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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [torture/] [builtin-math-4.c] - Blame information for rev 801

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Line No. Rev Author Line
1 689 jeremybenn 
/* Copyright (C) 2007  Free Software Foundation.
2 
 
3 
   Verify that built-in math function constant folding of constant
4 
   arguments is correctly performed by the compiler.  This testcase is
5 
   for functionality that was available as of mpfr-2.3.0.
6 
 
7 
   Origin: Kaveh R. Ghazi,  April 23, 2007.  */
8 
 
9 
/* { dg-do link } */
10 
 
11 
/* All references to link_error should go away at compile-time.  */
12 
extern void link_error(int);
13 
 
14 
/* Return TRUE if the sign of X != sign of Y.  This is important when
15 
   comparing signed zeros.  */
16 
#define CKSGN_F(X,Y) \
17 
  (__builtin_copysignf(1.0F,(X)) != __builtin_copysignf(1.0F,(Y)))
18 
#define CKSGN(X,Y) \
19 
  (__builtin_copysign(1.0,(X)) != __builtin_copysign(1.0,(Y)))
20 
#define CKSGN_L(X,Y) \
21 
  (__builtin_copysignl(1.0L,(X)) != __builtin_copysignl(1.0L,(Y)))
22 
 
23 
/* Test that FUNC(ARG) == (RES).  */
24 
#define TESTIT(FUNC,ARG,RES) do { \
25 
  if (__builtin_##FUNC##f(ARG##F) != RES##F \
26 
      || CKSGN_F(__builtin_##FUNC##f(ARG##F),RES##F)) \
27 
    link_error(__LINE__); \
28 
  if (__builtin_##FUNC(ARG) != RES \
29 
      || CKSGN(__builtin_##FUNC(ARG),RES)) \
30 
    link_error(__LINE__); \
31 
  if (__builtin_##FUNC##l(ARG##L) != RES##L \
32 
      || CKSGN_L(__builtin_##FUNC##l(ARG##L),RES##L)) \
33 
    link_error(__LINE__); \
34 
  } while (0)
35 
 
36 
/* Range test, check that (LOW) < FUNC(ARG) < (HI).  */
37 
#define TESTIT_R(FUNC,ARG,LOW,HI) do { \
38 
  if (__builtin_##FUNC##f(ARG) <= (LOW) || __builtin_##FUNC##f(ARG) >= (HI)) \
39 
    link_error(__LINE__); \
40 
  if (__builtin_##FUNC(ARG) <= (LOW) || __builtin_##FUNC(ARG) >= (HI)) \
41 
    link_error(__LINE__); \
42 
  if (__builtin_##FUNC##l(ARG) <= (LOW) || __builtin_##FUNC##l(ARG) >= (HI)) \
43 
    link_error(__LINE__); \
44 
  } while (0)
45 
 
46 
/* Test that FUNC(ARG1, ARG2) == (RES).  */
47 
#define TESTIT2(FUNC,ARG1,ARG2,RES) do { \
48 
  if (__builtin_##FUNC##f(ARG1, ARG2##F) != RES##F \
49 
      || CKSGN_F(__builtin_##FUNC##f(ARG1,ARG2##F),RES##F)) \
50 
    link_error(__LINE__); \
51 
  if (__builtin_##FUNC(ARG1, ARG2) != RES \
52 
      || CKSGN(__builtin_##FUNC(ARG1,ARG2),RES)) \
53 
    link_error(__LINE__); \
54 
  if (__builtin_##FUNC##l(ARG1, ARG2##L) != RES##L \
55 
      || CKSGN_L(__builtin_##FUNC##l(ARG1,ARG2##L),RES##L)) \
56 
    link_error(__LINE__); \
57 
  } while (0)
58 
 
59 
/* Range test, check that (LOW) < FUNC(ARG1,ARG2) < (HI).  */
60 
#define TESTIT2_R(FUNC,ARG1,ARG2,LOW,HI) do { \
61 
  if (__builtin_##FUNC##f(ARG1, ARG2##F) <= (LOW) \
62 
      || __builtin_##FUNC##f(ARG1, ARG2##F) >= (HI)) \
63 
    link_error(__LINE__); \
64 
  if (__builtin_##FUNC(ARG1, ARG2) <= (LOW) \
65 
      || __builtin_##FUNC(ARG1, ARG2) >= (HI)) \
66 
    link_error(__LINE__); \
67 
  if (__builtin_##FUNC##l(ARG1, ARG2##L) <= (LOW) \
68 
      || __builtin_##FUNC##l(ARG1, ARG2##L) >= (HI)) \
69 
    link_error(__LINE__); \
70 
  } while (0)
71 
 
