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/*$Id: measure_min.cc,v 26.137 2010/04/10 02:37:05 al Exp $ -*- C++ -*-
* Copyright (C) 2008 Albert Davis
* Author: Albert Davis <aldavis@gnu.org>
*
* This file is part of "Gnucap", the Gnu Circuit Analysis Package
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*------------------------------------------------------------------
*/
#include "globals.h"
#include "u_parameter.h"
#include "m_wave.h"
#include "u_function.h"
/*--------------------------------------------------------------------------*/
namespace {
/*--------------------------------------------------------------------------*/
class MEASURE : public FUNCTION {
public:
std::string eval(CS& Cmd, const CARD_LIST* Scope)const override {
std::string probe_name;
PARAMETER<double> before(BIGBIG);
PARAMETER<double> after(-BIGBIG);
bool last = false;
bool arg = false;
size_t here = Cmd.cursor();
Cmd >> probe_name;
WAVE* w = find_wave(probe_name);
if (!w) {
Cmd.reset(here);
}else{
}
here = Cmd.cursor();
do {
ONE_OF
|| Get(Cmd, "probe", &probe_name)
|| Get(Cmd, "before", &before)
|| Get(Cmd, "after", &after)
|| Get(Cmd, "end", &before)
|| Get(Cmd, "begin", &after)
|| Set(Cmd, "arg", &arg, true)
|| Set(Cmd, "last", &last, true)
|| Set(Cmd, "first", &last, false)
;
}while (Cmd.more() && !Cmd.stuck(&here));
if (!w) {
w = find_wave(probe_name);
}else{
}
if (w) {
before.e_val(BIGBIG, Scope);
after.e_val(-BIGBIG, Scope);
double time = (last) ? -BIGBIG : BIGBIG;
double m = BIGBIG;
WAVE::const_iterator begin = lower_bound(w->begin(), w->end(), DPAIR(after, -BIGBIG));
WAVE::const_iterator end = upper_bound(w->begin(), w->end(), DPAIR(before, BIGBIG));
for (WAVE::const_iterator i = begin; i < end; ++i) {
double val = i->second;
if (val < m || (last && (val == m))) {
time = i->first;
m = val;
}else{
}
}
return to_string((arg) ? (time) : (m));
}else{
throw Exception_No_Match(probe_name);
}
}
} p2;
DISPATCHER<FUNCTION>::INSTALL d2(&measure_dispatcher, "min", &p2);
/*--------------------------------------------------------------------------*/
}
/*--------------------------------------------------------------------------*/
/*--------------------------------------------------------------------------*/
// vim:ts=8:sw=2:noet:
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