1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * Copyright 2023, Michael Ellerman, IBM Corporation.
4 */
5
6 #ifndef _SELFTESTS_POWERPC_FPU_H
7 #define _SELFTESTS_POWERPC_FPU_H
8
9 static inline void randomise_darray(double *darray, int num)
10 {
11 long val;
12
13 for (int i = 0; i < num; i++) {
14 val = random();
15 if (val & 1)
16 val *= -1;
17
18 if (val & 2)
19 darray[i] = 1.0 / val;
20 else
21 darray[i] = val * val;
22 }
23 }
24
25 #endif /* _SELFTESTS_POWERPC_FPU_H */
26
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