projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 3efe290c KM |
1 | .\" Copyright (c) 1983 Regents of the University of California. |
| 2 | .\" All rights reserved. The Berkeley software License Agreement | |
| 3 | .\" specifies the terms and conditions for redistribution. | |
| 4 | .\" | |
| dc649179 | 5 | .\" @(#)flmin.3 6.2 (Berkeley) %G% |
| 3efe290c | 6 | .\" |
| 3c70781f | 7 | .TH FLMIN 3F "" |
| 3efe290c KM |
8 | .UC 5 |
| 9 | .SH NAME | |
| 10 | flmin, flmax, ffrac, dflmin, dflmax, dffrac, inmax \- return extreme values | |
| 11 | .SH SYNOPSIS | |
| 12 | .B function flmin() | |
| 13 | .sp 1 | |
| 14 | .B function flmax() | |
| 15 | .sp 1 | |
| 16 | .B function ffrac() | |
| 17 | .sp 1 | |
| 18 | .B double precision function dflmin() | |
| 19 | .sp 1 | |
| 20 | .B double precision function dflmax() | |
| 21 | .sp 1 | |
| 22 | .B double precision function dffrac() | |
| 23 | .sp 1 | |
| 24 | .B function inmax() | |
| 25 | .SH DESCRIPTION | |
| 26 | Functions | |
| 27 | .I flmin | |
| 28 | and | |
| 29 | .I flmax | |
| 30 | return the minimum and maximum positive floating point values respectively. | |
| 31 | Functions | |
| 32 | .I dflmin | |
| 33 | and | |
| 34 | .I dflmax | |
| 35 | return the minimum and maximum positive double precision floating point values. | |
| 36 | Function | |
| 37 | .I inmax | |
| 38 | returns the maximum positive integer value. | |
| 39 | .PP | |
| 40 | The functions | |
| 41 | .I ffrac | |
| 42 | and | |
| 43 | .I dffrac | |
| 44 | return the fractional accuracy of single and double precision | |
| 45 | floating point numbers respectively. | |
| dc649179 RE |
46 | This is the difference between 1.0 and the |
| 47 | smallest real number greater than 1.0. | |
| 3efe290c KM |
48 | .PP |
| 49 | These functions can be used by programs that must scale algorithms | |
| 50 | to the numerical range of the processor. | |
| 51 | .SH FILES | |
| 52 | .ie \nM /usr/ucb/lib/libF77.a | |
| 53 | .el /usr/lib/libF77.a |