Crate dec_number_sys

Rust bindings for The decNumber C library by IBM Fellow Mike Cowlishaw.

Structs

DecContext

Decimal context.

DecNumber

Arbitrary precision decimal number.

Constants

DEC_DOUBLE_BYTES

Length in bytes of DecDouble union.

DEC_DOUBLE_STRING

Maximum length of the DecDouble string.

DEC_DOUBLE_STRING_BUFFER

Buffer for DecDouble string.

DEC_DOUBLE_ZERO

Convenient constant for DecDouble equal to positive zero.

DEC_FLOAT_SIGN

Sign mask.

DEC_INF

Infinity mask: 1 = Infinity.

DEC_INIT_BASE

Initializes context to ANSI X3-274 defaults.

DEC_INIT_DECIMAL32

Initializes context to IEEE 754 defaults, 32-bit.

DEC_INIT_DECIMAL64

Initializes context to IEEE 754 defaults, 64-bit.

DEC_INIT_DECIMAL128

Initializes context to IEEE 754 defaults, 128-bit.

DEC_NAN

Not-a-Number mask: 1 = NaN.

DEC_NEG

Sign mask: 1 = negative, 0 = positive or zero.

DEC_NUMBER_BILLION

DecNumber value 1000000000 (billion).

DEC_NUMBER_HUNDRED

DecNumber value 100 (hundred).

DEC_NUMBER_MILLION

DecNumber value 1000000 (million).

DEC_NUMBER_ONE

DecNumber value 1 (one).

DEC_NUMBER_TEN

DecNumber value 10 (ten).

DEC_NUMBER_THOUSAND

DecNumber value 1000 (thousand).

DEC_NUMBER_TWO

DecNumber value 2 (two).

DEC_NUMBER_ZERO

DecNumber value 0 (zero).

DEC_QUAD_BILLION

DecQuad value 1000000000 (billion).

DEC_QUAD_BYTES

Length in bytes of the DecQuad union.

DEC_QUAD_HUNDRED

DecQuad value 100 (hundred).

DEC_QUAD_MILLION

DecQuad value 1000000 (million).

DEC_QUAD_ONE

DecQuad value 1 (one).

DEC_QUAD_PMAX

Maximum precision (digits) for 128-bit decimals.

DEC_QUAD_STRING

Maximum length of the DecQuad string.

DEC_QUAD_STRING_BUFFER

DecQuad string buffer.

DEC_QUAD_TEN

DecQuad value 10 (ten).

DEC_QUAD_THOUSAND

DecQuad value 1000 (thousand).

DEC_QUAD_TWO

DecQuad value 2 (two).

DEC_QUAD_ZERO

DecQuad value 0 (zero).

DEC_ROUND_05UP

Round for re-round.

DEC_ROUND_CEILING

Round towards +Infinity.

DEC_ROUND_DOWN

Round towards 0 (truncate).

DEC_ROUND_FLOOR

Round towards -Infinity.

DEC_ROUND_HALF_DOWN

0.5 rounds down.

DEC_ROUND_HALF_EVEN

0.5 rounds to nearest even.

DEC_ROUND_HALF_UP

0.5 rounds up.

DEC_ROUND_UP

Round away from 0.

DEC_SINGLE_BYTES

Length in bytes of DecSingle union.

DEC_SINGLE_STRING

Maximum length of the DecSingle string.

DEC_SINGLE_STRING_BUFFER

Buffer for DecSingle string.

DEC_SINGLE_ZERO

Convenient constant for DecSingle equal to positive zero.

DEC_SNAN

Signalling Not-a-Number mask: 1 = sNaN.

DEC_SPECIAL

Special value mask: 1 = special (Infinity, NaN or sNaN).

Functions

bcd

Converts unsigned integer into BCD representation.

bcd_quad

Converts unsigned integer into BCD representation with maximum digits that fit into DecQuad.

decContextDefault^⚠

Unsafe binding to decContextDefault function.

decContextGetStatus^⚠

Unsafe binding to decContextGetStatus function.

decContextStatusToString^⚠

Unsafe binding to decContextStatusToString function.

decContextZeroStatus^⚠

Unsafe binding to decContextZeroStatus function.

decDoubleAdd^⚠

Unsafe binding to decDoubleAdd function.

decDoubleFromString^⚠

Unsafe binding to decDoubleFromString function.

