EST_swapping.cc

/*************************************************************************/
/*                                                                       */
/*                Centre for Speech Technology Research                  */
/*                     University of Edinburgh, UK                       */
/*                         Copyright (c) 1996                            */
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/*************************************************************************/
/*                  Author :  Alan Black                                 */
/*                  Date   :  June 1996                                  */
/*-----------------------------------------------------------------------*/
/*  General byte swapping routines                                       */
/*************************************************************************/

#include "EST_cutils.h"

/* For endian tests */
int est_endian_loc = 1;

void swapdouble(double *d)
{
    int *ii = (int *)d;
    int t;
    t = SWAPINT(ii[0]);
    ii[0] = SWAPINT(ii[1]);
    ii[1] = t;
}

void swapfloat(float *f)
{
    int *ii = (int *)f;
    ii[0] = SWAPINT(ii[0]);
}

void swap_bytes_float(float *data, int length)
{
    /* Swap floats in an array */
    int i;

    for (i=0; i<length; i++)
    swapfloat(&data[i]);
}

void swap_bytes_double(double *data, int length)
{
    /* Swap doubles in an array */
    int i;

    for (i=0; i<length; i++)
    swapdouble(&data[i]);
}

void swap_bytes_int(int *data, int length)
{
    /* Swap ints in an array */
    int i;

    for (i=0; i<length; i++)
    data[i] = SWAPINT(data[i]);

}

void swap_bytes_uint(unsigned int *data, int length)
{
    /* Swap ints in an array */
    int i;

    for (i=0; i<length; i++)
    data[i] = SWAPINT(data[i]);

}

void swap_bytes_short(short *data, int length)
{
    /* Swap shorts in an array */
    int i;

    for (i=0; i<length; i++)
    data[i] = SWAPSHORT(data[i]);

}

void swap_bytes_ushort(unsigned short *data, int length)
{
    /* Swap shorts in an array */
    int i;

    for (i=0; i<length; i++)
    data[i] = SWAPSHORT(data[i]);

}