation */ |
| 612 |
|
|
report = REP_QUIET; |
| 613 |
|
|
continue; |
| 614 |
|
|
case 'w': /* turn off warnings */ |
| 615 |
|
|
if (report > REP_ERROR) |
| 616 |
|
|
report = REP_ERROR; |
| 617 |
|
|
continue; |
| 618 |
|
|
case 'v': /* turn on verbose mode */ |
| 619 |
|
|
report = REP_VERBOSE; |
| 620 |
|
|
continue; |
| 621 |
|
|
case 'm': /* maximum epsilon */ |
| 622 |
|
|
max_lim = atof(argv[++a]); |
| 623 |
|
|
continue; |
| 624 |
|
|
case 'r': |
| 625 |
|
|
if (argv[a][2] == 'e') /* relative difference */ |
| 626 |
|
|
rel_min = atof(argv[++a]); |
| 627 |
|
|
else if (argv[a][2] == 'm') /* RMS limit */ |
| 628 |
|
|
rms_lim = atof(argv[++a]); |
| 629 |
|
|
else |
| 630 |
|
|
usage(); |
| 631 |
|
|
continue; |
| 632 |
|
|
case '\0': /* first file from stdin */ |
| 633 |
|
|
f1in = stdin; |
| 634 |
|
|
f1name = stdin_name; |
| 635 |
|
|
break; |
| 636 |
|
|
default: |
| 637 |
|
|
usage(); |
| 638 |
|
|
} |
| 639 |
|
|
break; |
| 640 |
|
|
} |
| 641 |
|
|
if (a != argc-2) |
| 642 |
|
|
usage(); |
| 643 |
|
|
if (!f1name) f1name = argv[a]; |
| 644 |
|
|
if (!f2name) f2name = argv[a+1]; |
| 645 |
|
|
|
| 646 |
|
|
if (!strcmp(f1name, f2name)) { /* inputs are same? */ |
| 647 |
|
|
if (report >= REP_WARN) |
| 648 |
|
|
fprintf(stderr, "%s: warning - identical inputs given\n", |
| 649 |
|
|
progname); |
| 650 |
|
|
return(0); |
| 651 |
|
|
} |
| 652 |
|
|
/* open inputs */ |
| 653 |
|
|
SET_FILE_BINARY(stdin); /* in case we're using it */ |
| 654 |
|
|
if (!f1in && !(f1in = fopen(f1name, "rb"))) { |
| 655 |
|
|
fprintf(stderr, "%s: cannot open for reading\n", f1name); |
| 656 |
|
|
return(1); |
| 657 |
|
|
} |
| 658 |
|
|
if (!strcmp(f2name, "-")) { |
| 659 |
|
|
f2in = stdin; |
| 660 |
|
|
f2name = stdin_name; |
| 661 |
|
|
} else if (!(f2in = fopen(f2name, "rb"))) { |
| 662 |
|
|
fprintf(stderr, "%s: cannot open for reading\n", f2name); |
| 663 |
|
|
return(1); |
| 664 |
|
|
} |
| 665 |
|
|
/* load headers */ |
| 666 |
|
|
if ((typ1 = identify_type(f1name, f1in, &hdr1)) < 0) |
| 667 |
|
|
return(1); |
| 668 |
|
|
if ((typ2 = identify_type(f2name, f2in, &hdr2)) < 0) |
| 669 |
|
|
return(1); |
| 670 |
|
|
if (typ1 != typ2) { |
| 671 |
|
|
if (report != REP_QUIET) |
| 672 |
|
|
fprintf(stderr, "%s: '%s' is %s and '%s' is %s\n", |
| 673 |
|
|
progname, f1name, file_type[typ1], |
| 674 |
|
|
f2name, file_type[typ2]); |
| 675 |
|
|
return(1); |
| 676 |
|
|
} |
| 677 |
|
|
ign_header |= !has_header(typ1); /* check headers if indicated */ |
| 678 |
|
|
if (!ign_header && !headers_match(&hdr1, &hdr2)) |
| 679 |
|
|
return(1); |
| 680 |
|
|
lu_done(&hdr1); lu_done(&hdr2); |
| 681 |
|
|
if (!ign_header & (report >= REP_WARN)) { |
| 682 |
|
|
if (typ1 == TYP_UNKNOWN) |
| 683 |
|
|
fprintf(stderr, "%s: warning - unrecognized format, comparing as binary\n", |
| 684 |
|
|
progname); |
| 685 |
|
|
if (lin1cnt != lin2cnt) |
| 686 |
|
|
fprintf(stderr, "%s: warning - headers are different lengths\n", |
| 687 |
|
|
progname); |
| 688 |
|
|
} |
| 689 |
|
|
if (report >= REP_VERBOSE) |
| 690 |
|
|
fprintf(stderr, "%s: input file type is %s\n", |
| 691 |
|
|
progname, file_type[typ1]); |
| 692 |
|
|
|
| 693 |
|
|
switch (typ1) { /* compare based on type */ |
| 694 |
|
|
case TYP_BINARY: |
| 695 |
|
|
case TYP_TMESH: |
| 696 |
|
|
case TYP_OCTREE: |
| 697 |
|
|
case TYP_RBFMESH: |
| 698 |
|
|
case TYP_UNKNOWN: |
| 699 |
|
|
return( !compare_binary() ); |
| 700 |
|
|
case TYP_TEXT: |
| 701 |
|
|
case TYP_ASCII: |
| 702 |
|
|
return( !compare_text() ); |
| 703 |
|
|
case TYP_RGBE: |
| 704 |
|
|
case TYP_XYZE: |
| 705 |
|
|
return( !compare_hdr() ); |
| 706 |
|
|
case TYP_FLOAT: |
| 707 |
|
|
return( !compare_float() ); |
| 708 |
|
|
case TYP_DOUBLE: |
| 709 |
|
|
return( !compare_double() ); |
| 710 |
|
|
} |
| 711 |
|
|
return(1); |
| 712 |
|
|
} |