decDoubleToString^⚠

Unsafe binding to decDoubleToString function.

decDoubleZero^⚠

Unsafe binding to decDoubleZero function.

decNumberAdd^⚠

Unsafe binding to decNumberAdd function.

decNumberCompare^⚠

Unsafe binding to decNumberCompare function.

decNumberDivide^⚠

Unsafe binding to decNumberDivide function.

decNumberExp^⚠

Unsafe binding to decNumberExp function.

decNumberFromInt32^⚠

Unsafe binding to decNumberFromInt32 function.

decNumberFromString^⚠

Unsafe binding to decNumberFromString function.

decNumberFromUInt32^⚠

Unsafe binding to decNumberFromUInt32 function.

decNumberLn^⚠

Unsafe binding to decNumberLn function.

decNumberMinus^⚠

Unsafe binding to decNumberMinus function.

decNumberMultiply^⚠

Unsafe binding to decNumberMultiply function.

decNumberPlus^⚠

Unsafe binding to decNumberPlus function.

decNumberPower^⚠

Unsafe binding to decNumberPower function.

decNumberQuantize^⚠

Unsafe binding to decNumberQuantize function.

decNumberReduce^⚠

Unsafe binding to decNumberReduce function.

decNumberRescale^⚠

Unsafe binding to decNumberRescale function.

decNumberScaleB^⚠

Unsafe binding to decNumberScaleB function.

decNumberSetBCD^⚠

Unsafe binding to decNumberSetBCD function.

decNumberSquareRoot^⚠

Unsafe binding to decNumberSquareRoot function.

decNumberSubtract^⚠

Unsafe binding to decNumberSubtract function.

decNumberToString^⚠

Unsafe binding to decNumberToString function.

decNumberZero^⚠

Unsafe binding to decNumberZero function.

decQuadAbs^⚠

Unsafe binding to decQuadAbs function.

decQuadAdd^⚠

Unsafe binding to decQuadAdd function.

decQuadAnd^⚠

Unsafe binding to decQuadAnd function.

decQuadCanonical^⚠

Unsafe binding to decDoubleCanonical function.

decQuadCompare^⚠

Unsafe binding to decQuadCompare function.

decQuadCompareSignal^⚠

Unsafe binding to decQuadCompareSignal function.

decQuadCompareTotal^⚠

Unsafe binding to decQuadCompareTotal function.

decQuadCompareTotalMag^⚠

Unsafe binding to decQuadCompareTotalMag function.

decQuadCopy^⚠

Unsafe binding to decQuadCopy function.

decQuadCopyAbs^⚠

Unsafe binding to decQuadCopyAbs function.

decQuadCopyNegate^⚠

Unsafe binding to decQuadCopyNegate function.

decQuadCopySign^⚠

Unsafe binding to decQuadCopySign function.

decQuadDigits^⚠

Unsafe binding to decQuadDigits function.

decQuadDivide^⚠

Unsafe binding to decQuadDivide function.

decQuadDivideInteger^⚠

Unsafe binding to decQuadDivideInteger function.

decQuadFMA^⚠

Unsafe binding to decQuadFMA function.

decQuadFromBCD^⚠

Unsafe binding to decQuadFromBCD function.

decQuadFromInt32^⚠

Unsafe binding to decQuadFromInt32 function.

decQuadFromString^⚠

Unsafe binding to decQuadFromString function.

decQuadFromUInt32^⚠

Unsafe binding to decQuadFromUInt32 function.

decQuadFromWider^⚠

Unsafe binding to decQuadFromWider function.

decQuadGetCoefficient^⚠

Unsafe binding to decQuadGetCoefficient function.

decQuadGetExponent^⚠

Unsafe binding to decQuadGetExponent function.

decQuadInvert^⚠

Unsafe binding to decQuadInvert function.

decQuadIsCanonical^⚠

Unsafe binding to decQuadIsCanonical function.

decQuadIsFinite^⚠

Unsafe binding to decQuadIsFinite function.

decQuadIsInfinite^⚠

Unsafe binding to decQuadIsInfinite function.

decQuadIsInteger^⚠

Unsafe binding to decQuadIsInteger function.

decQuadIsLogical^⚠

Unsafe binding to decQuadIsLogical function.

decQuadIsNaN^⚠

Unsafe binding to decQuadIsNaN function.

decQuadIsNegative^⚠

Unsafe binding to decQuadIsNegative function.

