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Function std.math.floor

Returns the value of x rounded downward to the next integer (toward negative infinity).

Prototype

real floor(
  real x
) pure nothrow @nogc @trusted;

Example

assert(floor(+123.456L) == +123);
assert(floor(-123.456L) == -124);
assert(floor(-1.234L) == -2);
assert(floor(-0.123L) == -1);
assert(floor(0.0L) == 0);
assert(floor(+0.123L) == 0);
assert(floor(+1.234L) == 1);
assert(floor(real.infinity) == real.infinity);
assert(isNaN(floor(real.nan)));
assert(isNaN(floor(real.init)));

Authors

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

License

Boost License 1.0.

Comments