M_E, M_LOGxxx, M_LNxx #define
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Header File
math.h
Description
The constant values for logarithm functions.
Name | Meaning |
---|---|
M_E |
The value of e |
M_LOG2E |
The value of log(e) |
M_LOG10E |
The value of log10(e) |
M_LN2 |
The value of ln(2) |
M_LN10 |
The value of ln(10) |