72 
/* Test that remquo(ARG0, ARG1, &ARG_Q) == RES and ARG_Q == RES_Q.
73 
   Also test remainder/drem (ARG0,ARG1) == RES.  */
74 
#define TESTIT2_REMQUO(ARG0,ARG1,ARG_Q,RES,RES_Q) do { \
75 
  ARG_Q = 12345; \
76 
  if (__builtin_remquof(ARG0##F, ARG1##F, &ARG_Q) != RES##F \
77 
      || CKSGN_F(__builtin_remquof(ARG0##F, ARG1##F, &ARG_Q),RES##F) \
78 
      || ARG_Q != RES_Q \
79 
      || __builtin_remainderf(ARG0##F, ARG1##F) != RES##F \
80 
      || CKSGN_F(__builtin_remainderf(ARG0##F, ARG1##F),RES##F) \
81 
      || __builtin_dremf(ARG0##F, ARG1##F) != RES##F \
82 
      || CKSGN_F(__builtin_dremf(ARG0##F, ARG1##F),RES##F)) \
83 
    link_error(__LINE__); \
84 
  ARG_Q = 12345; \
85 
  if (__builtin_remquo(ARG0, ARG1, &ARG_Q) != RES \
86 
      || CKSGN(__builtin_remquo(ARG0, ARG1, &ARG_Q),RES) \
87 
      || ARG_Q != RES_Q \
88 
      || __builtin_remainder(ARG0, ARG1) != RES \
89 
      || CKSGN(__builtin_remainder(ARG0, ARG1),RES) \
90 
      || __builtin_drem(ARG0, ARG1) != RES \
91 
      || CKSGN(__builtin_drem(ARG0, ARG1),RES)) \
92 
    link_error(__LINE__); \
93 
  ARG_Q = 12345; \
94 
  if (__builtin_remquol(ARG0##L, ARG1##L, &ARG_Q) != RES##L \
95 
      || CKSGN_L(__builtin_remquol(ARG0##L, ARG1##L, &ARG_Q),RES##L) \
96 
      || ARG_Q != RES_Q \
97 
      || __builtin_remainderl(ARG0##L, ARG1##L) != RES##L \
98 
      || CKSGN_L(__builtin_remainderl(ARG0##L, ARG1##L),RES##L) \
99 
      || __builtin_dreml(ARG0##L, ARG1##L) != RES##L \
100 
      || CKSGN_L(__builtin_dreml(ARG0##L, ARG1##L),RES##L)) \
101 
    link_error(__LINE__); \
102 
  } while (0)
103 
 
104 
/* Test that FUNC(ARG,&SG) == (RES) && SG == RES_SG.  */
105 
#define TESTIT_LGAMMA_REENT(FUNC,ARG,RES,RES_SG) do { \
106 
  int sg; \
107 
  sg = 123; \
108 
  if (__builtin_##FUNC##f_r(ARG##F,&sg) != RES##F \
109 
      || sg != RES_SG \
110 
      || CKSGN_F(__builtin_##FUNC##f_r(ARG##F,&sg),RES##F)) \
111 
    link_error(__LINE__); \
112 
  sg = 123; \
113 
  if (__builtin_##FUNC##_r(ARG,&sg) != RES \
114 
      || sg != RES_SG \
115 
      || CKSGN(__builtin_##FUNC##_r(ARG,&sg),RES)) \
116 
    link_error(__LINE__); \
117 
  sg = 123; \
118 
  if (__builtin_##FUNC##l_r(ARG##L,&sg) != RES##L \
119 
      || sg != RES_SG \
120 
      || CKSGN_L(__builtin_##FUNC##l_r(ARG##L,&sg),RES##L)) \
121 
    link_error(__LINE__); \
122 
  } while (0)
123 
 
