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-- ISC License
--
-- Copyright (c) 2013-2018. DIKU, University of Copenhagen
--
-- Permission to use, copy, modify, and/or distribute this software for
-- any purpose with or without fee is hereby granted, provided that the
-- above copyright notice and this permission notice appear in all
-- copies.
--
-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
-- WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
-- WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
-- AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
-- DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
-- PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
-- TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
-- PERFORMANCE OF THIS SOFTWARE.
--
-- | The default prelude that is implicitly available in all Futhark
-- files.
open import "soacs"
open import "array"
open import "math"
open import "functional"
open import "ad"
-- | Create single-precision float from integer.
def r32 (x: i32): f32 = f32.i32 x
-- | Create integer from single-precision float.
def t32 (x: f32): i32 = i32.f32 x
-- | Create double-precision float from integer.
def r64 (x: i32): f64 = f64.i32 x
-- | Create integer from double-precision float.
def t64 (x: f64): i32 = i32.f64 x
-- | Negate a boolean. `not x` is the same as `!x`. This function is
-- mostly useful for passing to `map`.
def not (x: bool): bool = !x
-- | Semantically just identity, but serves as an optimisation
-- inhibitor. The compiler will treat this function as a black box.
-- You can use this to work around optimisation deficiencies (or
-- bugs), although it should hopefully rarely be necessary.
-- Deprecated: use `#[opaque]` attribute instead.
def opaque 't (x: t): t =
#[opaque] x
-- | Semantically just identity, but at runtime, the argument value
-- will be printed. Deprecated: use `#[trace]` attribute instead.
def trace 't (x: t): t =
#[trace(trace)] x
-- | Semantically just identity, but acts as a break point in
-- `futhark repl`. Deprecated: use `#[break]` attribute instead.
def break 't (x: t): t =
#[break] x
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