/* Copyright (C) 1995,1996 Free Software Foundation, Inc. * * 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 2, 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 software; see the file COPYING. If not, write to * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. * * As a special exception, the Free Software Foundation gives permission * for additional uses of the text contained in its release of GUILE. * * The exception is that, if you link the GUILE library with other files * to produce an executable, this does not by itself cause the * resulting executable to be covered by the GNU General Public License. * Your use of that executable is in no way restricted on account of * linking the GUILE library code into it. * * This exception does not however invalidate any other reasons why * the executable file might be covered by the GNU General Public License. * * This exception applies only to the code released by the * Free Software Foundation under the name GUILE. If you copy * code from other Free Software Foundation releases into a copy of * GUILE, as the General Public License permits, the exception does * not apply to the code that you add in this way. To avoid misleading * anyone as to the status of such modified files, you must delete * this exception notice from them. * * If you write modifications of your own for GUILE, it is your choice * whether to permit this exception to apply to your modifications. * If you do not wish that, delete this exception notice. */ #include #include "_scm.h" #include "boolean.h" SCM_PROC(s_not, "not", 1, 0, 0, scm_not); SCM scm_not(x) SCM x; { return SCM_FALSEP(x) ? SCM_BOOL_T : SCM_BOOL_F; } SCM_PROC(s_boolean_p, "boolean?", 1, 0, 0, scm_boolean_p); SCM scm_boolean_p(obj) SCM obj; { if (SCM_BOOL_F==obj) return SCM_BOOL_T; if (SCM_BOOL_T==obj) return SCM_BOOL_T; return SCM_BOOL_F; } void scm_init_boolean () { #include "boolean.x" }