/* $Id: expr.c,v 1.4 2004/01/14 11:33:00 reinelt Exp $ * * expr ('y*') functions * This is only a workaround to make the Evaluator usable until * it's fully integrated into lcd4linux. * * Copyright 2004 Michael Reinelt * * This file is part of LCD4Linux. * * LCD4Linux 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 2, or (at your option) * any later version. * * LCD4Linux 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., 675 Mass Ave, Cambridge, MA 02139, USA. * * * $Log: expr.c,v $ * Revision 1.4 2004/01/14 11:33:00 reinelt * new plugin 'uname' which does what it's called * text widget nearly finished * first results displayed on MatrixOrbital * * Revision 1.3 2004/01/12 03:51:01 reinelt * evaluating the 'Variables' section in the config file * * Revision 1.2 2004/01/09 04:16:06 reinelt * added 'section' argument to cfg_get(), but NULLed it on all calls by now. * * Revision 1.1 2004/01/05 11:57:38 reinelt * added %y tokens to make the Evaluator useable * */ #include #include #include #include #include #include #define IN_EXPR #include "expr.h" #include "plugin.h" #include "debug.h" #include "cfg.h" int Expr(int index, char string[EXPR_TXT_LEN], double *val) { RESULT result = {0, 0.0, NULL}; static int errs[EXPRS+1]; char *expression; char yn[4]; if (index < 0 || index > EXPRS) return -1; if (errs[index]) return -1; sprintf(yn, "y%d", index); expression = cfg_get(NULL, yn, NULL); if (!expression || !*expression) { error("Empty expression for 'y%d'", index); errs[index]++; return -1; } Eval(expression, &result); strcpy(string, R2S(&result)); debug("%s: <%s> = '%s'",yn, expression, result); if (isdigit(*string)) { double max, min; *val = atof(string); sprintf(yn, "Max_y%d", index); max = atof(cfg_get(NULL, yn, "100")); sprintf(yn, "Min_y%d", index); min = atof(cfg_get(NULL, yn, "0")); if (max != min) *val = (*val - min)/(max - min); } DelResult (&result); return 0; } ion value='committer'>committer
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2014-10-20Release 0+git20141009.d26b627-1debian/0+git20141009.d26b627-1Jonathan McCrohan1-2/+2
2014-10-20Fix up packaging to account for move to DVBv5Jonathan McCrohan2-2/+6
2014-10-20delete d/dtv-scan-files.install; Upstream now supplies a MakefileJonathan McCrohan2-4/+1
2014-10-15d/control: update Standards Version to 3.9.6Jonathan McCrohan2-1/+3
2014-10-15d/control: add Build-Depends on dvb-toolsJonathan McCrohan2-1/+2
2014-10-15New Upstream Snapshot (commit d26b627)Jonathan McCrohan1-0/+10
2014-10-15Imported Upstream version 0+git20141009.d26b627upstream/0+git20141009.d26b627Jonathan McCrohan2010-11120/+159271
2014-07-23Release 0+git20140611.14bd6c7-1debian/0+git20140611.14bd6c7-1Jonathan McCrohan1-2/+2
2014-07-23New Upstream Snapshot (commit 14bd6c7)Jonathan McCrohan1-2/+3
2014-07-23Imported Upstream version 0+git20140611.14bd6c7upstream/0+git20140611.14bd6c7Jonathan McCrohan7-11/+60
2014-05-13New Upstream Snapshot (commit 1246b27)Jonathan McCrohan1-0/+6
2014-05-13Imported Upstream version 0+git20140512.1246b27upstream/0+git20140512.1246b27Jonathan McCrohan391-301/+3983
2014-04-05Release 0+git20140326.cfc2975-1debian/0+git20140326.cfc2975-1Jonathan McCrohan1-2/+2
2014-04-05d/control: update Homepage (upstream has moved from Gitweb to cgit)Jonathan McCrohan2-1/+2
2014-04-05New Upstream Snapshot (commit cfc2975)Jonathan McCrohan1-0/+6
2014-04-05Imported Upstream version 0+git20140326.cfc2975upstream/0+git20140326.cfc2975Jonathan McCrohan118-656/+877
2014-01-16Release 0+git20140107.1850cf8-1debian/0+git20140107.1850cf8-1Jonathan McCrohan1-2/+2
2014-01-16Update Standards Version to 3.9.5Jonathan McCrohan2-1/+9