6 #include <math-tests.h>
8 #if !defined(FE_OVERFLOW) && !defined(FE_UNDERFLOW)
9 /* If there's no support for the exceptions this test is checking,
10 then just return success and allow the test to be compiled. */
11 # define fetestexcept(e) 1
22 long double tl = (long double) FLT_MAX + 0x1.0p128L;
25 feclearexcept (FE_ALL_EXCEPT);
26 if (nexttowardf (m, tl) != fi)
28 puts ("nexttowardf+ failed");
31 if (EXCEPTION_TESTS (float) && fetestexcept (FE_OVERFLOW) == 0)
33 puts ("nexttowardf+ did not overflow");
36 feclearexcept (FE_ALL_EXCEPT);
37 if (nexttowardf (-m, -tl) != -fi)
39 puts ("nexttowardf- failed");
42 if (EXCEPTION_TESTS (float) && fetestexcept (FE_OVERFLOW) == 0)
44 puts ("nexttowardf- did not overflow");
50 feclearexcept (FE_ALL_EXCEPT);
51 fi = nexttowardf (m, fi);
52 if (fi < 0 || fi >= FLT_MIN)
54 puts ("nexttowardf+ failed");
57 if (EXCEPTION_TESTS (float) && fetestexcept (FE_UNDERFLOW) == 0)
59 puts ("nexttowardf+ did not underflow");
63 feclearexcept (FE_ALL_EXCEPT);
64 fi = nexttowardf (-m, -fi);
65 if (fi > 0 || fi <= -FLT_MIN)
67 puts ("nexttowardf- failed");
70 if (EXCEPTION_TESTS (float) && fetestexcept (FE_UNDERFLOW) == 0)
72 puts ("nexttowardf- did not underflow");
76 feclearexcept (FE_ALL_EXCEPT);
77 m = nexttowardf (zero, inf);
78 if (m < 0.0 || m >= FLT_MIN)
80 puts ("nexttowardf+ failed");
83 if (EXCEPTION_TESTS (float) && fetestexcept (FE_UNDERFLOW) == 0)
85 puts ("nexttowardf+ did not underflow");
88 feclearexcept (FE_ALL_EXCEPT);
89 if (nexttowardf (m, fi) != 0.0)
91 puts ("nexttowardf+ failed");
94 if (EXCEPTION_TESTS (float) && fetestexcept (FE_UNDERFLOW) == 0)
96 puts ("nexttowardf+ did not underflow");
99 feclearexcept (FE_ALL_EXCEPT);
100 m = nexttowardf (copysignf (zero, -1.0), -inf);
101 if (m > 0.0 || m <= -FLT_MIN)
103 puts ("nexttowardf- failed");
106 if (EXCEPTION_TESTS (float) && fetestexcept (FE_UNDERFLOW) == 0)
108 puts ("nexttowardf- did not underflow");
111 feclearexcept (FE_ALL_EXCEPT);
112 if (nexttowardf (m, -fi) != 0.0)
114 puts ("nexttowardf- failed");
117 if (EXCEPTION_TESTS (float) && fetestexcept (FE_UNDERFLOW) == 0)
119 puts ("nexttowardf- did not underflow");
123 tl = (long double) DBL_MAX + 1.0e305L;
124 double di = INFINITY;
126 feclearexcept (FE_ALL_EXCEPT);
127 if (nexttoward (dm, tl) != di)
129 puts ("nexttoward+ failed");
132 if (EXCEPTION_TESTS (double) && fetestexcept (FE_OVERFLOW) == 0)
134 puts ("nexttoward+ did not overflow");
137 feclearexcept (FE_ALL_EXCEPT);
138 if (nexttoward (-dm, -tl) != -di)
140 puts ("nexttoward- failed");
143 if (EXCEPTION_TESTS (double) && fetestexcept (FE_OVERFLOW) == 0)
145 puts ("nexttoward- did not overflow");
151 feclearexcept (FE_ALL_EXCEPT);
152 di = nexttoward (dm, di);
153 if (di < 0 || di >= DBL_MIN)
155 puts ("nexttoward+ failed");
158 if (EXCEPTION_TESTS (double) && fetestexcept (FE_UNDERFLOW) == 0)
160 puts ("nexttoward+ did not underflow");
164 feclearexcept (FE_ALL_EXCEPT);
165 di = nexttoward (-dm, -di);
166 if (di > 0 || di <= -DBL_MIN)
168 puts ("nexttoward- failed");
171 if (EXCEPTION_TESTS (double) && fetestexcept (FE_UNDERFLOW) == 0)
