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annotate lib/printf-frexpl.h @ 11583:dc80f2cc1327

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Second attempt to work around an AIX 5.3, 6.1 compiler bug with include_next.
author Eric Blake <ebb9@byu.net>
date Thu, 21 May 2009 16:48:12 +0200
parents bec01fc15c2f
children b5e42ef33b49
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1 /* Split a 'long double' into fraction and mantissa, for hexadecimal printf.
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2 Copyright (C) 2007 Free Software Foundation, Inc.
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3
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4 This program is free software: you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 3 of the License, or
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7 (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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16
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17 /* Write a finite, positive number x as
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18 x = mantissa * 2^exp
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19 where exp >= LDBL_MIN_EXP - 1,
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20 mantissa < 2.0,
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21 if x is not a denormalized number then mantissa >= 1.0.
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22 Store exp in *EXPPTR and return mantissa. */
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23 extern long double printf_frexpl (long double x, int *expptr);