Platform | x64, Win32, .NET |
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Purpose |
To get the natural logarithm of the argument. |
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Class |
Elemental function. |
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Syntax |
REAL FUNCTION LOG(X); REAL X |
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Description |
If X is real, its value must be greater than zero. If X is complex, its value must not be zero. |
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Return value |
The result has the value log e X. A complex result is the principal value with imaginary part w in the range -p < w < p. The imaginary part of the result is p only when the real part of the argument is less than zero and the imaginary part of the argument is zero. |