173 puts ("nexttoward- did not underflow");
177 feclearexcept (FE_ALL_EXCEPT);
178 dm = nexttoward (zero, inf);
179 if (dm < 0.0 || dm >= DBL_MIN)
181 puts ("nexttoward+ failed");
184 if (EXCEPTION_TESTS (double) && fetestexcept (FE_UNDERFLOW) == 0)
186 puts ("nexttoward+ did not underflow");
189 feclearexcept (FE_ALL_EXCEPT);
190 if (nexttoward (dm, di) != 0.0)
192 puts ("nexttoward+ failed");
195 if (EXCEPTION_TESTS (double) && fetestexcept (FE_UNDERFLOW) == 0)
197 puts ("nexttoward+ did not underflow");
200 feclearexcept (FE_ALL_EXCEPT);
201 dm = nexttoward (copysign (zero, -1.0), -inf);
202 if (dm > 0.0 || dm <= -DBL_MIN)
204 puts ("nexttoward- failed");
207 if (EXCEPTION_TESTS (double) && fetestexcept (FE_UNDERFLOW) == 0)
209 puts ("nexttoward- did not underflow");
212 feclearexcept (FE_ALL_EXCEPT);
213 if (nexttoward (dm, -di) != 0.0)
215 puts ("nexttoward- failed");
218 if (EXCEPTION_TESTS (double) && fetestexcept (FE_UNDERFLOW) == 0)
220 puts ("nexttoward- did not underflow");
224 #ifndef NO_LONG_DOUBLE
225 long double li = INFINITY;
226 long double lm = LDBL_MAX;
227 feclearexcept (FE_ALL_EXCEPT);
228 if (nexttowardl (lm, li) != li)
230 puts ("nexttowardl+ failed");
233 if (EXCEPTION_TESTS (long double) && fetestexcept (FE_OVERFLOW) == 0)
235 puts ("nexttowardl+ did not overflow");
238 feclearexcept (FE_ALL_EXCEPT);
239 if (nexttowardl (-lm, -li) != -li)
241 puts ("nexttowardl failed");
244 if (EXCEPTION_TESTS (long double) && fetestexcept (FE_OVERFLOW) == 0)
246 puts ("nexttowardl- did not overflow");
252 feclearexcept (FE_ALL_EXCEPT);
253 li = nexttowardl (lm, li);
254 if (li < 0 || li >= LDBL_MIN)
256 puts ("nexttowardl+ failed");
259 if (EXCEPTION_TESTS (long double) && fetestexcept (FE_UNDERFLOW) == 0)
261 puts ("nexttowardl+ did not underflow");
265 feclearexcept (FE_ALL_EXCEPT);
266 li = nexttowardl (-lm, -li);
267 if (li > 0 || li <= -LDBL_MIN)
269 puts ("nexttowardl- failed");
272 if (EXCEPTION_TESTS (long double) && fetestexcept (FE_UNDERFLOW) == 0)
274 puts ("nexttowardl- did not underflow");
278 feclearexcept (FE_ALL_EXCEPT);
279 lm = nexttowardl (zero, inf);
280 if (lm < 0.0 || lm >= LDBL_MIN)
282 puts ("nexttowardl+ failed");
285 if (EXCEPTION_TESTS (long double) && fetestexcept (FE_UNDERFLOW) == 0)
287 puts ("nexttowardl+ did not underflow");
290 feclearexcept (FE_ALL_EXCEPT);
291 if (nexttowardl (lm, li) != 0.0)
293 puts ("nexttowardl+ failed");
296 if (EXCEPTION_TESTS (long double) && fetestexcept (FE_UNDERFLOW) == 0)
298 puts ("nexttowardl+ did not underflow");
301 feclearexcept (FE_ALL_EXCEPT);
302 lm = nexttowardl (copysign (zero, -1.0), -inf);
303 if (lm > 0.0 || lm <= -LDBL_MIN)
305 puts ("nexttowardl- failed");
308 if (EXCEPTION_TESTS (long double) && fetestexcept (FE_UNDERFLOW) == 0)
310 puts ("nexttowardl- did not underflow");
313 feclearexcept (FE_ALL_EXCEPT);
314 if (nexttowardl (lm, -li) != 0.0)
316 puts ("nexttowardl- failed");
319 if (EXCEPTION_TESTS (long double) && fetestexcept (FE_UNDERFLOW) == 0)
321 puts ("nexttowardl- did not underflow");