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199 lines
10 KiB
C++
199 lines
10 KiB
C++
#include <quiz.h>
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#include <poincare.h>
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#include <string.h>
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#include <ion.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <cmath>
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#include "helper.h"
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using namespace Poincare;
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template<typename T>
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void assert_float_prints_to(T a, const char * result, Preferences::PrintFloatMode mode = ScientificMode, int significantDigits = 7, int bufferSize = 250) {
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quiz_print(result);
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constexpr int tagSize = 8;
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unsigned char tag = 'O';
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char taggedBuffer[250+2*tagSize];
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memset(taggedBuffer, tag, bufferSize+2*tagSize);
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char * buffer = taggedBuffer + tagSize;
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PrintFloat::convertFloatToText<T>(a, buffer, bufferSize, significantDigits, mode);
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for (int i=0; i<tagSize; i++) {
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quiz_assert(taggedBuffer[i] == tag);
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}
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for (int i=tagSize+strlen(buffer)+1; i<bufferSize+2*tagSize; i++) {
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quiz_assert(taggedBuffer[i] == tag);
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}
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translate_in_ASCII_chars(buffer);
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quiz_assert(strcmp(buffer, result) == 0);
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}
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void assert_expression_prints_to(Expression e, const char * result, Preferences::PrintFloatMode mode = ScientificMode, int numberOfSignificantDigits = 7, int bufferSize = 250) {
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quiz_print(result);
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int tagSize = 8;
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unsigned char tag = 'O';
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char * taggedBuffer = new char[bufferSize+2*tagSize];
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memset(taggedBuffer, tag, bufferSize+2*tagSize);
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char * buffer = taggedBuffer + tagSize;
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e.serialize(buffer, bufferSize, mode, numberOfSignificantDigits);
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translate_in_ASCII_chars(buffer);
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for (int i=0; i<tagSize; i++) {
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quiz_assert(taggedBuffer[i] == tag || taggedBuffer[i] == 0);
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}
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for (int i=tagSize+strlen(buffer)+1; i<bufferSize+2*tagSize; i++) {
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quiz_assert(taggedBuffer[i] == tag || taggedBuffer[i] == 0);
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}
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quiz_assert(strcmp(buffer, result) == 0);
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delete[] taggedBuffer;
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}
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template<typename T>
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void assert_approximation_prints_to(Float<T> e, const char * result) {
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GlobalContext globalContext;
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Expression approximation = e.template approximate<T>(globalContext, Radian, Cartesian);
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assert_expression_prints_to(approximation, result, DecimalMode, (sizeof(T) == sizeof(float) ? 7 : 14));
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}
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QUIZ_CASE(assert_float_prints_to) {
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/* We expect 7 significative numbers but do not display 0 */
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assert_float_prints_to(123.456f, "1.23456E2");
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assert_float_prints_to(1.234567891011, "1.234568");
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assert_float_prints_to(2.0f, "2");
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assert_float_prints_to(123456789.0, "1.234568E8");
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assert_float_prints_to(0.00000123456789f, "1.234568E-6");
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assert_float_prints_to(0.99, "9.9E-1");
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assert_float_prints_to(-123.456789f, "-1.234568E2");
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assert_float_prints_to(-0.000123456789, "-1.234568E-4");
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assert_float_prints_to(0.0f, "0");
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assert_float_prints_to(10000000000000000000000000000.0, "1E28");
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/* Converting 10000000000000000000000000000.0f into a decimal display would
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* overflow the number of significant digits set to 7. When this is the case, the
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* display mode is automatically set to scientific. */
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assert_float_prints_to(10000000000000000000000000000.0, "1E28", DecimalMode);
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assert_float_prints_to(1000000.0, "1000000", DecimalMode);
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assert_float_prints_to(10000000.0f, "1E7", DecimalMode);
