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ccxt_with_mt5/ccxt/test/base/test_number.py
lz_db 0fab423a18 add
2025-11-16 12:31:03 +08:00

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import os
import sys
root = os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
sys.path.append(root)
# ----------------------------------------------------------------------------
# PLEASE DO NOT EDIT THIS FILE, IT IS GENERATED AND WILL BE OVERWRITTEN:
# https://github.com/ccxt/ccxt/blob/master/CONTRIBUTING.md#how-to-contribute-code
# ----------------------------------------------------------------------------
# -*- coding: utf-8 -*-
from ccxt.base.decimal_to_precision import DECIMAL_PLACES # noqa E402
from ccxt.base.decimal_to_precision import TICK_SIZE # noqa E402
from ccxt.base.decimal_to_precision import NO_PADDING # noqa E402
from ccxt.base.decimal_to_precision import TRUNCATE # noqa E402
from ccxt.base.decimal_to_precision import ROUND # noqa E402
from ccxt.base.decimal_to_precision import SIGNIFICANT_DIGITS # noqa E402
from ccxt.base.decimal_to_precision import PAD_WITH_ZERO # noqa E402
from ccxt.base.decimal_to_precision import decimal_to_precision # noqa E402
from ccxt.base.decimal_to_precision import number_to_string # noqa E402
import ccxt # noqa: F402
from ccxt.base.precise import Precise # noqa E402
def test_number():
exchange = ccxt.Exchange({
'id': 'regirock',
})
# ----------------------------------------------------------------------------
# numberToString
assert exchange.number_to_string(-7.8e-7) == '-0.00000078'
assert exchange.number_to_string(7.8e-7) == '0.00000078'
assert exchange.number_to_string(-0.0000017805) == '-0.0000017805'
assert exchange.number_to_string(0.0000017805) == '0.0000017805'
assert exchange.number_to_string(-7.0005e+27) == '-7000500000000000000000000000'
assert exchange.number_to_string(7.0005e+27) == '7000500000000000000000000000'
assert exchange.number_to_string(-7.9e+27) == '-7900000000000000000000000000'
assert exchange.number_to_string(7e+27) == '7000000000000000000000000000'
assert exchange.number_to_string(7.9e+27) == '7900000000000000000000000000'
assert exchange.number_to_string(-12.345) == '-12.345'
assert exchange.number_to_string(12.345) == '12.345'
assert exchange.number_to_string(0) == '0'
assert exchange.number_to_string(7.35946e+21) == '7359460000000000000000'
assert exchange.number_to_string(1e-8) == '0.00000001'
assert exchange.number_to_string(1e-7) == '0.0000001'
assert exchange.number_to_string(-1e-7) == '-0.0000001'
# ----------------------------------------------------------------------------
# testDecimalToPrecisionTruncationToNDigitsAfterDot
assert exchange.decimal_to_precision('12.3456000', TRUNCATE, 100, DECIMAL_PLACES) == '12.3456'
assert exchange.decimal_to_precision('12.3456', TRUNCATE, 100, DECIMAL_PLACES) == '12.3456'
assert exchange.decimal_to_precision('12.3456', TRUNCATE, 4, DECIMAL_PLACES) == '12.3456'
assert exchange.decimal_to_precision('12.3456', TRUNCATE, 3, DECIMAL_PLACES) == '12.345'
assert exchange.decimal_to_precision('12.3456', TRUNCATE, 2, DECIMAL_PLACES) == '12.34'
assert exchange.decimal_to_precision('12.3456', TRUNCATE, 1, DECIMAL_PLACES) == '12.3'
assert exchange.decimal_to_precision('12.3456', TRUNCATE, 0, DECIMAL_PLACES) == '12'
