C++ (Cpp) FP_SQRT_Q示例

示例#1

文件： q_sqrt.c 项目： Akheon23/chromecast-mirrored-source.toolchain

long double _q_sqrt(const long double a)
{
  FP_DECL_EX;
  FP_DECL_Q(A); FP_DECL_Q(C);
  long double c;

  FP_INIT_ROUNDMODE;
  FP_UNPACK_Q(A, a);
  FP_SQRT_Q(C, A);
  FP_PACK_Q(c, C);
  FP_HANDLE_EXCEPTIONS;
  return c;
}

示例#2

文件： sqrttf2.c 项目： christianrober/R05R4-RC2

long double __sqrttf2(long double a)
{
  FP_DECL_EX;
  FP_DECL_Q(A); FP_DECL_Q(R);
  long double r;

  FP_INIT_ROUNDMODE;
  FP_UNPACK_Q(A, a);
  FP_SQRT_Q(R, A);
  FP_PACK_Q(r, R);
  FP_HANDLE_EXCEPTIONS;

  return r;
}

示例#3

文件： e_sqrtl.c 项目： Akheon23/chromecast-mirrored-source.toolchain

long double
__ieee754_sqrtl (const long double a)
{
  FP_DECL_EX;
  FP_DECL_Q(A); FP_DECL_Q(C);
  long double c;
  long _round = 4;	/* dynamic rounding */

  FP_INIT_ROUNDMODE;
  FP_UNPACK_Q(A, a);
  FP_SQRT_Q(C, A);
  FP_PACK_Q(c, C);
  FP_HANDLE_EXCEPTIONS;
  return c;
}

示例#4

文件： qp_sqrt.c 项目： riscv/riscv-glibc

void _Qp_sqrt(long double *c, const long double *a)
{
  FP_DECL_EX;
  FP_DECL_Q(A); FP_DECL_Q(C);

  FP_INIT_ROUNDMODE;
  FP_UNPACK_QP(A, a);
  FP_SQRT_Q(C, A);
  FP_PACK_QP(c, C);
  QP_HANDLE_EXCEPTIONS(__asm (
"	ldd [%1], %%f52\n"
"	ldd [%1+8], %%f54\n"
"	fsqrtq %%f52, %%f60\n"
"	std %%f60, [%0]\n"
"	std %%f62, [%0+8]\n"
"	" : : "r" (c), "r" (a) : QP_CLOBBER));
}