8 examples of 'bitwise absolute value' in Go

356
func Abs8(val int8) int8 {
357
	if val < 0 {
358
		return val * -1
359
	}
360
361
	return val
362
}

33
func Abs(value *big.Int) *big.Int {
34
	ret := Clone(value)
35
	return ret.Neg(value)
36
}

198
func BetweenU8(val, min, max uint8) uint8 {
199
	switch {
200
	case val < min:
201
		return min
202
	case val > max:
203
		return max
204
	default:
205
		return val
206
	}
207
}

27
func Absi64(a int64) int64 {
28
	if a > 0 {
29
		return a
30
	} else {
31
		return -a
32
	}
33
}

132
func constantBinaryOp(op token.Token, x, y constant.Value) (r constant.Value, err error) {
133
	defer func() {
134
		if x := recover(); x != nil {
135
			err = fmt.Errorf("%v", x)
136
		}
137
	}()
138
	switch op {
139
	case token.SHL, token.SHR:
140
		n, _ := constant.Uint64Val(y)
141
		r = constant.Shift(x, op, uint(n))
142
	case token.EQL, token.NEQ, token.LSS, token.LEQ, token.GTR, token.GEQ:
143
		r = constant.MakeBool(constant.Compare(x, op, y))
144
	default:
145
		r = constant.BinaryOp(x, op, y)
146
	}
147
	return r, nil
148
}

7
func BigCmpAbs(x, y *big.Int) int { return cmpBits(x.Bits(), y.Bits()) }

528
func (z80 *Z80) sra(value byte) byte {
529
	z80.f = value & FLAG_C
530
	value = (value & 0x80) | (value >> 1)
531
	z80.f |= sz53pTable[value]
532
	return value
533
}

616
func OpSHR_uint_uint8(x uint, y uint8) uint {
617
	return x >> y
618
}