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Diffstat (limited to 'gnulib/lib/trigl.h')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/lib/trigl.h | 35 |
2 files changed, 35 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/lib/trigl.h b/gnulib/lib/trigl.h new file mode 100644 index 0000000..d71ace9 --- /dev/null +++ b/gnulib/lib/trigl.h @@ -0,0 +1,35 @@ +/* Declarations for sinl, cosl, tanl internal functions + Contributed by Paolo Bonzini + + Copyright 2002-2003, 2009-2011 Free Software Foundation, Inc. + + This file is part of gnulib. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://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); |