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1.1 root 1: .th LOG III 4/30/72
2: .sh NAME
3: log \*- natural logarithm
4: .sh SYNOPSIS
5: .ft B
6: jsr r5,log
7: .s3
8: double log(x)
9: .br
10: double x;
11: .ft R
12: .sh DESCRIPTION
13: The
14: natural logarithm of fr0 is returned in fr0.
15: From C, the natural logarithm of \fBx\fR is returned.
16: .sh DIAGNOSTICS
17: The error bit (c-bit)
18: is set if the input argument is less than or
19: equal to zero and the result is a
20: negative number very large in magnitude.
21: From C, there is no error indication.
22: .sh BUGS
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