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math logarithm c. Compute natural logarithm Returns the natural logarithm of x. A domain error occurs if num is negative and a range error occurs if the argument num is zero log10 gives the natural logarithm for 10.
The log function returns the natural logarithm for num. The following example uses Log to evaluate certain logarithmic identities for selected values. The log function in C returns the natural logarithm base-e logarithm of the argument passed in the parameter.
Nearest integer using current rounding mode with exception if the result differs function Floating point manipulation functions.
This function will return you the log value of that number. For common base-10 logarithms see log10. Compute natural logarithm Returns the natural logarithm of x. If x is 0 they return infinity INF.