Compiler Library/XL Reference Manual (32650-90029)
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Table 1-4. Exponent, Root, and Logarithm Functions
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| Function | Description |
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| ALOG or ALOG' | Calculates the natural logarithm of a positive real number. |
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| ALOG10 | Calculates the base 10 logarithm of a positive real number. |
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| CEXP or CEXP' | Calculates
ex
, where
x
is a complex number. |
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| CLOG or CLOG' | Calculates the natural logarithm of a complex number. |
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| CSQRT or CSQRT' | Calculates the square root of a complex number. |
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| DEXP or DEXP' | Calculates
ex
, where
x
is a longreal number. |
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| DLOG or DLOG' | Calculates the natural logarithm of a positive longreal number. |
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| DLOG10 | Calculates the base 10 logarithm of a positive longreal number. |
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| DSQRT or DSQRT' | Calculates the square root of a longreal number. |
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| EXP or EXP' | Calculates
ex
, where
x
is a real number. |
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| SQRT or SQRT' | Calculates the square root of a real number. |
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