1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
|
diff -Naurd mpfr-3.1.6-a/PATCHES mpfr-3.1.6-b/PATCHES
--- mpfr-3.1.6-a/PATCHES 2017-10-26 13:55:51.168013439 +0000
+++ mpfr-3.1.6-b/PATCHES 2017-10-26 13:55:51.236013121 +0000
@@ -0,0 +1 @@
+mpfr_get
diff -Naurd mpfr-3.1.6-a/VERSION mpfr-3.1.6-b/VERSION
--- mpfr-3.1.6-a/VERSION 2017-09-07 11:36:44.000000000 +0000
+++ mpfr-3.1.6-b/VERSION 2017-10-26 13:55:51.236013121 +0000
@@ -1 +1 @@
-3.1.6
+3.1.6-p1
diff -Naurd mpfr-3.1.6-a/src/get_ld.c mpfr-3.1.6-b/src/get_ld.c
--- mpfr-3.1.6-a/src/get_ld.c 2017-01-01 01:39:09.000000000 +0000
+++ mpfr-3.1.6-b/src/get_ld.c 2017-10-26 13:55:51.208013252 +0000
@@ -41,6 +41,9 @@
mpfr_exp_t sh; /* exponent shift, so that x/2^sh is in the double range */
mpfr_t y, z;
int sign;
+ MPFR_SAVE_EXPO_DECL (expo);
+
+ MPFR_SAVE_EXPO_MARK (expo);
/* first round x to the target long double precision, so that
all subsequent operations are exact (this avoids double rounding
@@ -103,6 +106,7 @@
}
if (sign < 0)
r = -r;
+ MPFR_SAVE_EXPO_FREE (expo);
return r;
}
}
diff -Naurd mpfr-3.1.6-a/src/get_si.c mpfr-3.1.6-b/src/get_si.c
--- mpfr-3.1.6-a/src/get_si.c 2017-01-01 01:39:09.000000000 +0000
+++ mpfr-3.1.6-b/src/get_si.c 2017-10-26 13:55:51.208013252 +0000
@@ -28,6 +28,7 @@
mpfr_prec_t prec;
long s;
mpfr_t x;
+ MPFR_SAVE_EXPO_DECL (expo);
if (MPFR_UNLIKELY (!mpfr_fits_slong_p (f, rnd)))
{
@@ -39,14 +40,22 @@
if (MPFR_IS_ZERO (f))
return (long) 0;
- /* determine prec of long */
- for (s = LONG_MIN, prec = 0; s != 0; s /= 2, prec++)
+ /* Determine the precision of long. |LONG_MIN| may have one more bit
+ as an integer, but in this case, this is a power of 2, thus fits
+ in a precision-prec floating-point number. */
+ for (s = LONG_MAX, prec = 0; s != 0; s /= 2, prec++)
{ }
+ MPFR_SAVE_EXPO_MARK (expo);
+
/* first round to prec bits */
mpfr_init2 (x, prec);
mpfr_rint (x, f, rnd);
+ /* The flags from mpfr_rint are the wanted ones. In particular,
+ it sets the inexact flag when necessary. */
+ MPFR_SAVE_EXPO_UPDATE_FLAGS (expo, __gmpfr_flags);
+
/* warning: if x=0, taking its exponent is illegal */
if (MPFR_UNLIKELY (MPFR_IS_ZERO(x)))
s = 0;
@@ -65,5 +74,7 @@
mpfr_clear (x);
+ MPFR_SAVE_EXPO_FREE (expo);
+
return s;
}
diff -Naurd mpfr-3.1.6-a/src/get_sj.c mpfr-3.1.6-b/src/get_sj.c
--- mpfr-3.1.6-a/src/get_sj.c 2017-01-01 01:39:09.000000000 +0000
+++ mpfr-3.1.6-b/src/get_sj.c 2017-10-26 13:55:51.208013252 +0000
@@ -35,6 +35,7 @@
intmax_t r;
mpfr_prec_t prec;
mpfr_t x;
+ MPFR_SAVE_EXPO_DECL (expo);
if (MPFR_UNLIKELY (!mpfr_fits_intmax_p (f, rnd)))
{
@@ -46,20 +47,24 @@
if (MPFR_IS_ZERO (f))
