Int8
Definitions
def
abs
(
x :
Int8
)
: Int8
\ Pure
Returns the absolute value of x
.
If the absolute value exceeds maxValue(), -1 is returned.
def
bitCount
(
x :
Int8
)
: Int32
\ Pure
Returns the number of one-bits in the two's complement binary
representation of x
.
def
bitwiseAnd
(
x :
Int8
y :
Int8
)
: Int8
\ Pure
Returns the bitwise AND of x
and y
.
def
bitwiseNot
(
x :
Int8
)
: Int8
\ Pure
Returns the bitwise NOT of x
.
def
bitwiseOr
(
x :
Int8
y :
Int8
)
: Int8
\ Pure
Returns the bitwise OR of x
and y
.
def
bitwiseXor
(
x :
Int8
y :
Int8
)
: Int8
\ Pure
Returns the bitwise XOR of x
and y
.
def
clearBit
(
pos :
{ pos = Int32 }
x :
Int8
)
: Int8
\ Pure
Returns x
with the bit at position pos
cleared (to 0).
Considers the 5 rightmost bits of pos
(pos
mod 32).
The bits of x have positions: 0 (rightmost bit) - 7 (leftmost bit)
def
compare
(
x :
Int8
y :
Int8
)
: Int32
\ Pure
Returns 1 if x > y, -1 if x < y, and 0 if x = y. The sign of x - y.
def
dist
(
x :
Int8
y :
Int8
)
: Int8
\ Pure
Returns the distance between x
and y
.
If this distance exceeds maxValue(), -1 is returned.
def
factorial
(
x :
Int8
)
: Int32
\ Pure
Returns the factorial of x
.
def
flipBit
(
pos :
{ pos = Int32 }
x :
Int8
)
: Int8
\ Pure
Returns x
with the bit at position pos
flipped.
Considers the 5 rightmost bits of pos
(pos
mod 32).
The bits of x have positions: 0 (rightmost bit) - 7 (leftmost bit)
def
fromString
(
s :
String
)
: Option[Int8]
\ Pure
Parse the string s
as an Int8, leading or trailing whitespace is trimmed.
A successful parse is wrapped with Some(x)
, a parse failure is indicated by None
.
def
getBit
(
pos :
{ pos = Int32 }
x :
Int8
)
: Int32
\ Pure
Returns the bit of x
at pos
(either 0 or 1).
Considers the 5 rightmost bits of pos
(pos
mod 32).
The bits of x have positions: 0 (rightmost bit) - 7 (leftmost bit)
def
highestOneBit
(
x :
Int8
)
: Int8
\ Pure
Returns a value with at most a single one-bit, in the position
of the highest-order/leftmost one-bit in x
.
Returns 0 if x=0.
def
highestOneBitPosition
(
x :
Int8
)
: Int32
\ Pure
Returns the position of the highest-order/leftmost one-bit in x
.
Possible return values: 0 (rightmost bit) - 7 (leftmost bit)
-1 if x = 0
def
leftShift
(
x :
Int8
y :
Int32
)
: Int8
\ Pure
Returns x
with the bits shifted left by y
places
def
log2
(
x :
Int8
)
: Int8
\ Pure
Returns the integer binary logarithm of x
.
If the given value is 0 or negative, 0 is returned.
def
logicalRightShift
(
dist :
{ dist = Int32 }
x :
Int8
)
: Int8
\ Pure
Returns the logical right shift of x
by distance
.
Only the rightmost 5 bits of distance
are considered (ie. distance rem 32
).
A zero is shifted into the leftmost position regardless of sign extension.
def
lowestOneBit
(
x :
Int8
)
: Int8
\ Pure
Returns a value with at most a single one-bit, in the position
of the highest-order/leftmost one-bit in x
.
Returns 0 if x=0.
def
lowestOneBitPosition
(
x :
Int8
)
: Int32
\ Pure
Returns the position of the lowest-order/rightmost one-bit in x
.
Possible return values: 0 (rightmost bit) - 7 (leftmost bit)
-1 if x = 0
def
max
(
x :
Int8
y :
Int8
)
: Int8
\ Pure
Returns the larger of x
and y
.
def
maxValue
: Int8
\ Pure
Returns the maximum number representable by an Int8
.
def
min
(
x :
Int8
y :
Int8
)
: Int8
\ Pure
Returns the smaller of x
and y
.
def
minValue
: Int8
\ Pure
Returns the minimum number representable by an Int8
.
def
mod
(
x :
Int8
n :
Int8
)
: Int8
\ Pure
Returns the Euclidean modulo of x
and n
.
The result is always non-negative.
def
numberOfLeadingZeros
(
x :
Int8
)
: Int32
\ Pure
Returns the number of zero bits preceding the
highest-order/leftmost one-bit in x
.
Returns 8 if x=0.
def
numberOfTrailingZeros
(
x :
Int8
)
: Int32
\ Pure
Returns the number of zero bits following the
lowest-order/rightmost one-bit in x
.
Returns 8 if x=0.
def
pow
(
b :
Int8
n :
Int8
)
: Int8
\ Pure
Returns b
raised to the power of n
.
def
rem
(
x :
Int8
n :
Int8
)
: Int8
\ Pure
Returns the remainder of x / n
.
The result can be negative.
See also Int8.mod
.
def
reverse
(
x :
Int8
)
: Int8
\ Pure
Returns the value obtained by reversing the bits in the
two's complement binary representation of x
.
def
rightShift
(
x :
Int8
y :
Int32
)
: Int8
\ Pure
Returns x
with the bits shifted right by y
places
def
rotateLeft
(
dist :
{ dist = Int32 }
x :
Int8
)
: Int8
\ Pure
Returns the the value obtained by rotating the two's complement
binary representation of x
left by distance
bits.
def
rotateRight
(
dist :
{ dist = Int32 }
x :
Int8
)
: Int8
\ Pure
Returns the the value obtained by rotating the two's complement
binary representation of x
right by distance
bits.
def
setBit
(
pos :
{ pos = Int32 }
x :
Int8
)
: Int8
\ Pure
Returns x
with the bit at position pos
set (to 1).
Considers the 5 rightmost bits of pos
(pos
mod 32).
The bits of x have positions: 0 (rightmost bit) - 7 (leftmost bit)
def
signum
(
x :
Int8
)
: Int32
\ Pure
Returns 1 if x > 0, -1 if x < 0, and 0 if x = 0. The sign of x.
def
size
: Int32
\ Pure
Returns the number of bits used to represent an Int8
.
def
toBigDecimal
(
x :
Int8
)
: BigDecimal
\ Pure
Convert x
to a BigDecimal.
The numeric value of x
is preserved exactly.
def
toBigInt
(
x :
Int8
)
: BigInt
\ Pure
Convert x
to a BigInt.
The numeric value of x
is preserved exactly.
def
toFloat32
(
x :
Int8
)
: Float32
\ Pure
Convert x
to a Float32.
The numeric value of x
is preserved exactly.
def
toFloat64
(
x :
Int8
)
: Float64
\ Pure
Convert x
to a Float64.
The numeric value of x
is preserved exactly.
def
toInt16
(
x :
Int8
)
: Int16
\ Pure
Convert x
to an Int16.
The numeric value of x
is preserved exactly.
def
toInt32
(
x :
Int8
)
: Int32
\ Pure
Convert x
to an Int32.
The numeric value of x
is preserved exactly.
def
toInt64
(
x :
Int8
)
: Int64
\ Pure
Convert x
to an Int64.
The numeric value of x
is preserved exactly.
def
toString
(
x :
Int8
)
: String
\ Pure
Return a string representation of x
.