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Function std.math.isFinite

Determines if x is finite.

Prototype

bool isFinite(X)(
  X x
) pure nothrow @nogc @trusted;

params

x = a floating point number.

returns

true if x is finite.

Example

assert( isFinite(1.23f));
assert( isFinite(float.max));
assert( isFinite(float.min_normal));
assert(!isFinite(float.nan));
assert(!isFinite(float.infinity));

Authors

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

License

Boost License 1.0.

Comments