projects / unix-history / blame
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1 | .\" Copyright (c) 1983, 1993 |
| 2 | .\" The Regents of the University of California. All rights reserved. | |
| 3efe290c | 3 | .\" |
| ad787160 C |
4 | .\" This module is believed to contain source code proprietary to AT&T. |
| 5 | .\" Use and redistribution is subject to the Berkeley Software License | |
| 6 | .\" Agreement and your Software Agreement with AT&T (Western Electric). | |
| ecee498b | 7 | .\" |
| ad787160 | 8 | .\" @(#)flmin.3 8.1 (Berkeley) 6/5/93 |
| 3efe290c | 9 | .\" |
| ad787160 | 10 | .TH FLMIN 3F "June 5, 1993" |
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11 | .UC 5 |
| 12 | .SH NAME | |
| 13 | flmin, flmax, ffrac, dflmin, dflmax, dffrac, inmax \- return extreme values | |
| 14 | .SH SYNOPSIS | |
| 15 | .B function flmin() | |
| 16 | .sp 1 | |
| 17 | .B function flmax() | |
| 18 | .sp 1 | |
| 19 | .B function ffrac() | |
| 20 | .sp 1 | |
| 21 | .B double precision function dflmin() | |
| 22 | .sp 1 | |
| 23 | .B double precision function dflmax() | |
| 24 | .sp 1 | |
| 25 | .B double precision function dffrac() | |
| 26 | .sp 1 | |
| 27 | .B function inmax() | |
| 28 | .SH DESCRIPTION | |
| 29 | Functions | |
| 30 | .I flmin | |
| 31 | and | |
| 32 | .I flmax | |
| 33 | return the minimum and maximum positive floating point values respectively. | |
| 34 | Functions | |
| 35 | .I dflmin | |
| 36 | and | |
| 37 | .I dflmax | |
| 38 | return the minimum and maximum positive double precision floating point values. | |
| 39 | Function | |
| 40 | .I inmax | |
| 41 | returns the maximum positive integer value. | |
| 42 | .PP | |
| 43 | The functions | |
| 44 | .I ffrac | |
| 45 | and | |
| 46 | .I dffrac | |
| 47 | return the fractional accuracy of single and double precision | |
| 48 | floating point numbers respectively. | |
| dc649179 RE |
49 | This is the difference between 1.0 and the |
| 50 | smallest real number greater than 1.0. | |
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51 | .PP |
| 52 | These functions can be used by programs that must scale algorithms | |
| 53 | to the numerical range of the processor. | |
| 54 | .SH FILES | |
| 55 | .ie \nM /usr/ucb/lib/libF77.a | |
| 56 | .el /usr/lib/libF77.a |