Description: |
Returns the common logarithm of the argument. | ||

Class: |
Elemental function; Generic | ||

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

Results: |
The result type is the same as X. The
result has a value equal to log_{10}X. |

Specific Name | Argument Type | Result Type | |
---|---|---|---|

ALOG10 ^{1} |
REAL(4) | REAL(4) | |

DLOG10 | REAL(8) | REAL(8) | |

QLOG10 | REAL(16) | REAL(16) | |

^{1} The setting of compiler options specifying
real size can affect ALOG10. |

**Examples**

LOG10 (8.0) has the value 0.9030900.

LOG10 (15.0) has the value 1.176091.

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