Scientific Operations



LOG(III)                     4/30/72                     LOG(III)



NAME
     log - natural logarithm

SYNOPSIS
     jsr  pc,log

     double log(x)
     double x;

DESCRIPTION
     The  natural  logarithm  of fr0 is returned in fr0.  From C,
     the natural logarithm of x is returned.

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  indica-
     tion.

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