livecode/libscript/src/module-arithmetic.cpp at develop · livecodeali/livecode · GitHub

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This file is part of LiveCode.

LiveCode is free software; you can redistribute it and/or modify it under

the terms of the GNU General Public License v3 as published by the Free

Software Foundation.

LiveCode is distributed in the hope that it will be useful, but WITHOUT ANY

WARRANTY; without even the implied warranty of MERCHANTABILITY or

FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License

for more details.

You should have received a copy of the GNU General Public License

along with LiveCode. If not see <http://www.gnu.org/licenses/>. */

#include <foundation.h>

#include <foundation-auto.h>

#include <float.h>

extern "C" MC_DLLEXPORT_DEF void MCArithmeticExecAddIntegerToInteger(integer_t p_number, integer_t& x_target)

{

if (p_number > 0 && INTEGER_MAX - p_number < x_target)

// overflow

return;

else if (p_number < 0 && INTEGER_MIN - p_number > x_target)

// underflow

return;

else

x_target += p_number;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticExecAddRealToReal(double p_number, double& x_target)

{

x_target += p_number;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticExecAddNumberToNumber(MCNumberRef p_number, MCNumberRef& x_target)

{

double t_target, t_number;

t_target = MCNumberFetchAsReal(x_target);

t_number = MCNumberFetchAsReal(p_number);

MCArithmeticExecAddRealToReal(t_number, t_target);

MCAutoNumberRef t_new_number;

MCNumberCreateWithReal(t_target, &t_new_number);

MCValueAssign(x_target, *t_new_number);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticExecSubtractIntegerFromInteger(integer_t p_number, integer_t& x_target)

{

if (p_number > 0 && INTEGER_MIN + p_number > x_target)

// overflow

return;

else if (p_number < 0 && INTEGER_MAX + p_number < x_target)

// underflow

return;

else

x_target -= p_number;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticExecSubtractRealFromReal(double p_number, double& x_target)

{

x_target -= p_number;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticExecSubtractNumberFromNumber(MCNumberRef p_number, MCNumberRef& x_target)

{

double t_target, t_number;

t_target = MCNumberFetchAsReal(x_target);

t_number = MCNumberFetchAsReal(p_number);

MCArithmeticExecSubtractRealFromReal(t_number, t_target);

MCAutoNumberRef t_new_number;

MCNumberCreateWithReal(t_target, &t_new_number);

MCValueAssign(x_target, *t_new_number);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticExecMultiplyIntegerByInteger(integer_t& x_target, integer_t p_number)

{

if (p_number > 0 && INTEGER_MAX / p_number < x_target)

// overflow

return;

else if (p_number < 0 && INTEGER_MIN / p_number > x_target)

// underflow

return;

else

x_target *= p_number;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticExecMultiplyRealByReal(double& x_target, double p_number)

{

x_target *= p_number;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticExecMultiplyNumberByNumber(MCNumberRef& x_target, MCNumberRef p_number)

{

double t_target, t_number;

t_target = MCNumberFetchAsReal(x_target);

t_number = MCNumberFetchAsReal(p_number);

MCArithmeticExecMultiplyRealByReal(t_target, t_number);

MCAutoNumberRef t_new_number;

MCNumberCreateWithReal(t_target, &t_new_number);

MCValueAssign(x_target, *t_new_number);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticExecDivideIntegerByInteger(integer_t& x_target, integer_t p_number)

{

x_target /= p_number;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticExecDivideRealByReal(double& x_target, double p_number)

{

x_target /= p_number;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticExecDivideNumberByNumber(MCNumberRef& x_target, MCNumberRef p_number)

{

double t_target, t_number;

t_target = MCNumberFetchAsReal(x_target);

t_number = MCNumberFetchAsReal(p_number);

MCArithmeticExecDivideRealByReal(t_target, t_number);

MCAutoNumberRef t_new_number;

MCNumberCreateWithReal(t_target, &t_new_number);

