Files
Upsilon/poincare/test/helper.cpp
Gabriel Ozouf fad375c11c [poincare] Add unitFormat to ReductionContext
Change-Id: I1d3fcd2f47c973c041e1be84e9a902dd58de3562
2020-11-04 15:11:44 +01:00

173 lines
11 KiB
C++

#include "helper.h"
#include <apps/shared/global_context.h>
#include <poincare/src/parsing/parser.h>
using namespace Poincare;
const char * MaxIntegerString() {
static const char * s = "179769313486231590772930519078902473361797697894230657273430081157732675805500963132708477322407536021120113879871393357658789768814416622492847430639474124377767893424865485276302219601246094119453082952085005768838150682342462881473913110540827237163350510684586298239947245938479716304835356329624224137215"; // (2^32)^k_maxNumberOfDigits-1
return s;
}
const char * OverflowedIntegerString() {
static const char * s = "179769313486231590772930519078902473361797697894230657273430081157732675805500963132708477322407536021120113879871393357658789768814416622492847430639474124377767893424865485276302219601246094119453082952085005768838150682342462881473913110540827237163350510684586298239947245938479716304835356329624224137216"; // (2^32)^k_maxNumberOfDigits
return s;
}
const char * BigOverflowedIntegerString() {
static const char * s = "279769313486231590772930519078902473361797697894230657273430081157732675805500963132708477322407536021120113879871393357658789768814416622492847430639474124377767893424865485276302219601246094119453082952085005768838150682342462881473913110540827237163350510684586298239947245938479716304835356329624224137216"; // OverflowedIntegerString() with a 2 on first digit
return s;
}
void quiz_assert_print_if_failure(bool test, const char * information) {
if (!test) {
quiz_print("TEST FAILURE WHILE TESTING:");
quiz_print(information);
}
quiz_assert(test);
}
void quiz_assert_log_if_failure(bool test, TreeHandle tree) {
#if POINCARE_TREE_LOG
if (!test) {
quiz_print("TEST FAILURE WHILE TESTING:");
tree.log();
}
#endif
quiz_assert(test);
}
void assert_parsed_expression_process_to(const char * expression, const char * result, ExpressionNode::ReductionTarget target, Preferences::ComplexFormat complexFormat, Preferences::AngleUnit angleUnit, Preferences::UnitFormat unitFormat, ExpressionNode::SymbolicComputation symbolicComputation, ExpressionNode::UnitConversion unitConversion, ProcessExpression process, int numberOfSignifiantDigits) {
Shared::GlobalContext globalContext;
Expression e = parse_expression(expression, &globalContext, false);
Expression m = process(e, ExpressionNode::ReductionContext(&globalContext, complexFormat, angleUnit, unitFormat, target, symbolicComputation, unitConversion));
constexpr int bufferSize = 500;
char buffer[bufferSize];
m.serialize(buffer, bufferSize, DecimalMode, numberOfSignifiantDigits);
const bool test = strcmp(buffer, result) == 0;
char information[bufferSize] = "";
if (!test) {
char * position = information;
size_t remainingLength = bufferSize;
static constexpr size_t numberOfPieces = 6;
const char * piecesOfInformation[numberOfPieces] = {
" ",
expression,
"\n processed to\n ",
buffer,
"\n instead of\n ",
result,
};
for (size_t piece = 0; piece < numberOfPieces; piece++) {
const size_t length = strlcpy(position, piecesOfInformation[piece], remainingLength);
if (length > remainingLength) {
break;
}
remainingLength -= length;
position += length;
}
}
quiz_assert_print_if_failure(test, information);
}
Poincare::Expression parse_expression(const char * expression, Context * context, bool addParentheses) {
Expression result = Expression::Parse(expression, context, addParentheses);
quiz_assert_print_if_failure(!result.isUninitialized(), expression);
return result;
}
void assert_reduce(const char * expression, Preferences::AngleUnit angleUnit, Preferences::UnitFormat unitFormat, Preferences::ComplexFormat complexFormat, ExpressionNode::ReductionTarget target) {
Shared::GlobalContext globalContext;
Expression e = parse_expression(expression, &globalContext, false);
assert_expression_reduce(e, angleUnit, unitFormat, complexFormat, target, expression);
}
void assert_expression_reduce(Expression e, Preferences::AngleUnit angleUnit, Preferences::UnitFormat unitFormat, Preferences::ComplexFormat complexFormat, ExpressionNode::ReductionTarget target, const char * printIfFailure) {
Shared::GlobalContext globalContext;
e = e.reduce(ExpressionNode::ReductionContext(&globalContext, complexFormat, angleUnit, unitFormat, target));
quiz_assert_print_if_failure(!(e.isUninitialized()), printIfFailure);
}
void assert_parsed_expression_simplify_to(const char * expression, const char * simplifiedExpression, ExpressionNode::ReductionTarget target, Preferences::AngleUnit angleUnit, Preferences::UnitFormat unitFormat, Preferences::ComplexFormat complexFormat, ExpressionNode::SymbolicComputation symbolicComputation, ExpressionNode::UnitConversion unitConversion) {
assert_parsed_expression_process_to(expression, simplifiedExpression, target, complexFormat, angleUnit, unitFormat, symbolicComputation, unitConversion, [](Expression e, ExpressionNode::ReductionContext reductionContext) {
Expression copy = e.clone();
if (reductionContext.target() == ExpressionNode::ReductionTarget::User) {
