pmt: initial 3.0.2 update

include/libgnulib/trigl.h

@@ -0,0 +1,35 @@
+/* Declarations for sinl, cosl, tanl internal functions.  -*- coding: utf-8 -*-
+   Contributed by Paolo Bonzini
+
+   Copyright 2002-2003, 2009-2024 Free Software Foundation, Inc.
+
+   This file is part of gnulib.
+
+   This file 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 3 of the
+   License, or (at your option) any later version.
+
+   This file 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 this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+/* Decompose x into x = k * π/2 + r
+   where k is an integer and abs(r) <= π/4.
+   Store r in y[0] and y[1] (main part in y[0], small additional part in
+   y[1], r = y[0] + y[1]).
+   Return k.  */
+extern int ieee754_rem_pio2l (long double x, long double *y);
+
+/* Compute and return sinl (x + y), where x is the main part and y is the
+   small additional part of a floating-point number.
+   iy is 0 when y is known to be 0.0, otherwise iy is 1.  */
+extern long double kernel_sinl (long double x, long double y, int iy);
+
+/* Compute and return cosl (x + y), where x is the main part and y is the
+   small additional part of a floating-point number.  */
+extern long double kernel_cosl (long double x, long double y);