124 
/* Range test, check that (LOW) < FUNC(ARG,&SG) < (HI), and also test
125 
   that SG == RES_SG.  */
126 
#define TESTIT_LGAMMA_REENT_R(FUNC,ARG,LOW,HI,RES_SG) do { \
127 
  int sg; \
128 
  sg = 123; \
129 
  if (__builtin_##FUNC##f_r(ARG,&sg) <= (LOW) || __builtin_##FUNC##f_r(ARG,&sg) >= (HI) \
130 
      || sg != RES_SG) \
131 
    link_error(__LINE__); \
132 
  sg = 123; \
133 
  if (__builtin_##FUNC##_r(ARG,&sg) <= (LOW) || __builtin_##FUNC##_r(ARG,&sg) >= (HI) \
134 
      || sg != RES_SG) \
135 
    link_error(__LINE__); \
136 
  sg = 123; \
137 
  if (__builtin_##FUNC##l_r(ARG,&sg) <= (LOW) || __builtin_##FUNC##l_r(ARG,&sg) >= (HI) \
138 
      || sg != RES_SG) \
139 
    link_error(__LINE__); \
140 
  } while (0)
141 
 
142 
int main (void)
143 
{
144 
#ifdef __OPTIMIZE__
145 
  int q;
146 
#endif
147 
 
148 
  TESTIT (j0, 0.0, 1.0); /* j0(0) == 1 */
149 
  TESTIT (j0, -0.0, 1.0); /* j0(-0) == 1 */
150 
  TESTIT_R (j0, 1.0, 0.765, 0.766); /* j0(1) == 0.7651... */
151 
  TESTIT_R (j0, -1.0, 0.765, 0.766); /* j0(-1) == 0.7651... */
152 
 
153 
  TESTIT (j1, 0.0, 0.0); /* j1(0) == 0 */
154 
  TESTIT (j1, -0.0, -0.0); /* j1(-0) == -0 */
155 
  TESTIT_R (j1, 1.0, 0.44, 0.45); /* j1(1) == 0.440... */
156 
  TESTIT_R (j1, -1.0, -0.45, -0.44); /* j1(-1) == -0.440... */
157 
 
158 
  TESTIT2 (jn, 5, 0.0, 0.0); /* jn(5,0) == 0 */
159 
  TESTIT2 (jn, 5, -0.0, -0.0); /* jn(5,-0) == -0 */
160 
  TESTIT2 (jn, 6, 0.0, 0.0); /* jn(6,0) == 0 */
161 
  TESTIT2 (jn, 6, -0.0, 0.0); /* jn(6,-0) == 0 */
162 
 
163 
  TESTIT2 (jn, -5, 0.0, -0.0); /* jn(-5,0) == -0 */
164 
  TESTIT2 (jn, -5, -0.0, 0.0); /* jn(-5,-0) == 0 */
165 
  TESTIT2 (jn, -6, 0.0, 0.0); /* jn(-6,0) == 0 */
166 
  TESTIT2 (jn, -6, -0.0, 0.0); /* jn(-6,-0) == 0 */
167 
 
168 
  TESTIT2_R (jn, 2, 1.0, 0.11, 0.12); /* jn(2,1) == 0.114... */
169 
  TESTIT2_R (jn, 2, -1.0, 0.11, 0.12); /* jn(2,-1) == 0.114... */
170 
  TESTIT2_R (jn, 3, 5.0, 0.36, 0.37); /* jn(3,5) == 0.364... */
171 
  TESTIT2_R (jn, 3, -5.0, -0.37, -0.36); /* jn(3,-5) == -0.364... */
172 
 
173 
  TESTIT2_R (jn, -2, 1.0, 0.11, 0.12); /* jn(-2,1) == 0.114... */
174 
  TESTIT2_R (jn, -2, -1.0, 0.11, 0.12); /* jn(-2,-1) == 0.114... */
175 
  TESTIT2_R (jn, -3, 5.0, -0.37, -0.36); /* jn(-3,5) == -0.364... */
176 
  TESTIT2_R (jn, -3, -5.0, 0.36, 0.37); /* jn(-3,-5) == 0.364... */
177 
 
