1(* 2 Title: Standard Basis Library: Math Signature. 3 Author: David Matthews 4 Copyright David Matthews 2000 5 6 This library is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Lesser General Public 8 License as published by the Free Software Foundation; either 9 version 2.1 of the License, or (at your option) any later version. 10 11 This library is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Lesser General Public License for more details. 15 16 You should have received a copy of the GNU Lesser General Public 17 License along with this library; if not, write to the Free Software 18 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 19*) 20 21(* G&R 2004 status: checked, no change required. *) 22 23signature MATH = 24sig 25 type real 26 val pi : real 27 val e : real 28 val sqrt : real -> real 29 val sin : real -> real 30 val cos : real -> real 31 val tan : real -> real 32 val asin : real -> real 33 val acos : real -> real 34 val atan : real -> real 35 val atan2 : (real * real) -> real 36 val exp : real -> real 37 val pow : (real * real) -> real 38 val ln : real -> real 39 val log10 : real -> real 40 val sinh : real -> real 41 val cosh : real -> real 42 val tanh : real -> real 43end; 44