MCValueAssign(x_target, *t_new_number);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalIntegerPlusInteger(integer_t p_left, integer_t p_right, integer_t& r_output)

{

MCArithmeticExecAddIntegerToInteger(p_left, p_right);

//if no error

r_output = p_right;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalRealPlusReal(double p_left, double p_right, double& r_output)

{

MCArithmeticExecAddRealToReal(p_left, p_right);

//if no error

r_output = p_right;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalNumberPlusNumber(MCNumberRef p_left, MCNumberRef p_right, MCNumberRef& r_output)

{

MCNumberRef t_number;

MCNumberCreateWithReal(MCNumberFetchAsReal(p_right), t_number);

MCArithmeticExecAddNumberToNumber(p_left, t_number);

r_output = t_number;

return;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalIntegerMinusInteger(integer_t p_left, integer_t p_right, integer_t& r_output)

{

MCArithmeticExecSubtractIntegerFromInteger(p_right, p_left);

//if no error

r_output = p_left;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalRealMinusReal(double p_left, double p_right, double& r_output)

{

MCArithmeticExecSubtractRealFromReal(p_right, p_left);

//if no error

r_output = p_left;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalNumberMinusNumber(MCNumberRef p_left, MCNumberRef p_right, MCNumberRef& r_output)

{

MCNumberRef t_number;

MCNumberCreateWithReal(MCNumberFetchAsReal(p_left), t_number);

MCArithmeticExecSubtractNumberFromNumber(p_right, t_number);

r_output = t_number;

return;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalIntegerTimesInteger(integer_t p_left, integer_t p_right, integer_t& r_output)

{

MCArithmeticExecMultiplyIntegerByInteger(p_left, p_right);

//if no error

r_output = p_left;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalRealTimesReal(double p_left, double p_right, double& r_output)

{

MCArithmeticExecMultiplyRealByReal(p_left, p_right);

//if no error

r_output = p_left;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalNumberTimesNumber(MCNumberRef p_left, MCNumberRef p_right, MCNumberRef& r_output)

{

MCNumberRef t_number;

MCNumberCreateWithReal(MCNumberFetchAsReal(p_right), t_number);

MCArithmeticExecMultiplyNumberByNumber(t_number, p_left);

r_output = t_number;

return;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalIntegerOverInteger(integer_t p_left, integer_t p_right, integer_t& r_output)

{

MCArithmeticExecDivideIntegerByInteger(p_left, p_right);

//if no error

r_output = p_left;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalRealOverReal(double p_left, double p_right, double& r_output)

{

MCArithmeticExecDivideRealByReal(p_left, p_right);

//if no error

r_output = p_left;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalNumberOverNumber(MCNumberRef p_left, MCNumberRef p_right, MCNumberRef& r_output)

{

MCNumberRef t_number;

MCNumberCreateWithReal(MCNumberFetchAsReal(p_left), t_number);

MCArithmeticExecDivideNumberByNumber(t_number, p_right);

r_output = t_number;

return;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalIntegerModInteger(integer_t p_left, integer_t p_right, integer_t& r_output)

{

if (p_right == 0)

return;

r_output = fmod(double(p_left), double(p_right));

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalRealModReal(double p_left, double p_right, double& r_output)

{

double n = 0.0;

n = p_left / p_right;

//if (n == MCinfinity)

r_output = fmod(p_left, p_right);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalNumberModNumber(MCNumberRef p_left, MCNumberRef p_right, MCNumberRef& r_output)

{

double t_left, t_right;

t_left = MCNumberFetchAsReal(p_left);

t_right = MCNumberFetchAsReal(p_right);

double t_result;

MCArithmeticEvalRealModReal(t_left, t_right, t_result);

MCNumberCreateWithReal(t_result, r_output);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalIntegerWrapInteger(integer_t p_left, integer_t p_right, integer_t& r_output)

{

if (p_right == 0)

return;

integer_t t_y;

t_y = p_left > 0 ? p_right : -p_right;

if (p_left >= 0)

r_output = (fmod(double(p_left - 1), double(t_y)) + 1);

else

r_output = -(fmod(double(-p_left - 1), double(t_y)) + 1);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalRealWrapReal(double p_left, double p_right, double& r_output)

