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Module std.math.traits
This is a submodule of std
.
It contains several functions for introspection on numerical values.
Functions
Name | Description |
---|---|
copysign(to, from)
|
|
isFinite(x)
|
Determines if x is finite. |
isIdentical(x, y)
|
Is the binary representation of x identical to y? |
isInfinity(x)
|
Determines if x is ±∞. |
isNaN(x)
|
Determines if x is NaN. |
isNormal(x)
|
Determines if x is normalized. |
isPowerOf2(x)
|
Check whether a number is an integer power of two. |
isSubnormal(x)
|
Determines if x is subnormal. |
sgn(x)
|
Returns -1 if x < 0 , x if x == 0 , 1 if
x > 0 , and NAN if x==NAN.
|
signbit(x)
|
Return 1 if sign bit of e is set, 0 if not. |
Authors
Walter Bright, Don Clugston, Conversion of CEPHES math library to D by Iain Buclaw and David Nadlinger
License
Copyright © 1999-2022 by the D Language Foundation | Page generated by ddox.