178 
  TESTIT2_R (jn, 4, 3.5, 0.20, 0.21); /* jn(4,3.5) == 0.204... */
179 
  TESTIT2_R (jn, 4, -3.5, 0.20, 0.21); /* jn(4,-3.5) == 0.204... */
180 
  TESTIT2_R (jn, 5, 4.6, 0.20, 0.21); /* jn(5,4.6) == 0.207... */
181 
  TESTIT2_R (jn, 5, -4.6, -0.21, -0.20); /* jn(5,-4.6) == -0.207... */
182 
 
183 
  TESTIT2_R (jn, -4, 3.5, 0.20, 0.21); /* jn(-4,3.5) == 0.204... */
184 
  TESTIT2_R (jn, -4, -3.5, 0.20, 0.21); /* jn(-4,-3.5) == 0.204... */
185 
  TESTIT2_R (jn, -5, 4.6, -0.21, -0.20); /* jn(-5,4.6) == -0.207... */
186 
  TESTIT2_R (jn, -5, -4.6, 0.20, 0.21); /* jn(-5,-4.6) == 0.207... */
187 
 
188 
  TESTIT_R (y0, 5.0, -0.31, -0.30); /* y0(5) == -0.308... */
189 
  TESTIT_R (y0, 0.1, -1.54, -1.53); /* y0(0.1) == -1.534... */
190 
 
191 
  TESTIT_R (y1, 5.0, 0.14, 0.15); /* y1(5) == 0.147... */
192 
  TESTIT_R (y1, 0.1, -6.46, -6.45); /* y1(0.1) == -6.458... */
193 
 
194 
  TESTIT2_R (yn, -1, 3.0, -0.33, -0.32); /* yn(-1,3) == -0.324... */
195 
  TESTIT2_R (yn, -1, 0.25, 2.70, 2.71); /* yn(-1,0.25) == 2.704... */
196 
 
197 
  TESTIT2_R (yn, 2, 4.0, 0.21, 0.22); /* yn(2,4) == 0.215... */
198 
  TESTIT2_R (yn, 2, 0.9, -1.95, -1.94); /* yn(2,0.9) == -1.945... */
199 
  TESTIT2_R (yn, -2, 4.0, 0.21, 0.22); /* yn(-2,4) == 0.215... */
200 
  TESTIT2_R (yn, -2, 0.9, -1.95, -1.94); /* yn(-2,0.9) == -1.945... */
201 
 
202 
  TESTIT2_R (yn, 3, 6.0, 0.32, 0.33); /* yn(3,6) == 0.328... */
203 
  TESTIT2_R (yn, 3, 0.89, -8.03, -8.02); /* yn(3,0.89) == -8.020... */
204 
  TESTIT2_R (yn, -3, 8.0, -0.03, -0.02); /* yn(-3,8) == -0.026... */
205 
  TESTIT2_R (yn, -3, 0.99, 5.98, 5.99); /* yn(-3,0.99) == 5.982... */
206 
 
207 
#ifdef __OPTIMIZE__
208 
  /* These tests rely on propagating the variable q, which happens
209 
     only when optimization is turned on.  This macro also tests
210 
     remainder/drem.  */
211 
  TESTIT2_REMQUO (0.0, 1.0, q, 0.0, 0); /* remquo(0,1,&q)==0, q==0 */
212 
  TESTIT2_REMQUO (1.0, 1.0, q, 0.0, 1); /* remquo(1,1,&q)==0, q==1 */
213 
  TESTIT2_REMQUO (2.0, 1.0, q, 0.0, 2); /* remquo(2,1,&q)==0, q==2 */
214 
  TESTIT2_REMQUO (-0.0, 1.0, q, -0.0, 0); /* remquo(-0,1,&q)==-0, q==0 */
215 
  TESTIT2_REMQUO (-1.0, 1.0, q, -0.0, -1); /* remquo(-1,1,&q)==-0, q==-1 */
216 
  TESTIT2_REMQUO (-2.0, 1.0, q, -0.0, -2); /* remquo(-2,1,&q)==-0, q==-2 */
217 
 
