mirror of https://github.com/golang/go.git
93 lines
2.4 KiB
Go
93 lines
2.4 KiB
Go
// Copyright 2010 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build !math_big_pure_go
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package big
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import _ "unsafe" // for linkname
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// implemented in arith_$GOARCH.s
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// addVV should be an internal detail,
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// but widely used packages access it using linkname.
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// Notable members of the hall of shame include:
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// - github.com/remyoudompheng/bigfft
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//
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// Do not remove or change the type signature.
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// See go.dev/issue/67401.
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//
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//go:linkname addVV
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//go:noescape
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func addVV(z, x, y []Word) (c Word)
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// subVV should be an internal detail,
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// but widely used packages access it using linkname.
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// Notable members of the hall of shame include:
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// - github.com/remyoudompheng/bigfft
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//
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// Do not remove or change the type signature.
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// See go.dev/issue/67401.
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//
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//go:linkname subVV
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//go:noescape
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func subVV(z, x, y []Word) (c Word)
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// shlVU should be an internal detail (and a stale one at that),
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// but widely used packages access it using linkname.
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// Notable members of the hall of shame include:
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// - github.com/remyoudompheng/bigfft
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//
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// Do not remove or change the type signature.
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// See go.dev/issue/67401.
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//
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//go:linkname shlVU
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func shlVU(z, x []Word, s uint) (c Word) {
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if s == 0 {
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copy(z, x)
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return 0
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}
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return lshVU(z, x, s)
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}
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// lshVU sets z = x<<s, returning the high bits c. 1 ≤ s ≤ _B-1.
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//
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//go:noescape
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func lshVU(z, x []Word, s uint) (c Word)
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// rshVU sets z = x>>s, returning the low bits c. 1 ≤ s ≤ _B-1.
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//
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//go:noescape
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func rshVU(z, x []Word, s uint) (c Word)
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// mulAddVWW should be an internal detail,
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// but widely used packages access it using linkname.
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// Notable members of the hall of shame include:
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// - github.com/remyoudompheng/bigfft
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//
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// Do not remove or change the type signature.
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// See go.dev/issue/67401.
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//
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//go:linkname mulAddVWW
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//go:noescape
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func mulAddVWW(z, x []Word, m, a Word) (c Word)
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// addMulVVW should be an internal detail (and a stale one at that),
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// but widely used packages access it using linkname.
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// Notable members of the hall of shame include:
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// - github.com/remyoudompheng/bigfft
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//
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// Do not remove or change the type signature.
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// See go.dev/issue/67401.
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//
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//go:linkname addMulVVW
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func addMulVVW(z, x []Word, y Word) (c Word) {
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return addMulVVWW(z, z, x, y, 0)
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}
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// addMulVVWW sets z = x+y*m+a.
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//
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//go:noescape
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func addMulVVWW(z, x, y []Word, m, a Word) (c Word)
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