return (intmax_t) 0;
- /* determine the precision of intmax_t */
- for (r = MPFR_INTMAX_MIN, prec = 0; r != 0; r /= 2, prec++)
+ /* Determine the precision of intmax_t. |INTMAX_MIN| may have one
+ more bit as an integer, but in this case, this is a power of 2,
+ thus fits in a precision-prec floating-point number. */
+ for (r = MPFR_INTMAX_MAX, prec = 0; r != 0; r /= 2, prec++)
{ }
- /* Note: though INTMAX_MAX would have been sufficient for the conversion,
- we chose INTMAX_MIN so that INTMAX_MIN - 1 is always representable in
- precision prec; this is useful to detect overflows in MPFR_RNDZ (will
- be needed later). */
- /* Now, r = 0. */
+ MPFR_ASSERTD (r == 0);
+
+ MPFR_SAVE_EXPO_MARK (expo);
mpfr_init2 (x, prec);
mpfr_rint (x, f, rnd);
MPFR_ASSERTN (MPFR_IS_FP (x));
+ /* The flags from mpfr_rint are the wanted ones. In particular,
+ it sets the inexact flag when necessary. */
+ MPFR_SAVE_EXPO_UPDATE_FLAGS (expo, __gmpfr_flags);
+
if (MPFR_NOTZERO (x))
{
mp_limb_t *xp;
@@ -67,15 +72,15 @@
xp = MPFR_MANT (x);
sh = MPFR_GET_EXP (x);
- MPFR_ASSERTN ((mpfr_prec_t) sh <= prec);
+ MPFR_ASSERTN ((mpfr_prec_t) sh <= prec + 1);
if (MPFR_INTMAX_MIN + MPFR_INTMAX_MAX != 0
- && MPFR_UNLIKELY ((mpfr_prec_t) sh == prec))
+ && MPFR_UNLIKELY ((mpfr_prec_t) sh > prec))
{
/* 2's complement and x <= INTMAX_MIN: in the case mp_limb_t
has the same size as intmax_t, we cannot use the code in
the for loop since the operations would be performed in
unsigned arithmetic. */
- MPFR_ASSERTN (MPFR_IS_NEG (x) && (mpfr_powerof2_raw (x)));
+ MPFR_ASSERTN (MPFR_IS_NEG (x) && mpfr_powerof2_raw (x));
r = MPFR_INTMAX_MIN;
}
else if (MPFR_IS_POS (x))
@@ -117,6 +122,8 @@
mpfr_clear (x);
+ MPFR_SAVE_EXPO_FREE (expo);
+
return r;
}
diff -Naurd mpfr-3.1.6-a/src/get_ui.c mpfr-3.1.6-b/src/get_ui.c
--- mpfr-3.1.6-a/src/get_ui.c 2017-01-01 01:39:09.000000000 +0000
+++ mpfr-3.1.6-b/src/get_ui.c 2017-10-26 13:55:51.208013252 +0000
@@ -30,6 +30,7 @@
mpfr_t x;
mp_size_t n;
mpfr_exp_t exp;
+ MPFR_SAVE_EXPO_DECL (expo);
if (MPFR_UNLIKELY (!mpfr_fits_ulong_p (f, rnd)))
{
@@ -44,10 +45,16 @@
for (s = ULONG_MAX, prec = 0; s != 0; s /= 2, prec ++)
{ }
+ MPFR_SAVE_EXPO_MARK (expo);
+
/* first round to prec bits */
mpfr_init2 (x, prec);
mpfr_rint (x, f, rnd);
+ /* The flags from mpfr_rint are the wanted ones. In particular,
+ it sets the inexact flag when necessary. */
+ MPFR_SAVE_EXPO_UPDATE_FLAGS (expo, __gmpfr_flags);
+
/* warning: if x=0, taking its exponent is illegal */
if (MPFR_IS_ZERO(x))
s = 0;
@@ -61,5 +68,7 @@
mpfr_clear (x);
+ MPFR_SAVE_EXPO_FREE (expo);
+
return s;
}
