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/* |
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Teem: Tools to process and visualize scientific data and images . |
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Copyright (C) 2013, 2012, 2011, 2010, 2009 University of Chicago |
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Copyright (C) 2008, 2007, 2006, 2005 Gordon Kindlmann |
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Copyright (C) 2004, 2003, 2002, 2001, 2000, 1999, 1998 University of Utah |
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This library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Lesser General Public License |
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(LGPL) as published by the Free Software Foundation; either |
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version 2.1 of the License, or (at your option) any later version. |
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The terms of redistributing and/or modifying this software also |
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include exceptions to the LGPL that facilitate static linking. |
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This library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Lesser General Public License for more details. |
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You should have received a copy of the GNU Lesser General Public License |
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along with this library; if not, write to Free Software Foundation, Inc., |
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "unrrdu.h" |
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#include "privateUnrrdu.h" |
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#define INFO "Sees if two nrrds are different in any way" |
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static const char *_unrrdu_diffInfoL = |
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(INFO |
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". Looks through all fields to see if two given nrrds contain the " |
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"same information. Or, array meta-data can be excluded, and comparison " |
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"only on the data values is done with the -od flag.\n " |
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"* Uses nrrdCompare"); |
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int |
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unrrdu_diffMain(int argc, const char **argv, const char *me, |
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hestParm *hparm) { |
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hestOpt *opt = NULL; |
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char *err; |
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airArray *mop; |
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int pret; |
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Nrrd *ninA, *ninB; |
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int onlyData, differ; |
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double epsilon; |
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char explain[AIR_STRLEN_LARGE]; |
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mop = airMopNew(); |
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hestOptAdd(&opt, NULL, "ninA", airTypeOther, 1, 1, &ninA, NULL, |
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"First input nrrd.", |
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NULL, NULL, nrrdHestNrrd); |
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hestOptAdd(&opt, NULL, "ninB", airTypeOther, 1, 1, &ninB, NULL, |
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"Second input nrrd.", |
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NULL, NULL, nrrdHestNrrd); |
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hestOptAdd(&opt, "eps,epsilon", "eps", airTypeDouble, 1, 1, &epsilon, "0.0", |
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"threshold for allowable difference in values in " |
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"data values"); |
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hestOptAdd(&opt, "od,onlydata", NULL, airTypeInt, 0, 0, &onlyData, NULL, |
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"Compare data values only, excluding array meta-data"); |
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airMopAdd(mop, opt, (airMopper)hestOptFree, airMopAlways); |
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✓✗ |
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USAGE(_unrrdu_diffInfoL); |
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PARSE(); |
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airMopAdd(mop, opt, (airMopper)hestParseFree, airMopAlways); |
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if (nrrdCompare(ninA, ninB, onlyData, epsilon, &differ, explain)) { |
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airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways); |
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fprintf(stderr, "%s: error doing compare:\n%s", me, err); |
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airMopError(mop); |
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return 1; |
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} |
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if (differ) { |
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printf("%s: %s differ: %s\n", me, onlyData ? "data values" : "nrrds", |
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explain); |
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} else { |
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if (0 == epsilon) { |
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printf("%s: %s are the same\n", me, onlyData ? "data values" : "nrrds"); |
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} else { |
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printf("%s: %s are same or within %g of each other\n", me, |
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onlyData ? "data values" : "nrrds", epsilon); |
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} |
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} |
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airMopOkay(mop); |
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return 0; |
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} |
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UNRRDU_CMD(diff, INFO); |