1# Data file for mpc_sqrt.
2#
3# Copyright (C) 2008, 2010 INRIA
4#
5# This file is part of GNU MPC.
6#
7# GNU MPC is free software; you can redistribute it and/or modify it under
8# the terms of the GNU Lesser General Public License as published by the
9# Free Software Foundation; either version 3 of the License, or (at your
10#o ption) any later version.
11#
12# GNU MPC is distributed in the hope that it will be useful, but WITHOUT ANY
13# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
15# more details.
16#
17# You should have received a copy of the GNU Lesser General Public License
18# along with this program. If not, see http://www.gnu.org/licenses/ .
19#
20# The line format respects the parameter order in function prototype as
21# follow:
22#
23# INEX_RE  INEX_IM  PREC_ROP_RE  ROP_RE  PREC_ROP_IM  ROP_IM  PREC_OP_RE  OP_RE  PREC_OP_IM  OP_IM  RND_RE  RND_IM
24#
25# see sin.dat for precisions
26
27# special values (following ISO C99 standard)
280 0 53 +inf 53 -inf     53 -inf 53 -inf N N
290 0 53   +0 53 -inf     53 -inf 53   -1 N N
300 0 53   +0 53 -inf     53 -inf 53   -0 N N
310 0 53   +0 53 +inf     53 -inf 53   +0 N N
320 0 53   +0 53 +inf     53 -inf 53   +1 N N
330 0 53 +inf 53 +inf     53 -inf 53 +inf N N
340 0 53  nan 53  inf     53 -inf 53  nan N N
350 0 53 +inf 53 -inf     53   -1 53 -inf N N
360 0 53   +0 53   -1     53   -1 53   -0 N N
370 0 53   +0 53   +1     53   -1 53   +0 N N
380 0 53 +inf 53 +inf     53   -1 53 +inf N N
390 0 53  nan 53  nan     53   -1 53  nan N N
400 0 53 +inf 53 -inf     53   -0 53 -inf N N
410 0 53   +1 53   -1     53   -0 53   -2 N N
420 0 53   +0 53   -0     53   -0 53   -0 N N
430 0 53   +0 53   +0     53   -0 53   +0 N N
440 0 53   +1 53   +1     53   -0 53   +2 N N
450 0 53 +inf 53 +inf     53   -0 53 +inf N N
460 0 53  nan 53  nan     53   -0 53  nan N N
470 0 53 +inf 53 -inf     53   +0 53 -inf N N
480 0 53   +1 53   -1     53   +0 53   -2 N N
490 0 53   +0 53   -0     53   +0 53   -0 N N
500 0 53   +0 53   +0     53   +0 53   +0 N N
510 0 53   +1 53   +1     53   +0 53   +2 N N
520 0 53 +inf 53 +inf     53   +0 53 +inf N N
530 0 53  nan 53  nan     53   +0 53  nan N N
540 0 53 +inf 53 -inf     53   +1 53 -inf N N
550 0 53   +1 53   -0     53   +1 53   -0 N N
560 0 53   +1 53   +0     53   +1 53   +0 N N
570 0 53 +inf 53 +inf     53   +1 53 +inf N N
580 0 53  nan 53  nan     53   +1 53  nan N N
590 0 53 +inf 53 -inf     53 +inf 53 -inf N N
600 0 53 +inf 53   -0     53 +inf 53   -1 N N
610 0 53 +inf 53   -0     53 +inf 53   -0 N N
620 0 53 +inf 53   +0     53 +inf 53   +0 N N
630 0 53 +inf 53   +0     53 +inf 53   +1 N N
640 0 53 +inf 53 +inf     53 +inf 53 +inf N N
650 0 53 +inf 53  nan     53 +inf 53  nan N N
660 0 53 +inf 53 -inf     53  nan 53 -inf N N
670 0 53  nan 53  nan     53  nan 53   -1 N N
680 0 53  nan 53  nan     53  nan 53   -0 N N
690 0 53  nan 53  nan     53  nan 53   +0 N N
700 0 53  nan 53  nan     53  nan 53   +1 N N
710 0 53 +inf 53 +inf     53  nan 53 +inf N N
720 0 53  nan 53  nan     53  nan 53  nan N N
73
74# purely real argument
75# sqrt(x +i*0) = sqrt(x) +i*0, when x>0
76# sqrt(x -i*0) = sqrt(x) -i*0, when x>0
77# sqrt(x +i*0) = +0 +i*sqrt(-x) +i*0, when x<0
78# sqrt(x -i*0) = +0 -i*sqrt(-x) +i*0, when x<0
79+ 0 53  0x16a09e667f3bcdp-52 53                    +0    53  2 17 +0 N N
800 + 53                    +0 53  0x16a09e667f3bcdp-52    54 -2 16 +0 Z N
81+ 0 53  0x16a09e667f3bcdp-52 53                    -0    55  2 15 -0 U N
820 - 53                    +0 53 -0x16a09e667f3bcdp-52    56 -2 14 -0 D N
83- 0 53  0x5a827999fcef30p-54 53                    +0    57  2 13 +0 Z Z
840 - 53                    +0 53  0x5a827999fcef30p-54    58 -2 12 +0 U Z
85- 0 53  0x5a827999fcef30p-54 53                    -0    59  2 11 -0 D Z
860 + 53                    +0 53 -0x5a827999fcef30p-54    60 -2 10 -0 N Z
87+ 0 53  0x16a09e667f3bcdp-52 53                    +0    61  2  9 +0 U U
880 + 53                    +0 53  0x16a09e667f3bcdp-52    62 -2  8 +0 D U
89+ 0 53  0x16a09e667f3bcdp-52 53                    -0    63  2  7 -0 N U
900 + 53                    +0 53 -0x5a827999fcef30p-54    64 -2  6 -0 Z U
91- 0 53  0x5a827999fcef30p-54 53                    +0    65  2  5 +0 D D
920 - 53                    +0 53  0x5a827999fcef30p-54    66 -2  4 +0 N D
93- 0 53  0x5a827999fcef30p-54 53                    -0    67  2  3 -0 Z D
940 - 53                    +0 53 -0x16a09e667f3bcdp-52    68 -2  2 -0 U D
95
96# purely imaginary argument
97# sqrt(+/-0 +i*y) = sqrt(y/2) * (1 +i), when y >0
98# sqrt(+/-0 +i*y) = sqrt(-y/2) * (1 -i), when y < 0
99+ + 53 0x16a09e667f3bcdp-52 53  0x16a09e667f3bcdp-52    53 +0 53  4 N N
100- + 53 0x5a827999fcef30p-54 53  0x16a09e667f3bcdp-52    51 -0 54  4 Z N
101+ - 53 0x16a09e667f3bcdp-52 53 -0x16a09e667f3bcdp-52    49 +0 55 -4 U N
