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glibc  2.9
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tst-efgcvt.c File Reference
#include <float.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

Go to the source code of this file.

Classes

struct  testcase

Defines

#define _GNU_SOURCE   1

Typedefs

typedef char *(* efcvt_func )(double, int, int *, int *))

Functions

typedef int ((*efcvt_r_func)(double, int, int *, int *, char *, size_t))
static void output_error (const char *name, double value, int ndigit, const char *exp_p, int exp_decpt, int exp_sign, char *res_p, int res_decpt, int res_sign)
static void output_r_error (const char *name, double value, int ndigit, const char *exp_p, int exp_decpt, int exp_sign, int exp_return, char *res_p, int res_decpt, int res_sign, int res_return)
static void test (testcase tests[], efcvt_func efcvt, const char *name)
static void test_r (testcase tests[], efcvt_r_func efcvt_r, const char *name)
static void special (void)
int main (void)

Variables

int error_count
static testcase ecvt_tests []
static testcase fcvt_tests []

Class Documentation

struct testcase

Definition at line 31 of file tst-efgcvt.c.

Class Members
int decpt
const char * expect
const char * fmt
int ndigit
char result
double value

Define Documentation

#define _GNU_SOURCE   1

Definition at line 20 of file tst-efgcvt.c.


Typedef Documentation

typedef char*(* efcvt_func)(double, int, int *, int *))

Definition at line 39 of file tst-efgcvt.c.


Function Documentation

typedef int ( (*)(double, int, int *, int *, char *, size_t efcvt_r_func)
int main ( void  )

Definition at line 205 of file tst-efgcvt.c.

{
  test (ecvt_tests, ecvt, "ecvt");
  test (fcvt_tests, fcvt, "fcvt");
  test_r (ecvt_tests, ecvt_r, "ecvt_r");
  test_r (fcvt_tests, fcvt_r, "fcvt_r");
  special ();

  return error_count;
}

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static void output_error ( const char *  name,
double  value,
int  ndigit,
const char *  exp_p,
int  exp_decpt,
int  exp_sign,
char *  res_p,
int  res_decpt,
int  res_sign 
) [static]

Definition at line 95 of file tst-efgcvt.c.

{
  printf ("%s returned wrong result for value: %f, ndigits: %d\n",
         name, value, ndigit);
  printf ("Result was p: \"%s\", decpt: %d, sign: %d\n",
         res_p, res_decpt, res_sign);
  printf ("Should be  p: \"%s\", decpt: %d, sign: %d\n",
         exp_p, exp_decpt, exp_sign);
  ++error_count;
}

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static void output_r_error ( const char *  name,
double  value,
int  ndigit,
const char *  exp_p,
int  exp_decpt,
int  exp_sign,
int  exp_return,
char *  res_p,
int  res_decpt,
int  res_sign,
int  res_return 
) [static]

Definition at line 110 of file tst-efgcvt.c.

{
  printf ("%s returned wrong result for value: %f, ndigits: %d\n",
         name, value, ndigit);
  printf ("Result was buf: \"%s\", decpt: %d, sign: %d return value: %d\n",
         res_p, res_decpt, res_sign, res_return);
  printf ("Should be  buf: \"%s\", decpt: %d, sign: %d\n",
         exp_p, exp_decpt, exp_sign);
  ++error_count;
}

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static void special ( void  ) [static]

Definition at line 169 of file tst-efgcvt.c.

{
  int decpt, sign, res;
  char *p;
  char buf [1024];

  p = ecvt (NAN, 10, &decpt, &sign);
  if (sign != 0 || strcmp (p, "nan") != 0)
    output_error ("ecvt", NAN, 10, "nan", 0, 0, p, decpt, sign);

  p = ecvt (INFINITY, 10, &decpt, &sign);
  if (sign != 0 || strcmp (p, "inf") != 0)
    output_error ("ecvt", NAN, 10, "inf", 0, 0, p, decpt, sign);

  /* Simply make sure these calls with large NDIGITs don't crash.  */
  (void) ecvt (123.456, 10000, &decpt, &sign);
  (void) fcvt (123.456, 10000, &decpt, &sign);