decQuadIsNormal^⚠

Unsafe binding to decQuadIsNormal function.

decQuadIsPositive^⚠

Unsafe binding to decQuadIsPositive function.

decQuadIsSignaling^⚠

Unsafe binding to decQuadIsSignaling function.

decQuadIsSignalling^⚠

Unsafe binding to decQuadIsSignalling function.

decQuadIsZero^⚠

Unsafe binding to decQuadIsZero function.

decQuadMinus^⚠

Unsafe binding to decQuadMinus function.

decQuadMultiply^⚠

Unsafe binding to decQuadMultiply function.

decQuadPlus^⚠

Unsafe binding to decQuadPlus function.

decQuadQuantize^⚠

Unsafe binding to decQuadQuantize function.

decQuadReduce^⚠

Unsafe binding to decQuadReduce function.

decQuadRemainder^⚠

Unsafe binding to decQuadRemainder function.

decQuadScaleB^⚠

Unsafe binding to decQuadScaleB function.

decQuadSubtract^⚠

Unsafe binding to decQuadSubtract function.

decQuadToInt32^⚠

Unsafe binding to decQuadToInt32 function.

decQuadToIntegralValue^⚠

Unsafe binding to decQuadToIntegralValue function.

decQuadToString^⚠

Unsafe binding to decQuadToString function.

decQuadToUInt32^⚠

Unsafe binding to decQuadToUInt32 function.

decQuadZero^⚠

Unsafe binding to decQuadZero function.

decSingleFromString^⚠

Unsafe binding to decSingleFromString function.

decSingleFromWider^⚠

Unsafe binding to decSingleFromWider function.

decSingleToString^⚠

Unsafe binding to decSingleToString function.

decSingleToWider^⚠

Unsafe binding to decSingleToWider function.

decSingleZero^⚠

Unsafe binding to decSingleZero function.

dec_context_32

Returns decimal context initialized for 32-bit decimals.

dec_context_64

Returns decimal context initialized for 64-bit decimals.

dec_context_128

Returns decimal context initialized for 128-bit decimals.

dec_context_base

Returns decimal context initialized with maximum specified number of digits.

dec_context_default

Safe binding to decContextDefault function.

dec_context_get_status

Safe binding to decContextGetStatus function.

dec_context_status_to_string

Safe binding to decContextStatusToString function.

dec_context_zero_status

Safe binding to decContextZeroStatus function.

dec_double_add

Safe binding to decDoubleAdd function.

dec_double_from_string

Safe binding to decDoubleFromString function.

dec_double_to_string

Safe binding to decDoubleToString function.

dec_double_zero

Safe binding to decDoubleZero function.

dec_number_add

Safe binding to decNumberAdd function.

dec_number_compare

Safe binding to decNumberCompare function.

dec_number_divide

Safe binding to decNumberDivide function.

dec_number_exp

Safe binding to decNumberExp function.

dec_number_from_i32

Safe binding to decNumberFromInt32 function.

dec_number_from_string

Safe binding to decNumberFromString function.

dec_number_from_u32

Safe binding to decNumberFromUInt32 function.

dec_number_is_negative

Safe binding to decNumberIsNegative function.

dec_number_is_zero

Safe binding to decNumberIsZero function.

dec_number_ln

Safe binding to decNumberLn function.

dec_number_minus

Safe binding to decNumberMinus function.

dec_number_multiply

Safe binding to decNumberMultiply function.

dec_number_plus

Safe binding to decNumberPlus function.

dec_number_power

Safe binding to decNumberPower function.

dec_number_quantize

Safe binding to decNumberQuantize function.

dec_number_reduce

Safe binding to decNumberReduce function.

dec_number_rescale

Safe binding to decNumberRescale function.

dec_number_scale_b

Safe binding to decNumberScaleB function.

dec_number_square_root

Safe binding to decNumberSquareRoot function.

dec_number_subtract

Safe binding to decNumberSubtract function.

dec_number_to_string

Safe binding to decNumberToString function.

dec_number_zero

Safe binding to decNumberZero function.

dec_quad_abs

Safe binding to decQuadAbs function.

dec_quad_add

Safe binding to decQuadAdd function.

dec_quad_and

Safe binding to decQuadAnd function.

dec_quad_canonical

Safe binding to decQuadCanonical function.

dec_quad_compare

Safe binding to decQuadCompare function.