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assert_float_prints_to(0.000001, "0.000001", DecimalMode);
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/* Converting 0.00000001f into a decimal display would also overflow the
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* number of significant digits set to 7. */
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assert_float_prints_to(0.0000001f, "1E-7", DecimalMode);
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assert_float_prints_to(-0.000000000000000000000000000000009090018, "-9.090018E-33");
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assert_float_prints_to(123.421f, "123.4", DecimalMode, 4, 6);
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assert_float_prints_to(123.421, "1.2E2", DecimalMode, 5, 6);
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assert_float_prints_to(9.999999f, "10", DecimalMode, 6);
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assert_float_prints_to(-9.99999904, "-10", DecimalMode, 6);
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assert_float_prints_to(-0.017452, "-0.01745", DecimalMode, 6);
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assert_float_prints_to(1E50, "1E50", DecimalMode, 9);
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assert_float_prints_to(100.0, "100", DecimalMode, 9);
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assert_float_prints_to(12345.678910121314, "12345.678910121", DecimalMode, 14);
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assert_float_prints_to(9.999999999999999999999E12, "1E13", DecimalMode, 9);
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assert_float_prints_to(-0.000000099999999, "-0.0000001", DecimalMode, 9);
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assert_float_prints_to(999.99999999999977, "1000", DecimalMode, 5);
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}
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QUIZ_CASE(poincare_rational_to_text) {
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assert_expression_prints_to(Rational(2,3), "2/3");
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assert_expression_prints_to(Rational("12345678910111213","123456789101112131"), "12345678910111213/123456789101112131");
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assert_expression_prints_to(Rational("123456789112345678921234567893123456789412345678951234567896123456789612345678971234567898123456789912345678901234567891123456789212345678931234567894123456789512345678961234567896123456789712345678981234567899123456789","1"), "123456789112345678921234567893123456789412345678951234567896123456789612345678971234567898123456789912345678901234567891123456789212345678931234567894123456789512345678961234567896123456789712345678981234567899123456789");
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}
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QUIZ_CASE(poincare_decimal_to_text) {
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Decimal d0(Integer("-123456789"),30);
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assert_expression_prints_to(d0, "-1.23456789E30", ScientificMode, 14);
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assert_expression_prints_to(d0, "-1.234568E30", DecimalMode, 7);
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Decimal d1(Integer("123456789"),30);
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assert_expression_prints_to(d1, "1.23456789E30", ScientificMode, 14);
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assert_expression_prints_to(d1, "1.235E30", DecimalMode, 4);
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Decimal d2(Integer("-123456789"),-30);
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assert_expression_prints_to(d2, "-1.23456789E-30", DecimalMode, 14);
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assert_expression_prints_to(d2, "-1.235E-30", ScientificMode, 4);
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Decimal d3(Integer("-12345"),-3);
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assert_expression_prints_to(d3, "-0.0012345", DecimalMode, 7);
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assert_expression_prints_to(d3, "-0.00123", DecimalMode, 3);
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assert_expression_prints_to(d3, "-0.001235", DecimalMode, 4);
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assert_expression_prints_to(d3, "-1.23E-3", ScientificMode, 3);
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Decimal d4(Integer("12345"),-3);
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assert_expression_prints_to(d4, "0.0012345", DecimalMode, 7);
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assert_expression_prints_to(d4, "1.2E-3", ScientificMode, 2);
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Decimal d5(Integer("12345"),3);
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assert_expression_prints_to(d5, "1234.5", DecimalMode, 7);
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assert_expression_prints_to(d5, "1.23E3", DecimalMode, 3);
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assert_expression_prints_to(d5, "1235", DecimalMode, 4);
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assert_expression_prints_to(d5, "1.235E3", ScientificMode, 4);
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Decimal d6(Integer("-12345"),3);
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assert_expression_prints_to(d6, "-1234.5", DecimalMode, 7);
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assert_expression_prints_to(d6, "-1.2345E3", ScientificMode, 10);
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Decimal d7(Integer("12345"),6);
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assert_expression_prints_to(d7, "1234500", DecimalMode, 7);
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assert_expression_prints_to(d7, "1.2345E6", DecimalMode, 6);
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assert_expression_prints_to(d7, "1.2345E6", ScientificMode);
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Decimal d8(Integer("-12345"),6);
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assert_expression_prints_to(d8, "-1234500", DecimalMode, 7);
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assert_expression_prints_to(d8, "-1.2345E6", DecimalMode, 5);
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assert_expression_prints_to(d7, "1.235E6", ScientificMode, 4);
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Decimal d9(Integer("-12345"),-1);
