/* Square root of long double (ldbl-128) value, narrowing the result to float, using soft-fp. Copyright (C) 2021-2023 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #define f32sqrtf64x __hide_f32sqrtf64x #define f32sqrtf128 __hide_f32sqrtf128 #include #undef f32sqrtf64x #undef f32sqrtf128 #include #include #include #include float __fsqrtl (_Float128 x) { FP_DECL_EX; FP_DECL_Q (X); FP_DECL_Q (R); FP_DECL_S (RN); float ret; FP_INIT_ROUNDMODE; FP_UNPACK_Q (X, x); FP_SQRT_Q (R, X); #if _FP_W_TYPE_SIZE < 64 FP_TRUNC_COOKED (S, Q, 1, 4, RN, R); #else FP_TRUNC_COOKED (S, Q, 1, 2, RN, R); #endif FP_PACK_S (ret, RN); FP_HANDLE_EXCEPTIONS; CHECK_NARROW_SQRT (ret, x); return ret; } libm_alias_float_ldouble (sqrt)