fpu.h

 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
 9static 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 */