# ['12.3456', TRUNCATE, -1, DECIMAL_PLACES, '10'], # not yet supported
# ['123.456', TRUNCATE, -2, DECIMAL_PLACES, '120'], # not yet supported
# ['123.456', TRUNCATE, -3, DECIMAL_PLACES, '100'], # not yet supported
assert exchange.decimal_to_precision('0.0000001', TRUNCATE, 8, DECIMAL_PLACES) == '0.0000001'
assert exchange.decimal_to_precision('0.00000001', TRUNCATE, 8, DECIMAL_PLACES) == '0.00000001'
assert exchange.decimal_to_precision('0.000000000', TRUNCATE, 9, DECIMAL_PLACES, PAD_WITH_ZERO) == '0.000000000'
assert exchange.decimal_to_precision('0.000000001', TRUNCATE, 9, DECIMAL_PLACES, PAD_WITH_ZERO) == '0.000000001'
assert exchange.decimal_to_precision('12.3456', TRUNCATE, -1, DECIMAL_PLACES) == '10'
assert exchange.decimal_to_precision('123.456', TRUNCATE, -1, DECIMAL_PLACES) == '120'
assert exchange.decimal_to_precision('123.456', TRUNCATE, -2, DECIMAL_PLACES) == '100'
assert exchange.decimal_to_precision('9.99999', TRUNCATE, -1, DECIMAL_PLACES) == '0'
assert exchange.decimal_to_precision('99.9999', TRUNCATE, -1, DECIMAL_PLACES) == '90'
assert exchange.decimal_to_precision('99.9999', TRUNCATE, -2, DECIMAL_PLACES) == '0'
assert exchange.decimal_to_precision('0', TRUNCATE, 0, DECIMAL_PLACES) == '0'
assert exchange.decimal_to_precision('-0.9', TRUNCATE, 0, DECIMAL_PLACES) == '0'
# ----------------------------------------------------------------------------
# testDecimalToPrecisionTruncationToNSignificantDigits
assert exchange.decimal_to_precision('0.000123456700', TRUNCATE, 100, SIGNIFICANT_DIGITS) == '0.0001234567'
assert exchange.decimal_to_precision('0.0001234567', TRUNCATE, 100, SIGNIFICANT_DIGITS) == '0.0001234567'
assert exchange.decimal_to_precision('0.0001234567', TRUNCATE, 7, SIGNIFICANT_DIGITS) == '0.0001234567'
assert exchange.decimal_to_precision('0.000123456', TRUNCATE, 6, SIGNIFICANT_DIGITS) == '0.000123456'
assert exchange.decimal_to_precision('0.000123456', TRUNCATE, 5, SIGNIFICANT_DIGITS) == '0.00012345'
assert exchange.decimal_to_precision('0.000123456', TRUNCATE, 2, SIGNIFICANT_DIGITS) == '0.00012'
assert exchange.decimal_to_precision('0.000123456', TRUNCATE, 1, SIGNIFICANT_DIGITS) == '0.0001'
assert exchange.decimal_to_precision('123.0000987654', TRUNCATE, 10, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '123.0000987'
assert exchange.decimal_to_precision('123.0000987654', TRUNCATE, 8, SIGNIFICANT_DIGITS) == '123.00009'
assert exchange.decimal_to_precision('123.0000987654', TRUNCATE, 7, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '123.0000'
assert exchange.decimal_to_precision('123.0000987654', TRUNCATE, 6, SIGNIFICANT_DIGITS) == '123'
assert exchange.decimal_to_precision('123.0000987654', TRUNCATE, 5, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '123.00'
assert exchange.decimal_to_precision('123.0000987654', TRUNCATE, 4, SIGNIFICANT_DIGITS) == '123'
assert exchange.decimal_to_precision('123.0000987654', TRUNCATE, 4, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '123.0'
assert exchange.decimal_to_precision('123.0000987654', TRUNCATE, 3, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '123'
assert exchange.decimal_to_precision('123.0000987654', TRUNCATE, 2, SIGNIFICANT_DIGITS) == '120'
assert exchange.decimal_to_precision('123.0000987654', TRUNCATE, 1, SIGNIFICANT_DIGITS) == '100'
assert exchange.decimal_to_precision('123.0000987654', TRUNCATE, 1, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '100'
