man3/AFLintodB.3

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    AFLintodB(3)							 AFLintodB(3)

    NAME
      AFLintodB - decibel to linear

    SYNTAX
      #include <AF/AFUtils.h>

      extern double	AFLintodB(double lin);

    DESCRIPTION
      AFLintodB is a subroutine for	converting a voltage ratio into	a power	ratio
      expressed in decibels.  The formula is 20.0 *	log10(lin);

    ARGUMENTS

      lin  is a voltage ratio.

    SEE ALSO
      AFdBtoLin(3)
      AF(1)

    BUGS
      If you encounter a reproducible bug, please submit a problem report to
      (af-bugs@crl.dec.com).

    COPYRIGHT
      Copyright 1990-1994, Digital Equipment Corporation.
      See AF(1) for	a full statement of rights and permissions.

    AUTHORS
      Larry	Stewart, Digital Cambridge Research Lab