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assert_expression_prints_to(d9, "-0.12345", DecimalMode, 7);
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assert_expression_prints_to(d9, "-0.1235", DecimalMode, 4);
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assert_expression_prints_to(d9, "-1.235E-1", ScientificMode, 4);
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Decimal d10(Integer("12345"),-1);
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assert_expression_prints_to(d10, "1.2345E-1");
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assert_expression_prints_to(d10, "0.12345", DecimalMode, 7);
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assert_expression_prints_to(d10, "0.1235", DecimalMode, 4);
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assert_expression_prints_to(d10, "1.235E-1", ScientificMode, 4);
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assert_expression_prints_to(Decimal(-1.23456789E30), "-1.23456789E30", ScientificMode, 14);
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assert_expression_prints_to(Decimal(1.23456789E30), "1.23456789E30", ScientificMode, 14);
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assert_expression_prints_to(Decimal(-1.23456789E-30), "-1.23456789E-30", ScientificMode, 14);
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assert_expression_prints_to(Decimal(-1.2345E-3), "-0.0012345", DecimalMode);
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assert_expression_prints_to(Decimal(1.2345E-3), "0.0012345", DecimalMode);
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assert_expression_prints_to(Decimal(1.2345E3), "1234.5", DecimalMode);
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assert_expression_prints_to(Decimal(-1.2345E3), "-1234.5", DecimalMode);
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assert_expression_prints_to(Decimal(1.2345E6), "1234500", DecimalMode);
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assert_expression_prints_to(Decimal(-1.2345E6), "-1234500", DecimalMode);
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assert_expression_prints_to(Decimal(-1.2345E-1), "-0.12345", DecimalMode);
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assert_expression_prints_to(Decimal(1.2345E-1), "0.12345", DecimalMode);
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assert_expression_prints_to(Decimal(1.0), "1");
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assert_expression_prints_to(Decimal(0.9999999999999996), "1");
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assert_expression_prints_to(Decimal(0.99999999999995), "9.9999999999995E-1", ScientificMode, 14);
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assert_expression_prints_to(Decimal(0.00000099999999999995), "9.9999999999995E-7", ScientificMode, 14);
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assert_expression_prints_to(Decimal(0.000000999999999999995), "0.000001", DecimalMode);
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assert_expression_prints_to(Decimal(0.000000999999999901200121020102010201201201021099995), "9.999999999012E-7", DecimalMode, 14);
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assert_expression_prints_to(Decimal(9999999999999.6), "9999999999999.6", DecimalMode, 14);
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assert_expression_prints_to(Decimal(99999999999999.6), "1E14", DecimalMode, 14);
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assert_expression_prints_to(Decimal(999999999999999.6), "1E15", DecimalMode, 14);
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assert_expression_prints_to(Decimal(9999999999999999.6), "1E16", DecimalMode, 14);
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}
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QUIZ_CASE(poincare_approximation_to_text) {
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assert_approximation_prints_to(Float<double>(-1.23456789E30), "-1.23456789E30");
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assert_approximation_prints_to(Float<double>(1.23456789E30), "1.23456789E30");
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assert_approximation_prints_to(Float<double>(-1.23456789E-30), "-1.23456789E-30");
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assert_approximation_prints_to(Float<double>(-1.2345E-3), "-0.0012345");
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assert_approximation_prints_to(Float<double>(1.2345E-3), "0.0012345");
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assert_approximation_prints_to(Float<double>(1.2345E3), "1234.5");
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assert_approximation_prints_to(Float<double>(-1.2345E3), "-1234.5");
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assert_approximation_prints_to(Float<double>(0.99999999999995), "9.9999999999995E-1");
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assert_approximation_prints_to(Float<double>(0.00000099999999999995), "9.9999999999995E-7");
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assert_approximation_prints_to(Float<double>(0.0000009999999999901200121020102010201201201021099995), "9.9999999999012E-7");
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assert_approximation_prints_to(Float<float>(1.2345E-1), "0.12345");
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assert_approximation_prints_to(Float<float>(1), "1");
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assert_approximation_prints_to(Float<float>(0.9999999999999995), "1");
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assert_approximation_prints_to(Float<float>(1.2345E6), "1234500");
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assert_approximation_prints_to(Float<float>(-1.2345E6), "-1234500");
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assert_approximation_prints_to(Float<float>(0.0000009999999999999995), "0.000001");
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assert_approximation_prints_to(Float<float>(-1.2345E-1), "-0.12345");
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assert_approximation_prints_to<double>(Float<double>(INFINITY), "inf");
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assert_approximation_prints_to<float>(Float<float>(0.0f), "0");
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assert_approximation_prints_to<float>(Float<float>(NAN), "undef");
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}
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