assert exchange.decimal_to_precision('1234', TRUNCATE, 5, SIGNIFICANT_DIGITS) == '1234'
assert exchange.decimal_to_precision('1234', TRUNCATE, 5, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '1234.0'
assert exchange.decimal_to_precision('1234', TRUNCATE, 4, SIGNIFICANT_DIGITS) == '1234'
assert exchange.decimal_to_precision('1234', TRUNCATE, 4, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '1234'
assert exchange.decimal_to_precision('1234.69', TRUNCATE, 0, SIGNIFICANT_DIGITS) == '0'
assert exchange.decimal_to_precision('1234.69', TRUNCATE, 0, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '0'
# ----------------------------------------------------------------------------
# testDecimalToPrecisionRoundingToNDigitsAfterDot
assert exchange.decimal_to_precision('12.3456000', ROUND, 100, DECIMAL_PLACES) == '12.3456'
assert exchange.decimal_to_precision('12.3456', ROUND, 100, DECIMAL_PLACES) == '12.3456'
assert exchange.decimal_to_precision('12.3456', ROUND, 4, DECIMAL_PLACES) == '12.3456'
assert exchange.decimal_to_precision('12.3456', ROUND, 3, DECIMAL_PLACES) == '12.346'
assert exchange.decimal_to_precision('12.3456', ROUND, 2, DECIMAL_PLACES) == '12.35'
assert exchange.decimal_to_precision('12.3456', ROUND, 1, DECIMAL_PLACES) == '12.3'
assert exchange.decimal_to_precision('12.3456', ROUND, 0, DECIMAL_PLACES) == '12'
# todo:
# ['9.999', ROUND, 3, DECIMAL_PLACES, NO_PADDING, '9.999'],
# ['9.999', ROUND, 2, DECIMAL_PLACES, NO_PADDING, '10'],
# ['9.999', ROUND, 2, DECIMAL_PLACES, PAD_WITH_ZERO, '10.00'],
# ['99.999', ROUND, 2, DECIMAL_PLACES, PAD_WITH_ZERO, '100.00'],
# ['-99.999', ROUND, 2, DECIMAL_PLACES, PAD_WITH_ZERO, '-100.00'],
# ['12.3456', ROUND, -1, DECIMAL_PLACES, NO_PADDING, '10'], # not yet supported
# ['123.456', ROUND, -1, DECIMAL_PLACES, NO_PADDING, '120'], # not yet supported
# ['123.456', ROUND, -2, DECIMAL_PLACES, NO_PADDING, '100'], # not yet supported
# a problematic case in PHP
assert exchange.decimal_to_precision('10000', ROUND, 6, DECIMAL_PLACES) == '10000'
assert exchange.decimal_to_precision('0.00003186', ROUND, 8, DECIMAL_PLACES) == '0.00003186'
assert exchange.decimal_to_precision('12.3456', ROUND, -1, DECIMAL_PLACES) == '10'
assert exchange.decimal_to_precision('123.456', ROUND, -1, DECIMAL_PLACES) == '120'
assert exchange.decimal_to_precision('123.456', ROUND, -2, DECIMAL_PLACES) == '100'
assert exchange.decimal_to_precision('9.99999', ROUND, -1, DECIMAL_PLACES) == '10'
assert exchange.decimal_to_precision('99.9999', ROUND, -1, DECIMAL_PLACES) == '100'
assert exchange.decimal_to_precision('99.9999', ROUND, -2, DECIMAL_PLACES) == '100'
assert exchange.decimal_to_precision('9.999', ROUND, 3, DECIMAL_PLACES) == '9.999'
assert exchange.decimal_to_precision('9.999', ROUND, 2, DECIMAL_PLACES) == '10'
assert exchange.decimal_to_precision('9.999', ROUND, 2, DECIMAL_PLACES, PAD_WITH_ZERO) == '10.00'
assert exchange.decimal_to_precision('99.999', ROUND, 2, DECIMAL_PLACES, PAD_WITH_ZERO) == '100.00'
assert exchange.decimal_to_precision('-99.999', ROUND, 2, DECIMAL_PLACES, PAD_WITH_ZERO) == '-100.00'
# ----------------------------------------------------------------------------
# testDecimalToPrecisionRoundingToNSignificantDigits
assert exchange.decimal_to_precision('0.000123456700', ROUND, 100, SIGNIFICANT_DIGITS) == '0.0001234567'
