GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: src/unrrdu/minmax.c Lines: 10 41 24.4 %
Date: 2017-05-26 Branches: 1 28 3.6 %

Line Branch Exec Source
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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 "Print out min and max values in one or more nrrds"
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static const char *_unrrdu_minmaxInfoL =
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(INFO ". Unlike other commands, this doesn't produce a nrrd.  It only "
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 "prints to standard out the min and max values found in the input nrrd(s), "
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 "and it also indicates if there are non-existent values.\n "
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 "* Uses nrrdRangeNewSet");
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int
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unrrdu_minmaxDoit(const char *me, char *inS, int blind8BitRange, FILE *fout) {
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  Nrrd *nrrd;
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  NrrdRange *range;
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  airArray *mop;
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  mop = airMopNew();
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  airMopAdd(mop, nrrd=nrrdNew(), (airMopper)nrrdNuke, airMopAlways);
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  if (nrrdLoad(nrrd, inS, NULL)) {
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    biffMovef(me, NRRD, "%s: trouble loading \"%s\"", me, inS);
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    airMopError(mop); return 1;
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  }
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  range = nrrdRangeNewSet(nrrd, blind8BitRange);
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  airMopAdd(mop, range, (airMopper)nrrdRangeNix, airMopAlways);
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  airSinglePrintf(fout, NULL, "min: %.17g\n", range->min);
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  airSinglePrintf(fout, NULL, "max: %.17g\n", range->max);
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  if (range->min == range->max) {
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    if (0 == range->min) {
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      fprintf(fout, "# min == max == 0.0 exactly\n");
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    } else {
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      fprintf(fout, "# min == max\n");
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    }
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  }
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  if (range->hasNonExist) {
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    fprintf(fout, "# has non-existent values\n");
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  }
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  airMopOkay(mop);
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  return 0;
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}
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int
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unrrdu_minmaxMain(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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1
  char *err, **inS;
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  airArray *mop;
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  int pret, blind8BitRange;
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1
  unsigned int ni, ninLen;
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#define B8DEF "false"
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  mop = airMopNew();
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  hestOptAdd(&opt, "blind8", "bool", airTypeBool, 1, 1, &blind8BitRange,
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             B8DEF, /* NOTE: not using nrrdStateBlind8BitRange here
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                       for consistency with previous behavior */
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             "whether to blindly assert the range of 8-bit data, "
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             "without actually going through the data values, i.e. "
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             "uchar is always [0,255], signed char is [-128,127]. "
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             "Note that even if you do not use this option, the default "
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             "(" B8DEF ") is potentialy over-riding the effect of "
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             "environment variable NRRD_STATE_BLIND_8_BIT_RANGE; "
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             "see \"unu env\"");
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  hestOptAdd(&opt, NULL, "nin1", airTypeString, 1, -1, &inS, NULL,
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             "input nrrd(s)", &ninLen);
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  airMopAdd(mop, opt, (airMopper)hestOptFree, airMopAlways);
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  USAGE(_unrrdu_minmaxInfoL);
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  PARSE();
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  airMopAdd(mop, opt, (airMopper)hestParseFree, airMopAlways);
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  for (ni=0; ni<ninLen; ni++) {
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    if (ninLen > 1) {
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      fprintf(stdout, "==> %s <==\n", inS[ni]);
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    }
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    if (unrrdu_minmaxDoit(me, inS[ni], blind8BitRange, stdout)) {
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      airMopAdd(mop, err = biffGetDone(me), airFree, airMopAlways);
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      fprintf(stderr, "%s: trouble with \"%s\":\n%s",
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              me, inS[ni], err);
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      /* continue working on the remaining files */
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    }
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    if (ninLen > 1 && ni < ninLen-1) {
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      fprintf(stdout, "\n");
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    }
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  }
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  airMopOkay(mop);
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  return 0;
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1
}
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UNRRDU_CMD(minmax, INFO);