Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

#include <linux/types.h>

#include <linux/errno.h>

#include <asm/uaccess.h>

#include "soft-fp.h"

#include "double.h"

int

fsqrt(void *frD, void *frB)

{

        FP_DECL_D(B);

        FP_DECL_D(R);

        int ret = 0;

#ifdef DEBUG

        printk("%s: %p %p %p %p\n", __FUNCTION__, frD, frB);

#endif

        __FP_UNPACK_D(B, frB);

#ifdef DEBUG

        printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c);

#endif

        if (B_s && B_c != FP_CLS_ZERO)

                ret |= EFLAG_VXSQRT;

        if (B_c == FP_CLS_NAN)

                ret |= EFLAG_VXSNAN;

        FP_SQRT_D(R, B);

#ifdef DEBUG

        printk("R: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c);

#endif

        return (ret | __FP_PACK_D(frD, R));

}