1 /*
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright © 2024, Synopsys Inc.
5 * Copyright © 2024, Solid Sands B.V.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * 2. Redistributions in binary form must reproduce the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer in the documentation and/or other materials provided
17 * with the distribution.
18 *
19 * 3. Neither the name of the copyright holder nor the names of its
20 * contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
26 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
27 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
28 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
32 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
34 * OF THE POSSIBILITY OF SUCH DAMAGE.
35 */
36
37 #include <stdio.h>
38 #include <math.h>
39
compare_floats(float a,float b,float tolerance)40 static int compare_floats(float a, float b, float tolerance) {
41 float diff = a - b;
42 if (diff < 0)
43 diff = -diff;
44 return diff <= tolerance;
45 }
46
main(void)47 int main(void) {
48 int res = -1;
49 int ret1 = 0;
50 int ret2 = 0;
51 float var1 = 0.0F;
52 float var2 = 0.0F;
53 float tolerance = 0.0F;
54 const float ref_out1 = 8.5F;
55 const float ref_out2 = 5.5F;
56 char strin[50];
57
58 res = sprintf(strin, "0x1.1p+3 0x1.6p+2 ");
59
60 /* Test Case 1 for %a */
61 {
62 res = sscanf(strin, "%a %a ", &var1, &var2);
63 ret1 = compare_floats(var1, ref_out1, tolerance);
64 ret2 = compare_floats(var2, ref_out2, tolerance);
65
66 if ((res != 2) || (ret1 == 0) || (ret2 == 0)) {
67 printf("Test Case 1 Failed: Failed to read the input string correctly using %%a\n");
68 return 1;
69 }
70 else {
71 printf("Test Case 1 Passed: %%a is handled correctly\n");
72 }
73 }
74
75 /* Test Case 2 for %A */
76 {
77 res = sscanf(strin, "%A %A ", &var1, &var2);
78 ret1 = compare_floats(var1, ref_out1, tolerance);
79 ret2 = compare_floats(var2, ref_out2, tolerance);
80
81 if ((res != 2) || (ret1 == 0) || (ret2 == 0)) {
82 printf("Test Case 2 Failed: Failed to read the input string correctly using %%A\n");
83 return 1;
84 }
85 else {
86 printf("Test Case 2 Passed: %%A is handled correctly\n");
87 }
88 }
89
90 return 0;
91 }
92
