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Results 1 - 10 of 16 for trailingZeros (0.24 sec)
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src/math/bits/make_examples.go
}{ { name: "LeadingZeros", in: 1, out: [4]any{bits.LeadingZeros8(1), bits.LeadingZeros16(1), bits.LeadingZeros32(1), bits.LeadingZeros64(1)}, }, { name: "TrailingZeros", in: 14, out: [4]any{bits.TrailingZeros8(14), bits.TrailingZeros16(14), bits.TrailingZeros32(14), bits.TrailingZeros64(14)}, }, { name: "OnesCount", in: 14,
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Thu Oct 19 23:33:27 UTC 2023 - 3K bytes - Viewed (0) -
test/codegen/mathbits.go
// arm64:"RORW" // ppc64x:"ROTLW" // s390x:"RLL" // wasm:"I32Rotl" return bits.RotateLeft32(n, m) } // ------------------------ // // bits.TrailingZeros // // ------------------------ // func TrailingZeros(n uint) int { // amd64/v1,amd64/v2:"BSFQ","MOVL\t\\$64","CMOVQEQ" // amd64/v3:"TZCNTQ" // 386:"BSFL" // arm:"CLZ" // arm64:"RBIT","CLZ" // s390x:"FLOGR"
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Thu May 23 18:51:17 UTC 2024 - 19.6K bytes - Viewed (0) -
src/math/bits/bits.go
} // TrailingZeros returns the number of trailing zero bits in x; the result is [UintSize] for x == 0. func TrailingZeros(x uint) int { if UintSize == 32 { return TrailingZeros32(uint32(x)) } return TrailingZeros64(uint64(x)) } // TrailingZeros8 returns the number of trailing zero bits in x; the result is 8 for x == 0. func TrailingZeros8(x uint8) int { return int(ntz8tab[x]) }
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Thu Oct 19 11:59:09 UTC 2023 - 17.9K bytes - Viewed (0) -
src/strconv/itoa.go
// less than 8 which is smaller than any register width. This allows // the compiler to generate better code for the shift operation. shift := uint(bits.TrailingZeros(uint(base))) & 7 b := uint64(base) m := uint(base) - 1 // == 1<<shift - 1 for u >= b { i-- a[i] = digits[uint(u)&m] u >>= shift } // u < base i-- a[i] = digits[uint(u)]
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Thu Apr 04 14:21:28 UTC 2024 - 5.3K bytes - Viewed (0) -
src/runtime/mksizeclasses.go
spanSize := c.npages * pageSize objects := spanSize / c.size tailWaste := spanSize - c.size*(spanSize/c.size) maxWaste := float64((c.size-prevSize-1)*objects+tailWaste) / float64(spanSize) alignBits := bits.TrailingZeros(uint(c.size)) if alignBits > pageShift { // object alignment is capped at page alignment alignBits = pageShift } for i := range minAligns { if i > alignBits { minAligns[i] = 0
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Wed May 22 20:31:27 UTC 2024 - 9.6K bytes - Viewed (0) -
src/cmd/compile/internal/ssa/magic.go
func udivisibleOK32(c int32) bool { return udivisibleOK(32, int64(c)) } func udivisibleOK64(c int64) bool { return udivisibleOK(64, c) } type udivisibleData struct { k int64 // trailingZeros(c) m uint64 // m * (c>>k) mod 2^n == 1 multiplicative inverse of odd portion modulo 2^n max uint64 // ⎣(2^n - 1)/ c⎦ max value to for divisibility } func udivisible(n uint, c int64) udivisibleData {
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Tue Mar 26 19:58:25 UTC 2024 - 15.8K bytes - Viewed (0) -
api/go1.9.txt
pkg math/bits, func RotateLeft64(uint64, int) uint64 pkg math/bits, func RotateLeft8(uint8, int) uint8 pkg math/bits, func TrailingZeros(uint) int pkg math/bits, func TrailingZeros16(uint16) int pkg math/bits, func TrailingZeros32(uint32) int pkg math/bits, func TrailingZeros64(uint64) int pkg math/bits, func TrailingZeros8(uint8) int pkg mime, var ErrInvalidMediaParameter error pkg mime/multipart, type FileHeader struct, Size int64
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Mon Oct 04 20:20:20 UTC 2021 - 10.7K bytes - Viewed (0) -
src/math/big/natconv.go
if neg { i++ } s := make([]byte, i) // convert power of two and non power of two bases separately if b := Word(base); b == b&-b { // shift is base b digit size in bits shift := uint(bits.TrailingZeros(uint(b))) // shift > 0 because b >= 2 mask := Word(1<<shift - 1) w := x[0] // current word nbits := uint(_W) // number of unprocessed bits in w
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Fri Nov 18 17:59:44 UTC 2022 - 14.6K bytes - Viewed (0) -
src/math/big/nat.go
for x[i] == 0 { i++ } // x[i] != 0 return i*_W + uint(bits.TrailingZeros(uint(x[i]))) } // isPow2 returns i, true when x == 2**i and 0, false otherwise. func (x nat) isPow2() (uint, bool) { var i uint for x[i] == 0 { i++ } if i == uint(len(x))-1 && x[i]&(x[i]-1) == 0 { return i*_W + uint(bits.TrailingZeros(uint(x[i]))), true } return 0, false } func same(x, y nat) bool {
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Mon May 13 21:31:58 UTC 2024 - 31.7K bytes - Viewed (0) -
src/cmd/vendor/golang.org/x/mod/sumdb/tlog/tlog.go
// so the n we want is in [index/2, index/2+log₂(index)]. n = index / 2 indexN := StoredHashIndex(0, n) if indexN > index { panic("bad math") } for { // Each new record n adds 1 + trailingZeros(n) hashes. x := indexN + 1 + int64(bits.TrailingZeros64(uint64(n+1))) if x > index { break } n++ indexN = x } // The hash we want was committed with record n,
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Wed Jul 12 20:38:21 UTC 2023 - 17.9K bytes - Viewed (0)