assert exchange.decimal_to_precision('0.0001234567', ROUND, 100, SIGNIFICANT_DIGITS) == '0.0001234567'
assert exchange.decimal_to_precision('0.0001234567', ROUND, 7, SIGNIFICANT_DIGITS) == '0.0001234567'
assert exchange.decimal_to_precision('0.000123456', ROUND, 6, SIGNIFICANT_DIGITS) == '0.000123456'
assert exchange.decimal_to_precision('0.000123456', ROUND, 5, SIGNIFICANT_DIGITS) == '0.00012346'
assert exchange.decimal_to_precision('0.000123456', ROUND, 4, SIGNIFICANT_DIGITS) == '0.0001235'
assert exchange.decimal_to_precision('0.00012', ROUND, 2, SIGNIFICANT_DIGITS) == '0.00012'
assert exchange.decimal_to_precision('0.0001', ROUND, 1, SIGNIFICANT_DIGITS) == '0.0001'
assert exchange.decimal_to_precision('123.0000987654', ROUND, 7, SIGNIFICANT_DIGITS) == '123.0001'
assert exchange.decimal_to_precision('123.0000987654', ROUND, 6, SIGNIFICANT_DIGITS) == '123'
assert exchange.decimal_to_precision('0.00098765', ROUND, 2, SIGNIFICANT_DIGITS) == '0.00099'
assert exchange.decimal_to_precision('0.00098765', ROUND, 2, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '0.00099'
assert exchange.decimal_to_precision('0.00098765', ROUND, 1, SIGNIFICANT_DIGITS) == '0.001'
assert exchange.decimal_to_precision('0.00098765', ROUND, 10, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '0.0009876500000'
assert exchange.decimal_to_precision('0.098765', ROUND, 1, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '0.1'
assert exchange.decimal_to_precision('0', ROUND, 0, SIGNIFICANT_DIGITS) == '0'
assert exchange.decimal_to_precision('-0.123', ROUND, 0, SIGNIFICANT_DIGITS) == '0'
assert exchange.decimal_to_precision('0.00000044', ROUND, 5, SIGNIFICANT_DIGITS) == '0.00000044'
# ----------------------------------------------------------------------------
# testDecimalToPrecisionRoundingToTickSize
assert exchange.decimal_to_precision('0.000123456700', ROUND, 0.00012, TICK_SIZE) == '0.00012'
assert exchange.decimal_to_precision('0.0001234567', ROUND, 0.00013, TICK_SIZE) == '0.00013'
assert exchange.decimal_to_precision('0.0001234567', TRUNCATE, 0.00013, TICK_SIZE) == '0'
assert exchange.decimal_to_precision('101.000123456700', ROUND, 100, TICK_SIZE) == '100'
assert exchange.decimal_to_precision('0.000123456700', ROUND, 100, TICK_SIZE) == '0'
assert exchange.decimal_to_precision('165', TRUNCATE, 110, TICK_SIZE) == '110'
assert exchange.decimal_to_precision('3210', TRUNCATE, 1110, TICK_SIZE) == '2220'
assert exchange.decimal_to_precision('165', ROUND, 110, TICK_SIZE) == '220'
assert exchange.decimal_to_precision('0.000123456789', ROUND, 1.2e-7, TICK_SIZE) == '0.00012348'
assert exchange.decimal_to_precision('0.000123456789', TRUNCATE, 1.2e-7, TICK_SIZE) == '0.00012336'
assert exchange.decimal_to_precision('0.000273398', ROUND, 1e-7, TICK_SIZE) == '0.0002734'
assert exchange.decimal_to_precision('0.00005714', TRUNCATE, 1e-8, TICK_SIZE) == '0.00005714'
# this line causes problems in JS, fix with Precise
# assert (exchange.decimalToPrecision ('0.0000571495257361', TRUNCATE, 0.00000001, TICK_SIZE) === '0.00005714');
assert exchange.decimal_to_precision('0.01', ROUND, 0.0001, TICK_SIZE, PAD_WITH_ZERO) == '0.0100'
assert exchange.decimal_to_precision('0.01', TRUNCATE, 0.0001, TICK_SIZE, PAD_WITH_ZERO) == '0.0100'
assert exchange.decimal_to_precision('-0.000123456789', ROUND, 1.2e-7, TICK_SIZE) == '-0.00012348'