102- - 53 0x5a827999fcef30p-54 53 -0x16a09e667f3bcdp-52    47 -0 56 -4 D N
103- - 53 0x5a827999fcef30p-54 53  0x5a827999fcef30p-54    45 +0 57  4 Z Z
104+ - 53 0x16a09e667f3bcdp-52 53  0x5a827999fcef30p-54    43 -0 58  4 U Z
105- + 53 0x5a827999fcef30p-54 53 -0x5a827999fcef30p-54    41 +0 59 -4 D Z
106+ + 53 0x16a09e667f3bcdp-52 53 -0x5a827999fcef30p-54    39 -0 60 -4 N Z
107+ + 53 0x16a09e667f3bcdp-52 53  0x16a09e667f3bcdp-52    37 +0 61  4 U U
108- + 53 0x5a827999fcef30p-54 53  0x16a09e667f3bcdp-52    35 -0 62  4 D U
109+ + 53 0x16a09e667f3bcdp-52 53 -0x5a827999fcef30p-54    33 +0 63 -4 N U
110- + 53 0x5a827999fcef30p-54 53 -0x5a827999fcef30p-54    31 -0 64 -4 Z U
111- - 53 0x5a827999fcef30p-54 53  0x5a827999fcef30p-54    29 +0 65  4 D D
112+ - 53 0x16a09e667f3bcdp-52 53  0x5a827999fcef30p-54    27 -0 66  4 N D
113- - 53 0x5a827999fcef30p-54 53 -0x16a09e667f3bcdp-52    25 +0 67 -4 Z D
114+ - 53 0x16a09e667f3bcdp-52 53 -0x16a09e667f3bcdp-52    23 -0 68 -4 U D
115
116# bugs fixed in r160 2008-07-15
117- + 19 0b11101001001001001100p+39 19 -0b1010110101100111011p-236    19 0b1.101010001010100000p+117 19 -0b1.001110111101100001p-158 N Z
118- + 2 0b11p+100 2 -0b11p+100    2         -0 2 -0b11p+203 N Z
1190 + 2         0 2 -0b10p+117    2 -0b11p+235 2         -0 N Z
120
121# close to infinite loop reported by Emmanuel Thome, 22 Oct 2010,
122# and all its variants of signs and directed roundings
123- + 375 1 375 0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281177 375 1 375 0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281176 N N
124+ + 375 0x1.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004 375 0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281177 375 1 375 0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281176 U U
125- - 375 1 375 0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef5fffffffffffffffffffffffffffffffffffffffffffep-202281177 375 1 375 0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281176 D D
126- + 375 1 375 -0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef5fffffffffffffffffffffffffffffffffffffffffffep-202281177 375 1 375 -0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281176 D U
127- - 375 1 375 0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef5fffffffffffffffffffffffffffffffffffffffffffep-202281177 375 1 375 0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281176 Z Z
128- - 375 1 375 -0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281177 375 1 375 -0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281176 N N
129+ + 375 0x1.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004 375  -0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef5fffffffffffffffffffffffffffffffffffffffffffep-202281177 375 1 375 -0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281176 U U
130- - 375 1 375 -0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281177 375 1 375 -0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281176 D D
131- + 375 1 375  -0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef5fffffffffffffffffffffffffffffffffffffffffffep-202281177 375 1 375 -0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281176 Z Z
132+ - 375 0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281177 375 1 375 -1 375 0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281176 N N
133+ + 375 0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281177 375 0x1.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004 375 -1 375 0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281176 U U
134- - 375 0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef5fffffffffffffffffffffffffffffffffffffffffffep-202281177 375 1 375 -1 375 0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281176 D D
135- - 375 0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef5fffffffffffffffffffffffffffffffffffffffffffep-202281177 375 1 375 -1 375 0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281176 Z Z
136+ + 375 0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281177 375 -1 375 -1 375 -0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281176 N N
137+ + 375 0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281177 375 -1 375 -1 375 -0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281176 U U
138- - 375 0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef5fffffffffffffffffffffffffffffffffffffffffffep-202281177 375 -0x1.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004 375 -1 375 -0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281176 D D
139- + 375 0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef5fffffffffffffffffffffffffffffffffffffffffffep-202281177 375 -1 375 -1 375 -0xf.8a8aae3080b3dd665e316d262fd54c1ca22a83dc9acb92ef6p-202281176 Z Z
140