stdlib/tst-strtod6.c

   1 #include <math.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <string.h>
   5
   6 static int
   7 do_test (void)
   8 {
   9   static const char str[] = "NaN(blabla)something";
  10   char *endp;
  11   int result = 0;
  12
  13   double d = strtod (str, &endp);
  14   if (!isnan (d))
  15     {
  16       puts ("strtod did not return NAN");
  17       result = 1;
  18     }
  19   if (issignaling (d))
  20     {
  21       puts ("strtod returned a sNAN");
  22       result = 1;
  23     }
  24   if (strcmp (endp, "something") != 0)
  25     {
  26       puts  ("strtod set incorrect end pointer");
  27       result = 1;
  28     }
  29
  30   float f = strtof (str, &endp);
  31   if (!isnanf (f))
  32     {
  33       puts ("strtof did not return NAN");
  34       result = 1;
  35     }
  36   if (issignaling (f))
  37     {
  38       puts ("strtof returned a sNAN");
  39       result = 1;
  40     }
  41   if (strcmp (endp, "something") != 0)
  42     {
  43       puts  ("strtof set incorrect end pointer");
  44       result = 1;
  45     }
  46
  47   long double ld = strtold (str, &endp);
  48   if (!isnan (ld))
  49     {
  50       puts ("strtold did not return NAN");
  51       result = 1;
  52     }
  53   if (issignaling (ld))
  54     {
  55       puts ("strtold returned a sNAN");
  56       result = 1;
  57     }
  58   if (strcmp (endp, "something") != 0)
  59     {
  60       puts  ("strtold set incorrect end pointer");
  61       result = 1;
  62     }
  63
  64   return result;
  65 }
  66
  67 #define TEST_FUNCTION do_test ()
  68 #include "../test-skeleton.c"