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#include "ebml_float.h"
double float_read_ptr_len(uint64_t len, const uint8_t *ptr)
{
// TODO: big endian support
if (len == 4)
{
float val;
uint8_t *dest = (uint8_t *)&val;
dest[3]=ptr[0];
dest[2]=ptr[1];
dest[1]=ptr[2];
dest[0]=ptr[3];
return val;
}
else if (len == 8)
{
double val;
uint8_t *dest = (uint8_t *)&val;
dest[7]=ptr[0];
dest[6]=ptr[1];
dest[5]=ptr[2];
dest[4]=ptr[3];
dest[3]=ptr[4];
dest[2]=ptr[5];
dest[1]=ptr[6];
dest[0]=ptr[7];
return val;
}
else if (len == 10)
{
long double val;
memset(&val, 0, sizeof(val));
uint8_t *dest = (uint8_t *)&val;
dest[9]=ptr[0];
dest[8]=ptr[1];
dest[7]=ptr[2];
dest[6]=ptr[3];
dest[5]=ptr[4];
dest[4]=ptr[5];
dest[3]=ptr[6];
dest[2]=ptr[7];
dest[1]=ptr[8];
dest[0]=ptr[9];
return val;
}
else
return 0;
}
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