| 2aa62f2b |
1 | /* $NetBSD: floatio.h,v 1.5 2005/05/14 23:51:02 christos Exp $ */\r |
| 2 | \r |
| 3 | /*-\r |
| 4 | * Copyright (c) 1990, 1993\r |
| 5 | * The Regents of the University of California. All rights reserved.\r |
| 6 | *\r |
| 7 | * This code is derived from software contributed to Berkeley by\r |
| 8 | * Chris Torek.\r |
| 9 | *\r |
| 10 | * Redistribution and use in source and binary forms, with or without\r |
| 11 | * modification, are permitted provided that the following conditions\r |
| 12 | * are met:\r |
| 13 | * 1. Redistributions of source code must retain the above copyright\r |
| 14 | * notice, this list of conditions and the following disclaimer.\r |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright\r |
| 16 | * notice, this list of conditions and the following disclaimer in the\r |
| 17 | * documentation and/or other materials provided with the distribution.\r |
| 18 | * 3. Neither the name of the University nor the names of its contributors\r |
| 19 | * may be used to endorse or promote products derived from this software\r |
| 20 | * without specific prior written permission.\r |
| 21 | *\r |
| 22 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND\r |
| 23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r |
| 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r |
| 25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE\r |
| 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r |
| 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r |
| 28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r |
| 29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r |
| 30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r |
| 31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r |
| 32 | * SUCH DAMAGE.\r |
| 33 | *\r |
| 34 | * @(#)floatio.h 8.1 (Berkeley) 6/4/93\r |
| 35 | */\r |
| 36 | \r |
| 37 | /*\r |
| 38 | * Floating point scanf/printf (input/output) definitions.\r |
| 39 | */\r |
| 40 | \r |
| 41 | /* 11-bit exponent (VAX G floating point) is 308 decimal digits */\r |
| 42 | #define MAXEXP 308\r |
| 43 | /* 128 bit fraction takes up 39 decimal digits; max reasonable precision */\r |
| 44 | #define MAXFRACT 39\r |
| 45 | /* \r |
| 46 | * MAXEXPDIG is the maximum number of decimal digits needed to store a\r |
| 47 | * floating point exponent in the largest supported format. It should\r |
| 48 | * be ceil(log10(LDBL_MAX_10_EXP)) or, if hexadecimal floating point \r |
| 49 | * conversions are supported, ceil(log10(LDBL_MAX_EXP)). But since it\r |
| 50 | * is presently never greater than 5 in practice, we fudge it.\r |
| 51 | */ \r |
| 52 | #define MAXEXPDIG 6\r |
| 53 | #if LDBL_MAX_EXP > 999999\r |
| 54 | #error "floating point buffers too small"\r |
| 55 | #endif \r |
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