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#include <signal.h>

#include  "test.h"

#include <math.h>

#include <ieeefp.h>

#include <string.h>

int verbose;

static int count;

int inacc;

int

_DEFUN(main,(ac, av),

       int ac _AND

       char **av)

{

  int i;

  int math2 = 1;

  int string= 1;

  int is = 1;

  int math= 1;

  int cvt = 1;

  int ieee= 1;

bt();

  for (i = 1; i < ac; i++)

  {

    if (strcmp(av[i],"-v")==0)

     verbose ++;

    if (strcmp(av[i],"-nomath2") == 0)

     math2 = 0;

    if (strcmp(av[i],"-nostrin") == 0)

     string= 0;

    if (strcmp(av[i],"-nois") == 0)

     is = 0;

    if (strcmp(av[i],"-nomath") == 0)

     math= 0;

    if (strcmp(av[i],"-nocvt") == 0)

     cvt = 0;

    if (strcmp(av[i],"-noiee") == 0)

     ieee= 0;

  }

  if (cvt)

   test_cvt();

  if (math2)

   test_math2();

  if (string)

   test_string();

  if (math)

   test_math();

  if (is)

   test_is();

  if (ieee)  test_ieee();

  printf("Tested %d functions, %d errors detected\n", count, inacc);

  return 0;

}

static _CONST char *iname = "foo";

void

_DEFUN(newfunc,(string),

       _CONST char *string)

{

  if (strcmp(iname, string))

  {

    printf("testing %s\n", string);

    fflush(stdout);

    iname = string;

  }

}

static int theline;

void line(li)

int li;

{

  if (verbose)

  {

    printf("  %d\n", li);

  }

  theline = li;

  count++;

}

int redo = 0;

int reduce = 0;

int strtod_vector = 0;

int

_DEFUN(bigger,(a,b),

           __ieee_double_shape_type *a  _AND

           __ieee_double_shape_type *b)

{

  if (a->parts.msw > b->parts.msw)

    {

      return 1;

    }

  else if (a->parts.msw == b->parts.msw)

    {

      if (a->parts.lsw > b->parts.lsw)

        {

          return 1;

        }

    }

  return 0;

}

/* Return the first bit different between two double numbers */

int

_DEFUN(mag_of_error,(is, shouldbe),

       double is _AND

       double shouldbe)

{

  __ieee_double_shape_type a,b;

  int i;

  int a_big;

  unsigned  int mask;

  unsigned long int __x;

  unsigned long int msw, lsw;

  a.value = is;

  b.value = shouldbe;

  if (a.parts.msw == b.parts.msw

      && a.parts.lsw== b.parts.lsw) return 64;

  /* Subtract the larger from the smaller number */

  a_big = bigger(&a, &b);

  if (!a_big) {

    int t;

    t = a.parts.msw;

    a.parts.msw = b.parts.msw;

    b.parts.msw = t;

    t = a.parts.lsw;

    a.parts.lsw = b.parts.lsw;

    b.parts.lsw = t;

  }

  __x = (a.parts.lsw) - (b.parts.lsw);

  msw = (a.parts.msw) - (b.parts.msw) - (__x > (a.parts.lsw));

  lsw = __x;

  /* Find out which bit the difference is in */

  mask = 0x80000000;

  for (i = 0; i < 32; i++)

  {

    if (((msw) & mask)!=0) return i;

    mask >>=1;

  }

  mask = 0x80000000;

  for (i = 0; i < 32; i++)

  {

    if (((lsw) & mask)!=0) return i+32;

    mask >>=1;

  }

  return 64;

}

 int ok_mag;

void

_DEFUN(test_sok,(is, shouldbe),

       char *is _AND

       char *shouldbe)

{

  if (strcmp(is,shouldbe))

    {

    printf("%s:%d, inacurate answer: (%s should be %s)\n",

           iname,

           theline,

           is, shouldbe);

    inacc++;

  }

}

void

_DEFUN(test_iok,(is, shouldbe),

       int is _AND

       int shouldbe)

{

  if (is != shouldbe){

    printf("%s:%d, inacurate answer: (%08x should be %08x)\n",

           iname,

           theline,

           is, shouldbe);

    inacc++;

  }

}

/* Compare counted strings upto a certain length - useful to test single

   prec float conversions against double results

*/

void

_DEFUN(test_scok,(is, shouldbe, count),

       char *is _AND

       char *shouldbe _AND

       int count)

{

  if (strncmp(is,shouldbe, count))

    {

    printf("%s:%d, inacurate answer: (%s should be %s)\n",

           iname,

           theline,

           is, shouldbe);

    inacc++;

  }

}

void

_DEFUN(test_eok,(is, shouldbe),

       int is _AND

       int shouldbe)

{

  if (is != shouldbe){

    printf("%s:%d, bad errno answer: (%d should be %d)\n",

           iname,

           theline,

           is, shouldbe);

    inacc++;

  }

}

void

_DEFUN(test_mok,(value, shouldbe, okmag),

       double value _AND

       double shouldbe _AND

       int okmag)

{

  __ieee_double_shape_type a,b;

  int mag = mag_of_error(value, shouldbe);

  if (mag == 0)

  {

    /* error in the first bit is ok if the numbers are both 0 */

    if (value == 0.0 && shouldbe == 0.0)

     return;

  }

  a.value = shouldbe;

  b.value = value;

  if (mag < okmag)

  {

    printf("%s:%d, wrong answer: bit %d ",

           iname,

           theline,

           mag);

     printf("%08x%08x %08x%08x) ",

            a.parts.msw,             a.parts.lsw,

            b.parts.msw,             b.parts.lsw);

    printf("(%g %g)\n",   a.value, b.value);

    inacc++;

  }

}

#ifdef __PCCNECV70__

kill() {}

getpid() {}

#endif

bt(){

  double f1,f2;

  f1 = 0.0;

  f2 = 0.0/f1;

  printf("(%g)\n", f2);

}