/*
* Mathlib - A Mathematical Function Library
* Copyright (C) 1998 Ross Ihaka
* Copyright (C) 2000 The R Development Core Team
*
* 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 of the License, 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 "nmath.h"
#undef i1mach
/* This is (naughtily) used by port.c in package stats */
int Rf_i1mach(int i)
{
switch(i) {
case 1: return 5;
case 2: return 6;
case 3: return 0;
case 4: return 0;
case 5: return CHAR_BIT * sizeof(int);
case 6: return sizeof(int)/sizeof(char);
case 7: return 2;
case 8: return CHAR_BIT * sizeof(int) - 1;
case 9: return INT_MAX;
case 10: return FLT_RADIX;
case 11: return FLT_MANT_DIG;
case 12: return FLT_MIN_EXP;
case 13: return FLT_MAX_EXP;
case 14: return DBL_MANT_DIG;
case 15: return DBL_MIN_EXP;
case 16: return DBL_MAX_EXP;
default: return 0;
}
}
int F77_NAME(i1mach)(int *i)
{
return Rf_i1mach(*i);
}
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