OpenCloudOS-Kernel/arch/nds32/math-emu/fsqrtd.c

22 lines
386 B
C

// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2005-2018 Andes Technology Corporation
#include <linux/uaccess.h>
#include <asm/sfp-machine.h>
#include <math-emu/soft-fp.h>
#include <math-emu/double.h>
void fsqrtd(void *ft, void *fa)
{
FP_DECL_D(A);
FP_DECL_D(R);
FP_DECL_EX;
FP_UNPACK_DP(A, fa);
FP_SQRT_D(R, A);
FP_PACK_DP(ft, R);
__FPU_FPCSR |= FP_CUR_EXCEPTIONS;
}