dec_quad_compare_signal

Safe binding to decQuadCompareSignal function.

dec_quad_compare_total

Safe binding to decQuadCompareTotal function.

dec_quad_compare_total_mag

Safe binding to decQuadCompareTotalMag function.

dec_quad_copy

Safe binding to decQuadCopy function.

dec_quad_copy_abs

Safe binding to decQuadCopyAbs function.

dec_quad_copy_negate

Safe binding to decQuadCopyNegate function.

dec_quad_copy_sign

Safe binding to decQuadCopySign function.

dec_quad_digits

Safe binding to decQuadDigits function.

dec_quad_divide

Safe binding to decQuadDivide function.

dec_quad_divide_integer

Safe binding to decQuadDivideInteger function.

dec_quad_fma

Safe binding to decQuadFMA function.

dec_quad_from_bcd

Safe binding to decQuadFromBCD function.

dec_quad_from_i32

Safe binding to decQuadFromInt32 function.

dec_quad_from_string

Safe binding to decQuadFromString function.

dec_quad_from_u32

Safe binding to decQuadFromUInt32 function.

dec_quad_from_wider

Safe binding to decQuadFromWider function.

dec_quad_get_coefficient

Safe binding to decQuadGetCoefficient function.

dec_quad_get_exponent

Safe binding to decQuadGetExponent function.

dec_quad_invert

Safe binding to decQuadInvert function.

dec_quad_is_canonical

Safe binding to decQuadIsCanonical function.

dec_quad_is_finite

Safe binding to decQuadIsFinite function.

dec_quad_is_infinite

Safe binding to decQuadIsInfinite function.

dec_quad_is_integer

Safe binding to decQuadIsInteger function.

dec_quad_is_logical

Safe binding to decQuadIsLogical function.

dec_quad_is_nan

Safe binding to decQuadIsNaN function.

dec_quad_is_negative

Safe binding to decQuadIsNegative function.

dec_quad_is_normal

Safe binding to decQuadIsNormal function.

dec_quad_is_positive

Safe binding to decQuadIsPositive function.

dec_quad_is_signaling

Safe binding to decQuadIsSignaling function.

dec_quad_is_signalling

Safe binding to decQuadIsSignalling function.

dec_quad_is_zero

Safe binding to decQuadIsZero function.

dec_quad_minus

Safe binding to decQuadMinus function.

dec_quad_multiply

Safe binding to decQuadMultiply function.

dec_quad_plus

Safe binding to decQuadPlus function.

dec_quad_quantize

Safe binding to decQuadQuantize function.

dec_quad_reduce

Safe binding to decQuadReduce function.

dec_quad_remainder

Safe binding to decQuadRemainder function.

dec_quad_scale_b

Safe binding to decQuadScaleB function.

dec_quad_subtract

Safe binding to decQuadSubtract function.

dec_quad_to_int32

Safe binding to decQuadToInt32 function.

dec_quad_to_integral_value

Safe binding to decQuadToIntegralValue function.

dec_quad_to_string

Safe binding to decQuadToString function.

dec_quad_to_uint32

Safe binding to decQuadToUInt32 function.

dec_quad_zero

Safe binding to decQuadZero function.

dec_single_from_string

Safe binding to decSingleFromString function.

dec_single_to_string

Safe binding to decSingleToString function.

dec_single_zero

Safe binding to decSingleZero function.

decimal32FromNumber^⚠

Unsafe binding to decimal32FromNumber function.

decimal32ToNumber^⚠

Unsafe binding to decimal32ToNumber function.

decimal32_from_number

Safe binding to decimal32FromNumber function.

decimal32_to_number

Safe binding to decimal32ToNumber function.

decimal64FromNumber^⚠

Unsafe binding to decimal64FromNumber function.

decimal64ToNumber^⚠

Unsafe binding to decimal64ToNumber function.

decimal64_from_number

Safe binding to decimal64FromNumber function.

decimal64_to_number

Safe binding to decimal64ToNumber function.

decimal128FromNumber^⚠

Unsafe binding to decimal128FromNumber function.

decimal128ToNumber^⚠

Unsafe binding to decimal128ToNumber function.

decimal128_from_number

Safe binding to decimal128FromNumber function.

decimal128_to_number

Safe binding to decimal128ToNumber function.

Unions

DecDouble

64-bit decimal number.

DecQuad

128-bit decimal number.

DecSingle

32-bit decimal number.