{

double n = 0.0;

n = p_left / p_right;

//if (n == MCinfinity)

double t_y;

t_y = p_left > 0 ? p_right : -p_right;

if (p_left >= 0)

r_output = (fmod(p_left - 1, t_y) + 1);

else

r_output = -(fmod(-p_left - 1, t_y) + 1);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalNumberWrapNumber(MCNumberRef p_left, MCNumberRef p_right, MCNumberRef& r_output)

{

double t_left, t_right;

t_left = MCNumberFetchAsReal(p_left);

t_right = MCNumberFetchAsReal(p_right);

double t_result;

MCArithmeticEvalRealWrapReal(t_left, t_right, t_result);

MCNumberCreateWithReal(t_result, r_output);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalIntegerIsGreaterThanInteger(integer_t p_left, integer_t p_right, bool& r_output)

{

r_output = (p_left > p_right);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalRealIsGreaterThanReal(double p_left, double p_right, bool& r_output)

{

r_output = (p_left > p_right);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalNumberIsGreaterThanNumber(MCNumberRef p_left, MCNumberRef p_right, bool& r_output)

{

r_output = (MCNumberFetchAsReal(p_left) > MCNumberFetchAsReal(p_right));

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalIntegerIsGreaterThanOrEqualToInteger(integer_t p_left, integer_t p_right, bool& r_output)

{

r_output = (p_left >= p_right);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalRealIsGreaterThanOrEqualToReal(double p_left, double p_right, bool& r_output)

{

r_output = (p_left >= p_right);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalNumberIsGreaterThanOrEqualToNumber(MCNumberRef p_left, MCNumberRef p_right, bool& r_output)

{

r_output = (MCNumberFetchAsReal(p_left) >= MCNumberFetchAsReal(p_right));

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalIntegerIsLessThanInteger(integer_t p_left, integer_t p_right, bool& r_output)

{

r_output = (p_left < p_right);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalRealIsLessThanReal(double p_left, double p_right, bool& r_output)

{

r_output = (p_left < p_right);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalNumberIsLessThanNumber(MCNumberRef p_left, MCNumberRef p_right, bool& r_output)

{

r_output = (MCNumberFetchAsReal(p_left) < MCNumberFetchAsReal(p_right));

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalIntegerIsLessThanOrEqualToInteger(integer_t p_left, integer_t p_right, bool& r_output)

{

r_output = (p_left <= p_right);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalRealIsLessThanOrEqualToReal(double p_left, double p_right, bool& r_output)

{

r_output = (p_left <= p_right);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalNumberIsLessThanOrEqualToNumber(MCNumberRef p_left, MCNumberRef p_right, bool& r_output)

{

r_output = (MCNumberFetchAsReal(p_left) <= MCNumberFetchAsReal(p_right));

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalPlusInteger(integer_t p_operand, integer_t& r_output)

{

r_output = p_operand;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalPlusReal(double p_operand, double& r_output)

{

r_output = p_operand;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalPlusNumber(MCNumberRef p_operand, MCNumberRef& r_output)

{

r_output = MCValueRetain(p_operand);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalMinusInteger(integer_t p_operand, integer_t& r_output)

{

r_output = -p_operand;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalMinusReal(double p_operand, double& r_output)

{

r_output = -p_operand;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalMinusNumber(MCNumberRef p_operand, MCNumberRef& r_output)

{

if (MCNumberIsInteger(p_operand))

MCNumberCreateWithInteger(-MCNumberFetchAsInteger(p_operand), r_output);

else

MCNumberCreateWithReal(-MCNumberFetchAsReal(p_operand), r_output);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalEqualToInteger(integer_t p_left, integer_t p_right, bool& r_output)

{

r_output = p_left == p_right;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalEqualToReal(double p_left, double p_right, bool& r_output)