assert exchange.decimal_to_precision('-0.000123456789', TRUNCATE, 1.2e-7, TICK_SIZE) == '-0.00012336'
assert exchange.decimal_to_precision('-165', TRUNCATE, 110, TICK_SIZE) == '-110'
assert exchange.decimal_to_precision('-165', ROUND, 110, TICK_SIZE) == '-220'
assert exchange.decimal_to_precision('-1650', TRUNCATE, 1100, TICK_SIZE) == '-1100'
assert exchange.decimal_to_precision('-1650', ROUND, 1100, TICK_SIZE) == '-2200'
assert exchange.decimal_to_precision('0.0006', TRUNCATE, 0.0001, TICK_SIZE) == '0.0006'
assert exchange.decimal_to_precision('-0.0006', TRUNCATE, 0.0001, TICK_SIZE) == '-0.0006'
assert exchange.decimal_to_precision('0.6', TRUNCATE, 0.2, TICK_SIZE) == '0.6'
assert exchange.decimal_to_precision('-0.6', TRUNCATE, 0.2, TICK_SIZE) == '-0.6'
assert exchange.decimal_to_precision('1.2', ROUND, 0.4, TICK_SIZE) == '1.2'
assert exchange.decimal_to_precision('-1.2', ROUND, 0.4, TICK_SIZE) == '-1.2'
assert exchange.decimal_to_precision('1.2', ROUND, 0.02, TICK_SIZE) == '1.2'
assert exchange.decimal_to_precision('-1.2', ROUND, 0.02, TICK_SIZE) == '-1.2'
assert exchange.decimal_to_precision('44', ROUND, 4.4, TICK_SIZE) == '44'
assert exchange.decimal_to_precision('-44', ROUND, 4.4, TICK_SIZE) == '-44'
assert exchange.decimal_to_precision('44.00000001', ROUND, 4.4, TICK_SIZE) == '44'
assert exchange.decimal_to_precision('-44.00000001', ROUND, 4.4, TICK_SIZE) == '-44'
# https://github.com/ccxt/ccxt/issues/6731
assert exchange.decimal_to_precision('20', TRUNCATE, 1e-8, TICK_SIZE) == '20'
# ----------------------------------------------------------------------------
# testDecimalToPrecisionNegativeNumbers
assert exchange.decimal_to_precision('-0.123456', TRUNCATE, 5, DECIMAL_PLACES) == '-0.12345'
assert exchange.decimal_to_precision('-0.123456', ROUND, 5, DECIMAL_PLACES) == '-0.12346'
# ----------------------------------------------------------------------------
# decimalToPrecision: without dot / trailing dot
assert exchange.decimal_to_precision('123', TRUNCATE, 0) == '123'
assert exchange.decimal_to_precision('123', TRUNCATE, 5, DECIMAL_PLACES) == '123'
assert exchange.decimal_to_precision('123', TRUNCATE, 5, DECIMAL_PLACES, PAD_WITH_ZERO) == '123.00000'
assert exchange.decimal_to_precision('123.', TRUNCATE, 0, DECIMAL_PLACES) == '123'
assert exchange.decimal_to_precision('123.', TRUNCATE, 5, DECIMAL_PLACES, PAD_WITH_ZERO) == '123.00000'
assert exchange.decimal_to_precision('0.', TRUNCATE, 0) == '0'
assert exchange.decimal_to_precision('0.', TRUNCATE, 5, DECIMAL_PLACES, PAD_WITH_ZERO) == '0.00000'
# ----------------------------------------------------------------------------
# decimalToPrecision: rounding for equidistant digits
assert exchange.decimal_to_precision('1.44', ROUND, 1, DECIMAL_PLACES) == '1.4'
assert exchange.decimal_to_precision('1.45', ROUND, 1, DECIMAL_PLACES) == '1.5'
assert exchange.decimal_to_precision('1.45', ROUND, 0, DECIMAL_PLACES) == '1' # not 2
# ----------------------------------------------------------------------------
# negative precision only implemented so far in python
# pretty useless for decimal applications as anything |x| < 5 === 0
# NO_PADDING and PAD_WITH_ZERO are ignored
assert exchange.decimal_to_precision('5', ROUND, -1, DECIMAL_PLACES) == '10'
assert exchange.decimal_to_precision('4.999', ROUND, -1, DECIMAL_PLACES) == '0'
