OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [go.test/] [test/] [float_lit.go] - Blame information for rev 700

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 700 jeremybenn 
// $G $F.go && $L $F.$A && ./$A.out
2 
 
3 
// Copyright 2009 The Go Authors. All rights reserved.
4 
// Use of this source code is governed by a BSD-style
5 
// license that can be found in the LICENSE file.
6 
 
7 
package main
8 
 
9 
var bad bool
10 
 
11 
func pow10(pow int) float64 {
12 
        if pow < 0 {
13 
                return 1 / pow10(-pow)
14 
        }
15 
        if pow > 0 {
16 
                return pow10(pow-1) * 10
17 
        }
18 
        return 1
19 
}
20 
 
21 
func close(da float64, ia, ib int64, pow int) bool {
22 
        db := float64(ia) / float64(ib)
23 
        db *= pow10(pow)
24 
 
25 
        if da == 0 || db == 0 {
26 
                if da == 0 && db == 0 {
27 
                        return true
28 
                }
29 
                return false
30 
        }
31 
 
32 
        de := (da - db) / da
33 
        if de < 0 {
34 
                de = -de
35 
        }
36 
 
37 
        if de < 1e-14 {
38 
                return true
39 
        }
40 
        if !bad {
41 
                println("BUG")
42 
                bad = true
43 
        }
44 
        return false
45 
}
46 
 
47 
func main() {
48 
        if !close(0., 0, 1, 0) {
49 
                print("0. is ", 0., "\n")
50 
        }
51 
        if !close(+10., 10, 1, 0) {
52 
                print("+10. is ", +10., "\n")
53 
        }
54 
        if !close(-210., -210, 1, 0) {
55 
                print("-210. is ", -210., "\n")
56 
        }
57 
 
58 
        if !close(.0, 0, 1, 0) {
59 
                print(".0 is ", .0, "\n")
60 
        }
61 
        if !close(+.01, 1, 100, 0) {
62 
                print("+.01 is ", +.01, "\n")
63 
        }
64 
        if !close(-.012, -12, 1000, 0) {
65 
                print("-.012 is ", -.012, "\n")
66 
        }
67 
 
68 
        if !close(0.0, 0, 1, 0) {
69 
                print("0.0 is ", 0.0, "\n")
70 
        }
71 
        if !close(+10.01, 1001, 100, 0) {
72 
                print("+10.01 is ", +10.01, "\n")
73 
        }
74 
        if !close(-210.012, -210012, 1000, 0) {
75 
                print("-210.012 is ", -210.012, "\n")
76 
        }
77 
 
78 
        if !close(0E+1, 0, 1, 0) {
79 
                print("0E+1 is ", 0E+1, "\n")
80 
        }
81 
        if !close(+10e2, 10, 1, 2) {
82 
                print("+10e2 is ", +10e2, "\n")
83 
        }
84 
        if !close(-210e3, -210, 1, 3) {
85 
                print("-210e3 is ", -210e3, "\n")
86 
        }
87 
 
88 
        if !close(0E-1, 0, 1, 0) {
89 
                print("0E-1 is ", 0E-1, "\n")
90 
        }
91 
        if !close(+0e23, 0, 1, 1) {
92 
                print("+0e23 is ", +0e23, "\n")
93 
        }
94 
        if !close(-0e345, 0, 1, 1) {
95 
                print("-0e345 is ", -0e345, "\n")
96 
        }
97 
 
98 
        if !close(0E1, 0, 1, 1) {
99 
                print("0E1 is ", 0E1, "\n")
100 
        }
101 
        if !close(+10e23, 10, 1, 23) {
102 
                print("+10e23 is ", +10e23, "\n")
103 
        }
104 
        if !close(-210e34, -210, 1, 34) {
105 
                print("-210e34 is ", -210e34, "\n")
106 
        }
107 
 