{

r_output = p_left == p_right;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalEqualToNumber(MCNumberRef p_left, MCNumberRef p_right, bool& r_output)

{

r_output = MCNumberFetchAsReal(p_left) == MCNumberFetchAsReal(p_right);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalNotEqualToInteger(integer_t p_left, integer_t p_right, bool& r_output)

{

r_output = p_left != p_right;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalNotEqualToReal(double p_left, double p_right, bool& r_output)

{

r_output = p_left != p_right;

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalNotEqualToNumber(MCNumberRef p_left, MCNumberRef p_right, bool& r_output)

{

r_output = MCNumberFetchAsReal(p_left) != MCNumberFetchAsReal(p_right);

}

////////////////////////////////////////////////////////////////////////////////////////////////////

extern "C" MC_DLLEXPORT_DEF MCStringRef MCArithmeticExecFormatNumberAsString(MCNumberRef p_operand)

{

MCAutoStringRef t_output;

if (MCNumberIsInteger(p_operand))

{

if (!MCStringFormat(&t_output, "%i", MCNumberFetchAsInteger(p_operand)))

{

return nil;

}

else

{

double t_real = MCNumberFetchAsReal(p_operand);

if (!MCStringFormat(&t_output, "%g", t_real))

{

return nil;

}

MCStringSetNumericValue(*t_output, t_real);

}

return MCValueRetain(*t_output);

}

extern "C" MC_DLLEXPORT_DEF MCValueRef MCArithmeticExecParseStringAsNumber(MCStringRef p_operand)

{

double t_converted;

if (!(MCStringGetNumericValue(p_operand, t_converted) ||

MCTypeConvertStringToReal(p_operand, t_converted)))

return MCValueRetain(kMCNull);

MCAutoNumberRef t_number;

if (!MCNumberCreateWithReal(t_converted, &t_number))

return MCValueRetain(kMCNull);

return MCValueRetain(*t_number);

}

extern "C" MC_DLLEXPORT_DEF MCValueRef MCArithmeticExecParseListOfStringAsListOfNumber(MCProperListRef p_list_of_string)

{

MCAutoProperListRef t_output;

if (!MCProperListCreateMutable(&t_output))

return MCValueRetain(kMCNull);

for(uindex_t i = 0; i < MCProperListGetLength(p_list_of_string); i++)

{

MCValueRef t_element;

t_element = MCProperListFetchElementAtIndex(p_list_of_string, i);

if (MCValueGetTypeCode(t_element) != kMCValueTypeCodeString)

{

MCErrorThrowGeneric(MCSTR("not a list of string"));

return MCValueRetain(kMCNull);

}

if (!MCProperListPushElementOntoBack(*t_output, MCArithmeticExecParseStringAsNumber((MCStringRef)t_element)))

return MCValueRetain(kMCNull);

}

MCAutoProperListRef t_list;

if (!MCProperListCopy(*t_output, &t_list))

return MCValueRetain(kMCNull);

return MCValueRetain(*t_list);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalNumberFormattedAsString(MCNumberRef p_operand, MCStringRef& r_output)

{

r_output = MCArithmeticExecFormatNumberAsString(p_operand);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalStringParsedAsNumber(MCStringRef p_operand, MCValueRef& r_output)

{

r_output = MCArithmeticExecParseStringAsNumber(p_operand);

}

extern "C" MC_DLLEXPORT_DEF void MCArithmeticEvalListOfStringParsedAsListOfNumber(MCProperListRef p_list_of_string, MCValueRef& r_output)

{

r_output = MCArithmeticExecParseListOfStringAsListOfNumber(p_list_of_string);

}

////////////////////////////////////////////////////////////////////////////////////////////////////

extern "C" bool com_livecode_arithmetic_Initialize(void)

{

return true;

}

extern "C" void com_livecode_arithmetic_Finalize(void)

{

}

////////////////////////////////////////////////////////////////////////////////////////////////////

livecode/libscript/src/module-arithmetic.cpp at develop · livecodeali/livecode · GitHub

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