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1.1 root 1: .TH FLMIN 3F "13 June 1983"
2: .UC 4
3: .SH NAME
4: flmin, flmax, ffrac, dflmin, dflmax, dffrac, inmax \- return extreme values
5: .SH SYNOPSIS
6: .B function flmin()
7: .sp 1
8: .B function flmax()
9: .sp 1
10: .B function ffrac()
11: .sp 1
12: .B double precision function dflmin()
13: .sp 1
14: .B double precision function dflmax()
15: .sp 1
16: .B double precision function dffrac()
17: .sp 1
18: .B function inmax()
19: .SH DESCRIPTION
20: Functions
21: .I flmin
22: and
23: .I flmax
24: return the minimum and maximum positive floating point values respectively.
25: Functions
26: .I dflmin
27: and
28: .I dflmax
29: return the minimum and maximum positive double precision floating point values.
30: Function
31: .I inmax
32: returns the maximum positive integer value.
33: .PP
34: The functions
35: .I ffrac
36: and
37: .I dffrac
38: return the fractional accuracy of single and double precision
39: floating point numbers respectively.
40: These are the smallest numbers that can be added to 1.0 without being lost.
41: .PP
42: These functions can be used by programs that must scale algorithms
43: to the numerical range of the processor.
44: .SH FILES
45: .ie \nM /usr/ucb/lib/libF77.a
46: .el /usr/lib/libF77.a
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