.th LOG III 4/30/72 .sh NAME log \*- natural logarithm .sh SYNOPSIS .ft B jsr r5,log .s3 double log(x) .br double x; .ft R .sh DESCRIPTION The natural logarithm of fr0 is returned in fr0. From C, the natural logarithm of \fBx\fR is returned. .sh DIAGNOSTICS The error bit (c-bit) is set if the input argument is less than or equal to zero and the result is a negative number very large in magnitude. From C, there is no error indication. .sh BUGS