  /* Some tests for for the reentrant functions.  */
  /* Use a too small buffer.  */
  res = ecvt_r (123.456, 10, &decpt, &sign, buf, 1);
  if (res == 0)
    {
      printf ("ecvt_r with a too small buffer was succesful.\n");
      ++error_count;
    }
  res = fcvt_r (123.456, 10, &decpt, &sign, buf, 1);
  if (res == 0)
    {
      printf ("fcvt_r with a too small buffer was succesful.\n");
      ++error_count;
    }
}

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static void test ( testcase  tests[],
efcvt_func  efcvt,
const char *  name 
) [static]

Definition at line 124 of file tst-efgcvt.c.

{
  int no = 0;
  int decpt, sign;
  char *p;

  while (tests[no].value != -1.0)
    {
      p = efcvt (tests[no].value, tests[no].ndigit, &decpt, &sign);
      if (decpt != tests[no].decpt
         || sign != (tests[no].value < 0)
         || strcmp (p, tests[no].result) != 0)
       output_error (name, tests[no].value, tests[no].ndigit,
                    tests[no].result, tests[no].decpt,
                    (tests[no].value < 0),
                    p, decpt, sign);
      ++no;
    }
}

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static void test_r ( testcase  tests[],
efcvt_r_func  efcvt_r,
const char *  name 
) [static]

Definition at line 145 of file tst-efgcvt.c.

{
  int no = 0;
  int decpt, sign, res;
  char buf [1024];


  while (tests[no].value != -1.0)
    {
      res = efcvt_r (tests[no].value, tests[no].ndigit, &decpt, &sign,
                   buf, sizeof (buf));
      if (res != 0
         || decpt != tests[no].decpt
         || sign != (tests[no].value < 0)
         || strcmp (buf, tests[no].result) != 0)
       output_r_error (name, tests[no].value, tests[no].ndigit,
                     tests[no].result, tests[no].decpt, 0,
                     (tests[no].value < 0),
                     buf, decpt, sign, res);
      ++no;
    }
}

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Variable Documentation

testcase ecvt_tests[] [static]
Initial value:
{
  { 0.0, 0, 1, "" },
  { 10.0, 0, 2, "" },
  { 10.0, 1, 2, "1" },
  { 10.0, 5, 2, "10000" },
  { -12.0, 5, 2, "12000" },
  { 0.2, 4, 0, "2000" },
  { 0.02, 4, -1, "2000" },
  { 5.5, 1, 1, "6" },
  { 1.0, -1, 1, "" },
  { 0.01, 2, -1, "10" },
  { 100.0, -2, 3, "" },
  { 100.0, -5, 3, "" },
  { 100.0, -4, 3, "" },
  { 100.01, -4, 3, "" },
  { 123.01, -4, 3, "" },
  { 126.71, -4, 3, "" },
  { 0.0, 4, 1, "0000" },




  
  { -1.0, 0, 0, "" }
}

Definition at line 44 of file tst-efgcvt.c.

Definition at line 29 of file tst-efgcvt.c.

testcase fcvt_tests[] [static]
Initial value:
{
  { 0.0, 0, 1, "0" },
  { 10.0, 0, 2, "10" },
  { 10.0, 1, 2, "100" },
  { 10.0, 4, 2, "100000" },
  { -12.0, 5, 2, "1200000" },
  { 0.2, 4, 0, "2000" },
  { 0.02, 4, -1, "200" },
  { 5.5, 1, 1, "55" },
  { 5.5, 0, 1, "6" },
  { 0.01, 2, -1, "1" },
  { 100.0, -2, 3, "100" },
  { 100.0, -5, 3, "100" },
  { 100.0, -4, 3, "100" },
  { 100.01, -4, 3, "100" },
  { 123.01, -4, 3, "100" },
  { 126.71, -4, 3, "100" },
  { 322.5, 16, 3, "3225000000000000000" },
  
  { -1.0, 0, 0, "" }
}

Definition at line 71 of file tst-efgcvt.c.