ida_ieee

IEEE floating point functions.

Attributes

`SWIG_PYTHON_LEGACY_BOOL`
`FPVAL_NWORDS`	number of words in fpvalue_t
`FPV_BADARG`	wrong value of max_exp
`FPV_NORM`	regular value
`FPV_NAN`	NaN.
`FPV_PINF`	positive infinity
`FPV_NINF`	negative infinity
`REAL_ERROR_OK`	no error
`REAL_ERROR_FORMAT`	realcvt: not supported format for current .idp
`REAL_ERROR_RANGE`	realcvt: number too big (small) for store (mem NOT modified)
`REAL_ERROR_BADDATA`	realcvt: illegal real data for load (IEEE data not filled)
`REAL_ERROR_FPOVER`	floating overflow or underflow
`REAL_ERROR_BADSTR`	asctoreal: illegal input string
`REAL_ERROR_ZERODIV`	ediv: divide by 0
`REAL_ERROR_INTOVER`	eetol*: integer overflow
`cvar`
`MAXEXP_FLOAT`
`MAXEXP_DOUBLE`
`MAXEXP_LNGDBL`
`IEEE_EXONE`	The exponent of 1.0.
`E_SPECIAL_EXP`	Exponent in fpvalue_t for NaN and Inf.
`IEEE_NI`	Number of 16 bit words in eNI.
`IEEE_E`	Array offset to exponent.
`IEEE_M`	Array offset to high guard word
`EZERO`
`EONE`
`ETWO`

Classes

`fpvalue_shorts_array_t`
`fpvalue_t`

Functions

ecleaz(→ None)

Module Contents

ida_ieee.SWIG_PYTHON_LEGACY_BOOL

class ida_ieee.fpvalue_shorts_array_t(data: unsigned short (&)[FPVAL_NWORDS])

Bases: object

thisown

data: unsigned short (&)[FPVAL_NWORDS]

bytes

ida_ieee.FPVAL_NWORDS: number of words in fpvalue_t

ida_ieee.FPV_BADARG: wrong value of max_exp

ida_ieee.FPV_NORM: regular value

ida_ieee.FPV_NAN: NaN.

ida_ieee.FPV_PINF: positive infinity

ida_ieee.FPV_NINF: negative infinity

ida_ieee.REAL_ERROR_OK: no error

ida_ieee.REAL_ERROR_FORMAT: realcvt: not supported format for current .idp

ida_ieee.REAL_ERROR_RANGE: realcvt: number too big (small) for store (mem NOT modified)

ida_ieee.REAL_ERROR_BADDATA: realcvt: illegal real data for load (IEEE data not filled)

ida_ieee.REAL_ERROR_FPOVER: floating overflow or underflow

ida_ieee.REAL_ERROR_BADSTR: asctoreal: illegal input string

ida_ieee.REAL_ERROR_ZERODIV: ediv: divide by 0

ida_ieee.REAL_ERROR_INTOVER: eetol*: integer overflow

class ida_ieee.fpvalue_t(*args)

Bases: object

thisown

w: uint16[8]

clear() → None

compare(r: fpvalue_t) → int

from_10bytes(fpval: void const *) → fpvalue_error_t: Conversions for 10-byte floating point values.

to_10bytes(fpval: void *) → fpvalue_error_t

from_12bytes(fpval: void const *) → fpvalue_error_t: Conversions for 12-byte floating point values.

to_12bytes(fpval: void *) → fpvalue_error_t

to_str(*args) → None

Convert IEEE to string.

Parameters:

buf – the output buffer
bufsize – the size of the output buffer
mode – broken down into:

low byte: number of digits after ‘.’
second byte: FPNUM_LENGTH
third byte: FPNUM_DIGITS

from_sval(x: int) → None: Convert integer to IEEE.

from_int64(x: int64) → None

from_uint64(x: uint64) → None

to_sval(round: bool = False) → fpvalue_error_t: Convert IEEE to integer (+-0.5 if round)

to_int64(round: bool = False) → fpvalue_error_t

to_uint64(round: bool = False) → fpvalue_error_t

fadd(y: fpvalue_t) → fpvalue_error_t: Arithmetic operations.

fsub(y: fpvalue_t) → fpvalue_error_t

fmul(y: fpvalue_t) → fpvalue_error_t

fdiv(y: fpvalue_t) → fpvalue_error_t

mul_pow2(power_of_2: int) → fpvalue_error_t: Multiply by a power of 2.

eabs() → None: Calculate absolute value.

is_negative() → bool: Is negative value?

negate() → None: Negate.

get_kind() → fpvalue_kind_t: Get value kind.

copy() → fpvalue_t

static new_from_str(p: str) → fpvalue_t

from_str(p: str) → fpvalue_error_t: Convert string to IEEE.

assign(r: fpvalue_t) → None

bytes

shorts

float

property sval

property int64

property uint64

ida_ieee.cvar

ida_ieee.MAXEXP_FLOAT

ida_ieee.MAXEXP_DOUBLE

ida_ieee.MAXEXP_LNGDBL

ida_ieee.IEEE_EXONE: The exponent of 1.0.

ida_ieee.E_SPECIAL_EXP: Exponent in fpvalue_t for NaN and Inf.

ida_ieee.IEEE_NI: Number of 16 bit words in eNI.

ida_ieee.IEEE_E: Array offset to exponent.

ida_ieee.IEEE_M: Array offset to high guard word

ida_ieee.ecleaz(x: eNI) → None

ida_ieee.EZERO = b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'

ida_ieee.EONE = b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff?'

ida_ieee.ETWO = b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00@'