218 
  TESTIT2_REMQUO (0.0, -1.0, q, 0.0, 0); /* remquo(0,-1,&q)==0, q==0 */
219 
  TESTIT2_REMQUO (1.0, -1.0, q, 0.0, -1); /* remquo(1,-1,&q)==0, q==-1 */
220 
  TESTIT2_REMQUO (2.0, -1.0, q, 0.0, -2); /* remquo(2,-1,&q)==0, q==-2 */
221 
  TESTIT2_REMQUO (-0.0, -1.0, q, -0.0, 0); /* remquo(-0,-1,&q)==-0, q==0 */
222 
  TESTIT2_REMQUO (-1.0, -1.0, q, -0.0, 1); /* remquo(-1,-1,&q)==-0, q==1 */
223 
  TESTIT2_REMQUO (-2.0, -1.0, q, -0.0, 2); /* remquo(-2,-1,&q)==-0, q==2 */
224 
 
225 
  TESTIT2_REMQUO (1.0, 2.0, q, 1.0, 0); /* remquo(1,2,&q)==1, q==0 */
226 
  TESTIT2_REMQUO (3.0, 2.0, q, -1.0, 2); /* remquo(3,2,&q)==-1, q==2 */
227 
  TESTIT2_REMQUO (5.0, 2.0, q, 1.0, 2); /* remquo(5,2,&q)==1, q==2 */
228 
  TESTIT2_REMQUO (-1.0, 2.0, q, -1.0, 0); /* remquo(-1,2,&q)==-1, q==0 */
229 
  TESTIT2_REMQUO (-3.0, 2.0, q, 1.0, -2); /* remquo(-3,2,&q)==1, q==-2 */
230 
  TESTIT2_REMQUO (-5.0, 2.0, q, -1.0, -2); /* remquo(-5,2,&q)==-1, q==-2 */
231 
 
232 
  TESTIT2_REMQUO (1.0, -2.0, q, 1.0, 0); /* remquo(1,-2,&q)==1, q==0 */
233 
  TESTIT2_REMQUO (3.0, -2.0, q, -1.0, -2); /* remquo(3,-2,&q)==-1, q==-2 */
234 
  TESTIT2_REMQUO (5.0, -2.0, q, 1.0, -2); /* remquo(5,-2,&q)==1, q==-2 */
235 
  TESTIT2_REMQUO (-1.0, -2.0, q, -1.0, 0); /* remquo(-1,-2,&q)==-1, q==0 */
236 
  TESTIT2_REMQUO (-3.0, -2.0, q, 1.0, 2); /* remquo(-3,-2,&q)==1, q==2 */
237 
  TESTIT2_REMQUO (-5.0, -2.0, q, -1.0, 2); /* remquo(-5,-2,&q)==-1, q==2 */
238 
 
239 
  /* Test that the maximum possible value can be generated into the
240 
     int quotient, and check for wrap around (modulo) when that value
241 
     is exceeded.  We can only check for this when the mantissa has
242 
     enough bits to hold an INT_MAX value with complete precision.  */
243 
 
244 
#define MAXIT(FUNC,X,R) do { \
245 
  q = 12345; \
246 
  if (__builtin_##FUNC((X), 1, &q) != 0 || q != (R)) \
247 
    link_error (__LINE__); \
248 
} while (0)
249 
 
250 
  if (sizeof(int)*__CHAR_BIT__ <= __FLT_MANT_DIG__)
251 
  {
252 
    MAXIT(remquof, __INT_MAX__-1.0F, __INT_MAX__-1);
253 
    MAXIT(remquof, __INT_MAX__+0.0F, __INT_MAX__);
254 
    MAXIT(remquof, __INT_MAX__+1.0F, 0);
255 
    MAXIT(remquof, __INT_MAX__+2.0F, 1);
256 
 
257 
    MAXIT(remquof, -(__INT_MAX__-1.0F), -(__INT_MAX__-1));
258 
    MAXIT(remquof, -(__INT_MAX__+0.0F), -__INT_MAX__);
259 
    MAXIT(remquof, -(__INT_MAX__+1.0F), 0);
260 
    MAXIT(remquof, -(__INT_MAX__+2.0F), -1);
261 
  }
262 
 
263 
  if (sizeof(int)*__CHAR_BIT__ <= __DBL_MANT_DIG__)
264 
  {
265 
    MAXIT(remquo, __INT_MAX__-1.0, __INT_MAX__-1);
266 
    MAXIT(remquo, __INT_MAX__+0.0, __INT_MAX__);
267 
    MAXIT(remquo, __INT_MAX__+1.0, 0);
268 
    MAXIT(remquo, __INT_MAX__+2.0, 1);
269 
 