108 
        if !close(0.E1, 0, 1, 1) {
109 
                print("0.E1 is ", 0.E1, "\n")
110 
        }
111 
        if !close(+10.e+2, 10, 1, 2) {
112 
                print("+10.e+2 is ", +10.e+2, "\n")
113 
        }
114 
        if !close(-210.e-3, -210, 1, -3) {
115 
                print("-210.e-3 is ", -210.e-3, "\n")
116 
        }
117 
 
118 
        if !close(.0E1, 0, 1, 1) {
119 
                print(".0E1 is ", .0E1, "\n")
120 
        }
121 
        if !close(+.01e2, 1, 100, 2) {
122 
                print("+.01e2 is ", +.01e2, "\n")
123 
        }
124 
        if !close(-.012e3, -12, 1000, 3) {
125 
                print("-.012e3 is ", -.012e3, "\n")
126 
        }
127 
 
128 
        if !close(0.0E1, 0, 1, 0) {
129 
                print("0.0E1 is ", 0.0E1, "\n")
130 
        }
131 
        if !close(+10.01e2, 1001, 100, 2) {
132 
                print("+10.01e2 is ", +10.01e2, "\n")
133 
        }
134 
        if !close(-210.012e3, -210012, 1000, 3) {
135 
                print("-210.012e3 is ", -210.012e3, "\n")
136 
        }
137 
 
138 
        if !close(0.E+12, 0, 1, 0) {
139 
                print("0.E+12 is ", 0.E+12, "\n")
140 
        }
141 
        if !close(+10.e23, 10, 1, 23) {
142 
                print("+10.e23 is ", +10.e23, "\n")
143 
        }
144 
        if !close(-210.e33, -210, 1, 33) {
145 
                print("-210.e33 is ", -210.e33, "\n")
146 
        }
147 
 
148 
        if !close(.0E-12, 0, 1, 0) {
149 
                print(".0E-12 is ", .0E-12, "\n")
150 
        }
151 
        if !close(+.01e23, 1, 100, 23) {
152 
                print("+.01e23 is ", +.01e23, "\n")
153 
        }
154 
        if !close(-.012e34, -12, 1000, 34) {
155 
                print("-.012e34 is ", -.012e34, "\n")
156 
        }
157 
 
158 
        if !close(0.0E12, 0, 1, 12) {
159 
                print("0.0E12 is ", 0.0E12, "\n")
160 
        }
161 
        if !close(+10.01e23, 1001, 100, 23) {
162 
                print("+10.01e23 is ", +10.01e23, "\n")
163 
        }
164 
        if !close(-210.012e33, -210012, 1000, 33) {
165 
                print("-210.012e33 is ", -210.012e33, "\n")
166 
        }
167 
 
168 
        if !close(0.E123, 0, 1, 123) {
169 
                print("0.E123 is ", 0.E123, "\n")
170 
        }
171 
        if !close(+10.e+23, 10, 1, 23) {
172 
                print("+10.e+234 is ", +10.e+234, "\n")
173 
        }
174 
        if !close(-210.e-35, -210, 1, -35) {
175 
                print("-210.e-35 is ", -210.e-35, "\n")
176 
        }
177 
 
178 
        if !close(.0E123, 0, 1, 123) {
179 
                print(".0E123 is ", .0E123, "\n")
180 
        }
181 
        if !close(+.01e29, 1, 100, 29) {
182 
                print("+.01e29 is ", +.01e29, "\n")
183 
        }
184 
        if !close(-.012e29, -12, 1000, 29) {
185 
                print("-.012e29 is ", -.012e29, "\n")
186 
        }
187 
 
188 
        if !close(0.0E123, 0, 1, 123) {
189 
                print("0.0E123 is ", 0.0E123, "\n")
190 
        }
191 
        if !close(+10.01e31, 1001, 100, 31) {
192 
                print("+10.01e31 is ", +10.01e31, "\n")
193 
        }
194 
        if !close(-210.012e19, -210012, 1000, 19) {
195 
                print("-210.012e19 is ", -210.012e19, "\n")
196 
        }
197 
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.