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/** \file
* \brief Data Type Utilities
*
* See Copyright Notice in im_lib.h
* $Id: im_datatype.cpp,v 1.1 2008/10/17 06:10:16 scuri Exp $
*/
#include "im.h"
#include "im_util.h"
#include <assert.h>
typedef struct _iTypeInfo
{
int size;
unsigned long max;
long min;
char* name;
} iTypeInfo;
static iTypeInfo iTypeInfoTable[] =
{
{1, 255, 0, "byte"},
{2, 65535, 0, "ushort"},
{4, 2147483647, -2147483647-1, "int"},
{4, 0, 0, "float"},
{8, 0, 0, "cfloat"}
};
const char* imDataTypeName(int data_type)
{
assert(data_type >= IM_BYTE && data_type <= IM_CFLOAT);
return iTypeInfoTable[data_type].name;
}
int imDataTypeSize(int data_type)
{
assert(data_type >= IM_BYTE && data_type <= IM_CFLOAT);
assert(sizeof(int) == 4);
return iTypeInfoTable[data_type].size;
}
unsigned long imDataTypeIntMax(int data_type)
{
assert(data_type >= IM_BYTE && data_type <= IM_CFLOAT);
return iTypeInfoTable[data_type].max;
}
long imDataTypeIntMin(int data_type)
{
assert(data_type >= IM_BYTE && data_type <= IM_CFLOAT);
return iTypeInfoTable[data_type].min;
}
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