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Last change
on this file was 2036, checked in by bird, 20 years ago |
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Initial revision
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Property cvs2svn:cvs-rev
set to
1.1
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Property svn:eol-style
set to
native
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Property svn:executable
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*
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Property svn:keywords
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Author Date Id Revision
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File size:
1.2 KB
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| 1 | #include <fenv.h>
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| 2 | #include <math.h>
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| 3 | #include <float.h>
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| 4 | #include <stdlib.h>
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| 5 | #include <stdio.h>
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| 6 |
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| 7 | int
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| 8 | main (void)
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| 9 | {
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| 10 | int result = 0;
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| 11 |
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| 12 | float i = INFINITY;
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| 13 | float m = FLT_MAX;
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| 14 | feclearexcept (FE_ALL_EXCEPT);
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| 15 | if (nextafterf (m, i) != i)
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| 16 | {
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| 17 | puts ("nextafterf+ failed");
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| 18 | ++result;
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| 19 | }
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| 20 | if (fetestexcept (FE_OVERFLOW) == 0)
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| 21 | {
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| 22 | puts ("nextafterf+ did not overflow");
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| 23 | ++result;
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| 24 | }
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| 25 | feclearexcept (FE_ALL_EXCEPT);
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| 26 | if (nextafterf (-m, -i) != -i)
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| 27 | {
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| 28 | puts ("nextafterf- failed");
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| 29 | ++result;
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| 30 | }
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| 31 | if (fetestexcept (FE_OVERFLOW) == 0)
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| 32 | {
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| 33 | puts ("nextafterf- did not overflow");
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| 34 | ++result;
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| 35 | }
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| 36 |
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| 37 | double di = INFINITY;
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| 38 | double dm = DBL_MAX;
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| 39 | feclearexcept (FE_ALL_EXCEPT);
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| 40 | if (nextafter (dm, di) != di)
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| 41 | {
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| 42 | puts ("nextafter+ failed");
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| 43 | ++result;
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| 44 | }
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| 45 | if (fetestexcept (FE_OVERFLOW) == 0)
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| 46 | {
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| 47 | puts ("nextafter+ did not overflow");
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| 48 | ++result;
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| 49 | }
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| 50 | feclearexcept (FE_ALL_EXCEPT);
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| 51 | if (nextafter (-dm, -di) != -di)
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| 52 | {
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| 53 | puts ("nextafter failed");
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| 54 | ++result;
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| 55 | }
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| 56 | if (fetestexcept (FE_OVERFLOW) == 0)
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| 57 | {
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| 58 | puts ("nextafter- did not overflow");
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| 59 | ++result;
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| 60 | }
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| 61 |
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| 62 | return result;
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| 63 | }
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