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1.1 root 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: .\"
5: .\" @(#)flmin.3f 6.2 (Berkeley) 6/7/85
6: .\"
7: .TH FLMIN 3F "June 7, 1985"
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.
46: This is the difference between 1.0 and the
47: smallest real number greater than 1.0.
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
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