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version 2.108.0

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Function std.complex.expi

Complex!(real) expi (
  real y
) pure nothrow @nogc @trusted;

Parameters

NameDescription
y A real number.

Returns

The value of cos(y) + i sin(y).

Note

expi is included here for convenience and for easy migration of code.

Example

import core.math : cos, sin;
writeln(expi(0.0L)); // 1.0L
writeln(expi(1.3e5L)); // complex(cos(1.3e5L), sin(1.3e5L))

Authors

Lars Tandle Kyllingstad, Don Clugston

License

Boost License 1.0