Elemental Intrinsic Function (Generic): Returns the common logarithm of the argument.
Syntax
Results:
The result type is the same as x. The result has a value equal to log10x.
Specific Name | Argument Type | Result Type |
---|---|---|
ALOG10 1 | REAL(4) | REAL(4) |
DLOG10 | REAL(8) | REAL(8) |
QLOG10 2 | REAL(16) | REAL(16) |
1 The setting of compiler option
/real_size can affect ALOG10.
2 VMS and U*X |
Compatibility
CONSOLE STANDARD GRAPHICS QUICKWIN GRAPHICS WINDOWS DLL LIB
See Also: LOG
Examples
LOG10 (8.0) has the value 0.9030900.
LOG10 (15.0) has the value 1.176091.
The following shows another example:
REAL r
r = LOG10(10.0) ! returns 1.0