pydicom.valuerep.DSdecimal¶
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class
pydicom.valuerep.
DSdecimal
(val)¶ Store value for an element with VR ‘DS’ as
decimal.Decimal
.Notes
If constructed from an empty string, returns the empty string, not an instance of this class.
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__init__
(val)¶ Store the original string if one given, for exact write-out of same value later. E.g. if set
'1.23e2'
,Decimal
would write'123'
, butDS
will use the original.
Methods
__init__
(val)Store the original string if one given, for exact write-out of same value later. adjusted
Return the adjusted exponent of the number. as_integer_ratio
()Return a pair of integers, whose ratio is exactly equal to the original Decimal and with a positive denominator. as_tuple
Return a tuple representation of the number. canonical
Return the canonical encoding of the argument. compare
Compare self to other. compare_signal
Identical to compare, except that all NaNs signal. compare_total
Compare two operands using their abstract representation rather than their numerical value. compare_total_mag
Compare two operands using their abstract representation rather than their value as in compare_total(), but ignoring the sign of each operand. conjugate
Return self. copy_abs
Return the absolute value of the argument. copy_negate
Return the negation of the argument. copy_sign
Return a copy of the first operand with the sign set to be the same as the sign of the second operand. exp
Return the value of the (natural) exponential function e**x at the given number. fma
Fused multiply-add. from_float
Class method that converts a float to a decimal number, exactly. is_canonical
Return True if the argument is canonical and False otherwise. is_finite
Return True if the argument is a finite number, and False if the argument is infinite or a NaN. is_infinite
Return True if the argument is either positive or negative infinity and False otherwise. is_nan
Return True if the argument is a (quiet or signaling) NaN and False otherwise. is_normal
Return True if the argument is a normal finite non-zero number with an adjusted exponent greater than or equal to Emin. is_qnan
Return True if the argument is a quiet NaN, and False otherwise. is_signed
Return True if the argument has a negative sign and False otherwise. is_snan
Return True if the argument is a signaling NaN and False otherwise. is_subnormal
Return True if the argument is subnormal, and False otherwise. is_zero
Return True if the argument is a (positive or negative) zero and False otherwise. ln
Return the natural (base e) logarithm of the operand. log10
Return the base ten logarithm of the operand. logb
For a non-zero number, return the adjusted exponent of the operand as a Decimal instance. logical_and
Return the digit-wise ‘and’ of the two (logical) operands. logical_invert
Return the digit-wise inversion of the (logical) operand. logical_or
Return the digit-wise ‘or’ of the two (logical) operands. logical_xor
Return the digit-wise ‘exclusive or’ of the two (logical) operands. max
Maximum of self and other. max_mag
Similar to the max() method, but the comparison is done using the absolute values of the operands. min
Minimum of self and other. min_mag
Similar to the min() method, but the comparison is done using the absolute values of the operands. next_minus
Return the largest number representable in the given context (or in the current default context if no context is given) that is smaller than the given operand. next_plus
Return the smallest number representable in the given context (or in the current default context if no context is given) that is larger than the given operand. next_toward
If the two operands are unequal, return the number closest to the first operand in the direction of the second operand. normalize
Normalize the number by stripping the rightmost trailing zeros and converting any result equal to Decimal(‘0’) to Decimal(‘0e0’). number_class
Return a string describing the class of the operand. quantize
Return a value equal to the first operand after rounding and having the exponent of the second operand. radix
Return Decimal(10), the radix (base) in which the Decimal class does all its arithmetic. remainder_near
Return the remainder from dividing self by other. rotate
Return the result of rotating the digits of the first operand by an amount specified by the second operand. same_quantum
Test whether self and other have the same exponent or whether both are NaN. scaleb
Return the first operand with the exponent adjusted the second. shift
Return the result of shifting the digits of the first operand by an amount specified by the second operand. sqrt
Return the square root of the argument to full precision. to_eng_string
Convert to an engineering-type string. to_integral
Identical to the to_integral_value() method. to_integral_exact
Round to the nearest integer, signaling Inexact or Rounded as appropriate if rounding occurs. to_integral_value
Round to the nearest integer without signaling Inexact or Rounded. Attributes
imag
original_string
real
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