unsigned int
sgl_fsqrt(
    sgl_floating_point *srcptr,
    unsigned int *nullptr,
    sgl_floating_point *dstptr,
    unsigned int *status)
unsigned int
sgl_fsqrt(
    sgl_floating_point *srcptr,
    unsigned int *_nullptr,
    sgl_floating_point *dstptr,
    unsigned int *status)