assert exchange.decimal_to_precision('0.0431531423', ROUND, -1, DECIMAL_PLACES) == '0'
assert exchange.decimal_to_precision('-69.3', ROUND, -1, DECIMAL_PLACES) == '-70'
assert exchange.decimal_to_precision('5001', ROUND, -4, DECIMAL_PLACES) == '10000'
assert exchange.decimal_to_precision('4999.999', ROUND, -4, DECIMAL_PLACES) == '0'
assert exchange.decimal_to_precision('69.3', TRUNCATE, -2, DECIMAL_PLACES) == '0'
assert exchange.decimal_to_precision('-69.3', TRUNCATE, -2, DECIMAL_PLACES) == '0'
assert exchange.decimal_to_precision('69.3', TRUNCATE, -1, SIGNIFICANT_DIGITS) == '60'
assert exchange.decimal_to_precision('-69.3', TRUNCATE, -1, SIGNIFICANT_DIGITS) == '-60'
assert exchange.decimal_to_precision('69.3', TRUNCATE, -2, SIGNIFICANT_DIGITS) == '0'
assert exchange.decimal_to_precision('1602000000000000000000', TRUNCATE, 3, SIGNIFICANT_DIGITS) == '1600000000000000000000'
# ----------------------------------------------------------------------------
# decimal_to_precision: stringified precision
assert exchange.decimal_to_precision('-0.000123456789', ROUND, '0.00000012', TICK_SIZE) == '-0.00012348'
assert exchange.decimal_to_precision('-0.000123456789', TRUNCATE, '0.00000012', TICK_SIZE) == '-0.00012336'
assert exchange.decimal_to_precision('-165', TRUNCATE, '110', TICK_SIZE) == '-110'
assert exchange.decimal_to_precision('-165', ROUND, '110', TICK_SIZE) == '-220'
# ----------------------------------------------------------------------------
# testDecimalToPrecisionErrorHandling (todo)
#
# throws (() =>
# decimalToPrecision ('123456.789', TRUNCATE, -2, DECIMAL_PLACES),
# 'negative precision is not yet supported')
#
# throws (() =>
# decimalToPrecision ('foo'),
# "invalid number (contains an illegal character 'f')")
#
# throws (() =>
# decimalToPrecision ('0.01', TRUNCATE, -1, TICK_SIZE),
# "TICK_SIZE cant be used with negative numPrecisionDigits")
# ----------------------------------------------------------------------------
w = '-1.123e-6'
x = '0.00000002'
y = '69696900000'
z = '0'
a = '1e8'
assert Precise.string_mul(x, y) == '1393.938'
assert Precise.string_mul(y, x) == '1393.938'
assert Precise.string_add(x, y) == '69696900000.00000002'
assert Precise.string_add(y, x) == '69696900000.00000002'
assert Precise.string_sub(x, y) == '-69696899999.99999998'
assert Precise.string_sub(y, x) == '69696899999.99999998'
assert Precise.string_div(x, y, 1) == '0'
assert Precise.string_div(x, y) == '0'
assert Precise.string_div(x, y, 19) == '0.0000000000000000002'
assert Precise.string_div(x, y, 20) == '0.00000000000000000028'
assert Precise.string_div(x, y, 21) == '0.000000000000000000286'
assert Precise.string_div(x, y, 22) == '0.0000000000000000002869'
assert Precise.string_div(y, x) == '3484845000000000000'
assert Precise.string_mul(x, w) == '-0.00000000000002246'
assert Precise.string_mul(w, x) == '-0.00000000000002246'
assert Precise.string_add(x, w) == '-0.000001103'
assert Precise.string_add(w, x) == '-0.000001103'
assert Precise.string_sub(x, w) == '0.000001143'
assert Precise.string_sub(w, x) == '-0.000001143'
assert Precise.string_div(x, w) == '-0.017809439002671415'
assert Precise.string_div(w, x) == '-56.15'
assert Precise.string_mul(z, w) == '0'
assert Precise.string_mul(z, x) == '0'
assert Precise.string_mul(z, y) == '0'