270 
    MAXIT(remquo, -(__INT_MAX__-1.0), -(__INT_MAX__-1));
271 
    MAXIT(remquo, -(__INT_MAX__+0.0), -__INT_MAX__);
272 
    MAXIT(remquo, -(__INT_MAX__+1.0), 0);
273 
    MAXIT(remquo, -(__INT_MAX__+2.0), -1);
274 
  }
275 
 
276 
  if (sizeof(int)*__CHAR_BIT__ <= __LDBL_MANT_DIG__)
277 
  {
278 
    MAXIT(remquo, __INT_MAX__-1.0L, __INT_MAX__-1);
279 
    MAXIT(remquo, __INT_MAX__+0.0L, __INT_MAX__);
280 
    MAXIT(remquo, __INT_MAX__+1.0L, 0);
281 
    MAXIT(remquo, __INT_MAX__+2.0L, 1);
282 
 
283 
    MAXIT(remquol, -(__INT_MAX__-1.0L), -(__INT_MAX__-1));
284 
    MAXIT(remquol, -(__INT_MAX__+0.0L), -__INT_MAX__);
285 
    MAXIT(remquol, -(__INT_MAX__+1.0L), 0);
286 
    MAXIT(remquol, -(__INT_MAX__+2.0L), -1);
287 
  }
288 
 
289 
  /* These tests rely on propagating the variable sg which contains
290 
     signgam.  This happens only when optimization is turned on.  */
291 
  TESTIT_LGAMMA_REENT_R (lgamma, -2.5, -0.06, -0.05, -1); /* lgamma_r(-2.5) == -0.056... */
292 
  TESTIT_LGAMMA_REENT_R (lgamma, -1.5, 0.86, 0.87, 1); /* lgamma_r(-1.5) == 0.860... */
293 
  TESTIT_LGAMMA_REENT_R (lgamma, -0.5, 1.26, 1.27, -1); /* lgamma_r(-0.5) == 1.265... */
294 
  TESTIT_LGAMMA_REENT_R (lgamma, 0.5, 0.57, 0.58, 1); /* lgamma_r(0.5) == 0.572... */
295 
  TESTIT_LGAMMA_REENT (lgamma, 1.0, 0.0, 1); /* lgamma_r(1) == 0 */
296 
  TESTIT_LGAMMA_REENT_R (lgamma, 1.5, -0.13, -0.12, 1); /* lgamma_r(1.5) == -0.120... */
297 
  TESTIT_LGAMMA_REENT (lgamma, 2.0, 0.0, 1); /* lgamma_r(2) == 0 */
298 
  TESTIT_LGAMMA_REENT_R (lgamma, 2.5, 0.28, 0.29, 1); /* lgamma_r(2.5) == 0.284... */
299 
 
300 
  TESTIT_LGAMMA_REENT_R (gamma, -2.5, -0.06, -0.05, -1); /* gamma_r(-2.5) == -0.056... */
301 
  TESTIT_LGAMMA_REENT_R (gamma, -1.5, 0.86, 0.87, 1); /* gamma_r(-1.5) == 0.860... */
302 
  TESTIT_LGAMMA_REENT_R (gamma, -0.5, 1.26, 1.27, -1); /* gamma_r(-0.5) == 1.265... */
303 
  TESTIT_LGAMMA_REENT_R (gamma, 0.5, 0.57, 0.58, 1); /* gamma_r(0.5) == 0.572... */
304 
  TESTIT_LGAMMA_REENT (gamma, 1.0, 0.0, 1); /* gamma_r(1) == 0 */
305 
  TESTIT_LGAMMA_REENT_R (gamma, 1.5, -0.13, -0.12, 1); /* gamma_r(1.5) == -0.120... */
306 
  TESTIT_LGAMMA_REENT (gamma, 2.0, 0.0, 1); /* gamma_r(2) == 0 */
307 
  TESTIT_LGAMMA_REENT_R (gamma, 2.5, 0.28, 0.29, 1); /* gamma_r(2.5) == 0.284... */
308 
#endif
309 
 
310 
  return 0;
311 
}

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