diff -Naurd mpfr-3.1.6-a/src/get_uj.c mpfr-3.1.6-b/src/get_uj.c
--- mpfr-3.1.6-a/src/get_uj.c 2017-01-01 01:39:09.000000000 +0000
+++ mpfr-3.1.6-b/src/get_uj.c 2017-10-26 13:55:51.208013252 +0000
@@ -35,6 +35,7 @@
uintmax_t r;
mpfr_prec_t prec;
mpfr_t x;
+ MPFR_SAVE_EXPO_DECL (expo);
if (MPFR_UNLIKELY (!mpfr_fits_uintmax_p (f, rnd)))
{
@@ -50,12 +51,18 @@
for (r = MPFR_UINTMAX_MAX, prec = 0; r != 0; r /= 2, prec++)
{ }
- /* Now, r = 0. */
+ MPFR_ASSERTD (r == 0);
+
+ MPFR_SAVE_EXPO_MARK (expo);
mpfr_init2 (x, prec);
mpfr_rint (x, f, rnd);
MPFR_ASSERTN (MPFR_IS_FP (x));
+ /* The flags from mpfr_rint are the wanted ones. In particular,
+ it sets the inexact flag when necessary. */
+ MPFR_SAVE_EXPO_UPDATE_FLAGS (expo, __gmpfr_flags);
+
if (MPFR_NOTZERO (x))
{
mp_limb_t *xp;
@@ -76,6 +83,8 @@
mpfr_clear (x);
+ MPFR_SAVE_EXPO_FREE (expo);
+
return r;
}
diff -Naurd mpfr-3.1.6-a/src/get_z.c mpfr-3.1.6-b/src/get_z.c
--- mpfr-3.1.6-a/src/get_z.c 2017-01-01 01:39:09.000000000 +0000
+++ mpfr-3.1.6-b/src/get_z.c 2017-10-26 13:55:51.208013252 +0000
@@ -29,6 +29,7 @@
int inex;
mpfr_t r;
mpfr_exp_t exp;
+ MPFR_SAVE_EXPO_DECL (expo);
if (MPFR_UNLIKELY (MPFR_IS_SINGULAR (f)))
{
@@ -41,6 +42,8 @@
return 0;
}
+ MPFR_SAVE_EXPO_MARK (expo);
+
exp = MPFR_GET_EXP (f);
/* if exp <= 0, then |f|<1, thus |o(f)|<=1 */
MPFR_ASSERTN (exp < 0 || exp <= MPFR_PREC_MAX);
@@ -50,6 +53,11 @@
MPFR_ASSERTN (inex != 1 && inex != -1); /* integral part of f is
representable in r */
MPFR_ASSERTN (MPFR_IS_FP (r));
+
+ /* The flags from mpfr_rint are the wanted ones. In particular,
+ it sets the inexact flag when necessary. */
+ MPFR_SAVE_EXPO_UPDATE_FLAGS (expo, __gmpfr_flags);
+
exp = mpfr_get_z_2exp (z, r);
if (exp >= 0)
mpz_mul_2exp (z, z, exp);
@@ -57,5 +65,7 @@
mpz_fdiv_q_2exp (z, z, -exp);
mpfr_clear (r);
+ MPFR_SAVE_EXPO_FREE (expo);
+
return inex;
}
diff -Naurd mpfr-3.1.6-a/src/mpfr.h mpfr-3.1.6-b/src/mpfr.h
--- mpfr-3.1.6-a/src/mpfr.h 2017-09-07 11:36:44.000000000 +0000
+++ mpfr-3.1.6-b/src/mpfr.h 2017-10-26 13:55:51.232013138 +0000
@@ -27,7 +27,7 @@
#define MPFR_VERSION_MAJOR 3
#define MPFR_VERSION_MINOR 1
#define MPFR_VERSION_PATCHLEVEL 6
-#define MPFR_VERSION_STRING "3.1.6"
+#define MPFR_VERSION_STRING "3.1.6-p1"
/* Macros dealing with MPFR VERSION */
#define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
diff -Naurd mpfr-3.1.6-a/src/version.c mpfr-3.1.6-b/src/version.c
--- mpfr-3.1.6-a/src/version.c 2017-09-07 11:36:44.000000000 +0000
+++ mpfr-3.1.6-b/src/version.c 2017-10-26 13:55:51.232013138 +0000
@@ -25,5 +25,5 @@
const char *
mpfr_get_version (void)
{
- return "3.1.6";
+ return "3.1.6-p1";
}
|
