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//

// CTNumber.c

// CTObject

//

// Created by Carlo Tortorella on 24/10/13.

// Copyright (c) 2013 Carlo Tortorella. All rights reserved.

//

#include "CTNumber.h"

#include <math.h>

CTNumberRef CTNumberCreate(CTAllocatorRef alloc)

{

CTNumberRef number = CTAllocatorAllocate(alloc, sizeof(CTNumber));

number->alloc = alloc;

return number;

}

CTNumberRef CTNumberCreateWithUnsignedInt(CTAllocatorRef restrict alloc, uint32_t value)

{

return CTNumberCreateWithUnsignedLong(alloc, value);

}

CTNumberRef CTNumberCreateWithInt(CTAllocatorRef restrict alloc, int32_t value)

{

return CTNumberCreateWithLong(alloc, value);

}

CTNumberRef CTNumberCreateWithUnsignedLong(CTAllocatorRef restrict alloc, uint64_t value)

{

CTNumberRef number = CTNumberCreate(alloc);

CTNumberSetUnsignedLongValue(number, value);

return number;

}

CTNumberRef CTNumberCreateWithLong(CTAllocatorRef restrict alloc, int64_t value)

{

CTNumberRef number = CTNumberCreate(alloc);

CTNumberSetLongValue(number, value);

return number;

}

CTNumberRef CTNumberCreateWithDouble(CTAllocatorRef restrict alloc, long double value)

{

CTNumberRef number = CTNumberCreate(alloc);

CTNumberSetDoubleValue(number, value);

return number;

}

CTNumberRef CTNumberCopy(CTAllocatorRef restrict alloc, CTNumberRef number)

{

switch (number->type)

{

case CTNUMBER_TYPE_LONG:

return CTNumberCreateWithLong(alloc, number->value.Long);

case CTNUMBER_TYPE_ULONG:

return CTNumberCreateWithUnsignedLong(alloc, number->value.ULong);

default:

return CTNumberCreateWithDouble(alloc, number->value.Double);

}

}

uint8_t CTNumberCompare(const CTNumber * restrict number1, const CTNumber * restrict number2)

{

if (number1->type == number2->type)

{

switch (number1->type)

{

case CTNUMBER_TYPE_LONG:

return number1->value.Long == number2->value.Long;

case CTNUMBER_TYPE_ULONG:

return number1->value.ULong == number2->value.ULong;

case CTNUMBER_TYPE_DOUBLE:

return number1->value.Double == number2->value.Double;

}

}

return 0;

}

uint8_t CTLargeNumberCompare(const CTLargeNumber * restrict number1, const CTLargeNumber * restrict number2)

{

return CTNumberCompare(number1->base, number2->base) && CTNumberCompare(number1->exponent, number2->exponent);

}

CTLargeNumberRef CTLargeNumberCreate(CTAllocatorRef restrict alloc, CTNumberRef base, CTNumberRef exponent)

{

CTLargeNumberRef lnumber = CTAllocatorAllocate(alloc, sizeof(CTLargeNumber));

lnumber->alloc = alloc;

lnumber->base = base;

lnumber->exponent = exponent;

return lnumber;

}

CTLargeNumberRef CTLargeNumberCopy(CTAllocatorRef restrict alloc, CTLargeNumberRef number)

{

return CTLargeNumberCreate(alloc, CTNumberCopy(alloc, number->base), CTNumberCopy(alloc, number->exponent));

}

CTNumberRef CTLargeNumberBase(const CTLargeNumber * restrict number)

{

return number->base;

}

CTNumberRef CTLargeNumberExponent(const CTLargeNumber * restrict number)

{

return number->exponent;

}

void CTNumberRelease(CTNumberRef number)

{

CTAllocatorDeallocate(number->alloc, number);

}

void CTLargeNumberRelease(CTLargeNumberRef lnumber)

{

CTNumberRelease(lnumber->base);

CTNumberRelease(lnumber->exponent);

CTAllocatorDeallocate(lnumber->alloc, lnumber);

}

void CTNumberSetUnsignedLongValue(CTNumberRef restrict number, uint64_t value)

{

number->value.ULong = value;

number->type = CTNUMBER_TYPE_ULONG;

}

void CTNumberSetLongValue(CTNumberRef restrict number, int64_t value)

{

number->value.Long = value;

number->type = CTNUMBER_TYPE_LONG;

}

void CTNumberSetDoubleValue(CTNumberRef restrict number, long double value)

{

number->value.Double = value;

number->type = CTNUMBER_TYPE_DOUBLE;

}

uint32_t CTNumberUnsignedIntValue(const CTNumber * restrict number)

{

switch (number->type)

{

case CTNUMBER_TYPE_LONG:

return (uint32_t)number->value.Long;

case CTNUMBER_TYPE_ULONG:

return (uint32_t)number->value.ULong;

case CTNUMBER_TYPE_DOUBLE:

return (uint32_t)number->value.Double;

default:

return UINT_MAX;

}

}

int32_t CTNumberIntValue(const CTNumber * restrict number)

{

switch (number->type)

{

case CTNUMBER_TYPE_LONG:

return (int32_t)number->value.Long;

case CTNUMBER_TYPE_ULONG:

return (int32_t)number->value.ULong;

case CTNUMBER_TYPE_DOUBLE:

return (int32_t)number->value.Double;

default:

return INT_MAX;

}

}

uint64_t CTNumberUnsignedLongValue(const CTNumber * restrict number)

{

switch (number->type)

{

case CTNUMBER_TYPE_ULONG:

return number->value.ULong;

case CTNUMBER_TYPE_LONG:

return (uint64_t)number->value.Long;

case CTNUMBER_TYPE_DOUBLE:

return (uint64_t)number->value.Double;

default:

return ULONG_MAX;

}

}

int64_t CTNumberLongValue(const CTNumber * restrict number)

{

switch (number->type)

{

case CTNUMBER_TYPE_LONG:

return number->value.Long;

case CTNUMBER_TYPE_ULONG:

return (int64_t)number->value.ULong;

case CTNUMBER_TYPE_DOUBLE:

return (int64_t)number->value.Double;

default:

return LONG_MAX;

}

}

long double CTNumberDoubleValue(const CTNumber * restrict number)

{

switch (number->type)

{

case CTNUMBER_TYPE_DOUBLE:

return number->value.Double;

case CTNUMBER_TYPE_LONG:

return (long double)number->value.Long;

case CTNUMBER_TYPE_ULONG:

return (long double)number->value.ULong;

default:

return INFINITY;

}

}

CTNUMBER_TYPE CTNumberType(const CTNumber * restrict number)

{

return number->type;

}

CTObjectRef CTObjectWithNumber(CTAllocatorRef alloc, CTNumberRef restrict n)

{

return CTObjectCreate(alloc, n, CTOBJECT_TYPE_NUMBER);

}

CTObjectRef CTObjectWithLargeNumber(CTAllocatorRef alloc, CTLargeNumberRef restrict n)

{

return CTObjectCreate(alloc, n, CTOBJECT_TYPE_LARGE_NUMBER);

}