copy.simplifyAndApproximate(&copy, nullptr, reductionContext.context(), reductionContext.complexFormat(), reductionContext.angleUnit(), reductionContext.unitFormat(), reductionContext.symbolicComputation(), reductionContext.unitConversion());
} else {
copy = copy.simplify(reductionContext);
}
if (copy.isUninitialized()) {
return e;
}
return copy;
});
}
bool IsApproximatelyEqual(double observedValue, double expectedValue, double precision, double reference) {
if (expectedValue != 0.0) {
double relativeError = std::fabs((observedValue - expectedValue) / expectedValue);
// The relative error must be smaller than the precision
return relativeError <= precision;
}
if (reference != 0.0) {
double referenceRatio = std::fabs(observedValue / reference);
// The observedValue must be negligible against the reference
return referenceRatio <= precision;
}
// The observedValue must exactly match the expectedValue
return observedValue == expectedValue;
}
template<typename T>
void assert_expression_approximates_to(const char * expression, const char * approximation, Preferences::AngleUnit angleUnit, Preferences::UnitFormat unitFormat, Preferences::ComplexFormat complexFormat, int numberOfSignificantDigits) {
int numberOfDigits = sizeof(T) == sizeof(double) ? PrintFloat::k_numberOfStoredSignificantDigits : PrintFloat::k_numberOfPrintedSignificantDigits;
numberOfDigits = numberOfSignificantDigits > 0 ? numberOfSignificantDigits : numberOfDigits;
assert_parsed_expression_process_to(expression, approximation, SystemForApproximation, complexFormat, angleUnit, unitFormat, ReplaceAllSymbolsWithDefinitionsOrUndefined, DefaultUnitConversion, [](Expression e, ExpressionNode::ReductionContext reductionContext) {
return e.approximate<T>(reductionContext.context(), reductionContext.complexFormat(), reductionContext.angleUnit());
}, numberOfDigits);
}
void assert_expression_simplifies_and_approximates_to(const char * expression, const char * approximation, Preferences::AngleUnit angleUnit, Preferences::UnitFormat unitFormat, Preferences::ComplexFormat complexFormat, int numberOfSignificantDigits) {
int numberOfDigits = numberOfSignificantDigits > 0 ? numberOfSignificantDigits : PrintFloat::k_numberOfStoredSignificantDigits;
assert_parsed_expression_process_to(expression, approximation, SystemForApproximation, complexFormat, angleUnit, unitFormat, ReplaceAllSymbolsWithDefinitionsOrUndefined, DefaultUnitConversion, [](Expression e, ExpressionNode::ReductionContext reductionContext) {
Expression reduced;
Expression approximated;
e.simplifyAndApproximate(&reduced, &approximated, reductionContext.context(), reductionContext.complexFormat(), reductionContext.angleUnit(), reductionContext.unitFormat(), reductionContext.symbolicComputation());
return approximated;
}, numberOfDigits);
}
template<typename T>
void assert_expression_simplifies_approximates_to(const char * expression, const char * approximation, Preferences::AngleUnit angleUnit, Preferences::UnitFormat unitFormat, Preferences::ComplexFormat complexFormat, int numberOfSignificantDigits) {
int numberOfDigits = sizeof(T) == sizeof(double) ? PrintFloat::k_numberOfStoredSignificantDigits : PrintFloat::k_numberOfPrintedSignificantDigits;
numberOfDigits = numberOfSignificantDigits > 0 ? numberOfSignificantDigits : numberOfDigits;
assert_parsed_expression_process_to(expression, approximation, SystemForApproximation, complexFormat, angleUnit, unitFormat, ReplaceAllSymbolsWithDefinitionsOrUndefined, DefaultUnitConversion, [](Expression e, ExpressionNode::ReductionContext reductionContext) {
e = e.simplify(reductionContext);
return e.approximate<T>(reductionContext.context(), reductionContext.complexFormat(), reductionContext.angleUnit());
}, numberOfDigits);
}
void assert_expression_serialize_to(Poincare::Expression expression, const char * serialization, Preferences::PrintFloatMode mode, int numberOfSignificantDigits) {
constexpr int bufferSize = 500;
char buffer[bufferSize];
expression.serialize(buffer, bufferSize, mode, numberOfSignificantDigits);
quiz_assert_print_if_failure(strcmp(serialization, buffer) == 0, serialization);
}
void assert_layout_serialize_to(Poincare::Layout layout, const char * serialization) {
constexpr int bufferSize = 255;
char buffer[bufferSize];
layout.serializeForParsing(buffer, bufferSize);
quiz_assert_print_if_failure(strcmp(serialization, buffer) == 0, serialization);
}
void assert_expression_layouts_as(Poincare::Expression expression, Poincare::Layout layout) {
Layout l = expression.createLayout(DecimalMode, PrintFloat::k_numberOfStoredSignificantDigits);
quiz_assert(l.isIdenticalTo(layout));
}
template void assert_expression_approximates_to<float>(char const*, char const *, Poincare::Preferences::AngleUnit, Poincare::Preferences::UnitFormat, Poincare::Preferences::ComplexFormat, int);
template void assert_expression_approximates_to<double>(char const*, char const *, Poincare::Preferences::AngleUnit, Poincare::Preferences::UnitFormat, Poincare::Preferences::ComplexFormat, int);
template void assert_expression_simplifies_approximates_to<float>(char const*, char const *, Poincare::Preferences::AngleUnit, Poincare::Preferences::UnitFormat, Poincare::Preferences::ComplexFormat, int);
template void assert_expression_simplifies_approximates_to<double>(char const*, char const *, Poincare::Preferences::AngleUnit, Poincare::Preferences::UnitFormat, Poincare::Preferences::ComplexFormat, int);