sqrt

Compute square root of x.

Special Values
x	sqrt(x)	invalid?
-0.0	-0.0	no
<0.0	NaN	yes
+∞	+∞	no

float sqrt(float x)
pragma(inline, true) @nogc @safe pure nothrow
float
sqrt
(
float x
)
double sqrt(double x)
real sqrt(real x)

Examples

import std.math.operations : feqrel;
import std.math.traits : isNaN;

assert(sqrt(2.0).feqrel(1.4142) > 16);
assert(sqrt(9.0).feqrel(3.0) > 16);

assert(isNaN(sqrt(-1.0f)));
assert(isNaN(sqrt(-1.0)));
assert(isNaN(sqrt(-1.0L)));

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std math algebraic functions