XL Fortran for AIX 8.1

Language Reference


Common logarithm.

must be of type real. The value of X must be greater than zero.


Elemental function

Result Type and Attributes

Same as X.

Result Value

The result has a value equal to log10X.


LOG10 (10.0) has the value 1.0.

Specific Name Argument Type Result Type Pass As Arg?
ALOG10 default real default real yes
DLOG10 double precision real double precision real yes
QLOG10 REAL(16) REAL(16) yes(1)


  1. IBM Extension: the ability to pass the name as an argument.

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