Menu
Search

API Documentation

version 2.096.0

overview

View source code
Display the source code in std/math.d from which this page was generated on github.
Report a bug
If you spot a problem with this page, click here to create a Bugzilla issue.
Improve this page
Quickly fork, edit online, and submit a pull request for this page. Requires a signed-in GitHub account. This works well for small changes. If you'd like to make larger changes you may want to consider using local clone.

Function std.math.sin

Returns sine of x. x is in radians.

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

double sin (
  double x
) pure nothrow @nogc @safe;

float sin (
  float x
) pure nothrow @nogc @safe;

Special Values
x sin(x) invalid?
NAN NAN yes
±0.0 ±0.0 no
±∞ NAN yes

Parameters

NameDescription
x angle in radians (not degrees)

Returns

sine of x

See Also

cos, tan, asin

Bugs

Results are undefined if |x| >= 264.

Example

import std.math : sin, PI;
import std.stdio : writefln;

void someFunc()
{
  real x = 30.0;
  auto result = sin(x * (PI / 180)); // convert degrees to radians
  writefln("The sine of %s degrees is %s", x, result);
}

Authors

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

License

Boost License 1.0.