assert Precise.string_mul(w, z) == '0'
assert Precise.string_mul(x, z) == '0'
assert Precise.string_mul(y, z) == '0'
assert Precise.string_add(z, w) == '-0.000001123'
assert Precise.string_add(z, x) == '0.00000002'
assert Precise.string_add(z, y) == '69696900000'
assert Precise.string_add(w, z) == '-0.000001123'
assert Precise.string_add(x, z) == '0.00000002'
assert Precise.string_add(y, z) == '69696900000'
assert Precise.string_mul(x, a) == '2'
assert Precise.string_mul(a, x) == '2'
assert Precise.string_mul(y, a) == '6969690000000000000'
assert Precise.string_mul(a, y) == '6969690000000000000'
assert Precise.string_div(y, a) == '696.969'
assert Precise.string_div(y, a, -1) == '690'
assert Precise.string_div(y, a, 0) == '696'
assert Precise.string_div(y, a, 1) == '696.9'
assert Precise.string_div(y, a, 2) == '696.96'
assert Precise.string_div(a, y) == '0.001434784043479695'
assert Precise.string_abs('0') == '0'
assert Precise.string_abs('-0') == '0'
assert Precise.string_abs('-500.1') == '500.1'
assert Precise.string_abs('213') == '213'
assert Precise.string_neg('0') == '0'
assert Precise.string_neg('-0') == '0'
assert Precise.string_neg('-500.1') == '500.1'
assert Precise.string_neg('213') == '-213'
assert Precise.string_mod('57.123', '10') == '7.123'
assert Precise.string_mod('18', '6') == '0'
assert Precise.string_mod('10.1', '0.5') == '0.1'
assert Precise.string_mod('10000000', '5555') == '1000'
assert Precise.string_mod('5550', '120') == '30'
assert Precise.string_equals('1.0000', '1')
assert Precise.string_equals('-0.0', '0')
assert Precise.string_equals('-0.0', '0.0')
assert Precise.string_equals('5.534000', '5.5340')
assert Precise.string_min('1.0000', '2') == '1'
assert Precise.string_min('2', '1.2345') == '1.2345'
assert Precise.string_min('3.1415', '-2') == '-2'
assert Precise.string_min('-3.1415', '-2') == '-3.1415'
assert Precise.string_min('0.000', '-0.0') == '0'
assert Precise.string_max('1.0000', '2') == '2'
assert Precise.string_max('2', '1.2345') == '2'
assert Precise.string_max('3.1415', '-2') == '3.1415'
assert Precise.string_max('-3.1415', '-2') == '-2'
assert Precise.string_max('0.000', '-0.0') == '0'
assert not Precise.string_gt('1.0000', '2')
assert Precise.string_gt('2', '1.2345')
assert Precise.string_gt('3.1415', '-2')
assert not Precise.string_gt('-3.1415', '-2')
assert not Precise.string_gt('3.1415', '3.1415')
assert Precise.string_gt('3.14150000000000000000001', '3.1415')
assert not Precise.string_ge('1.0000', '2')
assert Precise.string_ge('2', '1.2345')
assert Precise.string_ge('3.1415', '-2')
assert not Precise.string_ge('-3.1415', '-2')
assert Precise.string_ge('3.1415', '3.1415')
assert Precise.string_ge('3.14150000000000000000001', '3.1415')
assert Precise.string_lt('1.0000', '2')
assert not Precise.string_lt('2', '1.2345')
assert not Precise.string_lt('3.1415', '-2')
assert Precise.string_lt('-3.1415', '-2')
assert not Precise.string_lt('3.1415', '3.1415')
assert Precise.string_lt('3.1415', '3.14150000000000000000001')
assert Precise.string_le('1.0000', '2')
assert not Precise.string_le('2', '1.2345')
assert not Precise.string_le('3.1415', '-2')
assert Precise.string_le('-3.1415', '-2')
assert Precise.string_le('3.1415', '3.1415')
assert Precise.string_le('3.1415', '3.14150000000000000000001')
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