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Function std.math.log

Calculate the natural logarithm of x.

x log(x) divide by 0? invalid? ±0.0 -∞ yes no <0.0 no yes +∞ +∞ no no

Prototype

real log(
  real x
) pure nothrow @nogc @safe;

Example

assert(log(E) == 1);

Authors

Walter Bright, Don Clugston, Conversion of CEPHES math library to D by Iain Buclaw

License

Boost License 1.0.

Comments