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Add portable ctz, popcnt, rotl, rotr, nearest & copysign (#75)

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This commit is contained in:
Max Graey
2018-04-15 01:35:43 +03:00
committed by Daniel Wirtz
parent 990fa850ff
commit d66f9d205c
2 changed files with 45 additions and 0 deletions
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12
std/portable.d.ts vendored
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@ -135,16 +135,28 @@ declare namespace f64 {
/** Performs the sign-agnostic count leading zero bits operation on a 32-bit integer. All zero bits are considered leading if the value is zero. */
declare function clz<T = i32>(value: T): T;
/** Performs the sign-agnostic count tailing zero bits operation on a 32-bit integer. All zero bits are considered trailing if the value is zero. */
declare function ctz<T = i32>(value: T): T;
/** Performs the sign-agnostic count number of one bits operation on a 32-bit integer. */
declare function popcnt<T = i32>(value: T): T;
/** Performs the sign-agnostic rotate left operation on a 32-bit integer. */
declare function rotl<T = i32>(value: T, shift: T): T;
/** Performs the sign-agnostic rotate right operation on a 32-bit integer. */
declare function rotr<T = i32>(value: T, shift: T): T;
/** Computes the absolute value of an integer or float. */
declare function abs<T = i32 | f32 | f64>(value: T): T;
/** Determines the maximum of two integers or floats. If either operand is `NaN`, returns `NaN`. */
declare function max<T = i32 | f32 | f64>(left: T, right: T): T;
/** Determines the minimum of two integers or floats. If either operand is `NaN`, returns `NaN`. */
declare function min<T = i32 | f32 | f64>(left: T, right: T): T;
/** Composes a 32-bit or 64-bit float from the magnitude of `x` and the sign of `y`. */
declare function copysign<T = f32 | f64>(x: T, y: T): T;
/** Performs the ceiling operation on a 32-bit or 64-bit float. */
declare function ceil<T = f32 | f64>(value: T): T;
/** Performs the floor operation on a 32-bit or 64-bit float. */
declare function floor<T = f32 | f64>(value: T): T;
/** Rounds to the nearest integer tied to even of a 32-bit or 64-bit float. */
declare function nearest<T = f32 | f64>(value: T): T;
/** Selects one of two pre-evaluated values depending on the condition. */
declare function select<T>(ifTrue: T, ifFalse: T, condition: bool): T;
/** Calculates the square root of a 32-bit or 64-bit float. */