157 lines
4.7 KiB
C
157 lines
4.7 KiB
C
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/***************************************************************************
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*
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Copyright 2013 CertiVox UK Ltd. *
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*
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This file is part of CertiVox MIRACL Crypto SDK. *
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*
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The CertiVox MIRACL Crypto SDK provides developers with an *
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extensive and efficient set of cryptographic functions. *
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For further information about its features and functionalities please *
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refer to http://www.certivox.com *
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*
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* The CertiVox MIRACL Crypto SDK is free software: you can *
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redistribute it and/or modify it under the terms of the *
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GNU Affero General Public License as published by the *
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Free Software Foundation, either version 3 of the License, *
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or (at your option) any later version. *
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*
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* The CertiVox MIRACL Crypto SDK is distributed in the hope *
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that it will be useful, but WITHOUT ANY WARRANTY; without even the *
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
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See the GNU Affero General Public License for more details. *
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*
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* You should have received a copy of the GNU Affero General Public *
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License along with CertiVox MIRACL Crypto SDK. *
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If not, see <http://www.gnu.org/licenses/>. *
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*
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You can be released from the requirements of the license by purchasing *
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a commercial license. Buying such a license is mandatory as soon as you *
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develop commercial activities involving the CertiVox MIRACL Crypto SDK *
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without disclosing the source code of your own applications, or shipping *
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the CertiVox MIRACL Crypto SDK with a closed source product. *
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*
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***************************************************************************/
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/*
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* MIRACL flash hyperbolic trig.
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* mrflsh4.c
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*/
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#include "miracl.h"
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#ifdef MR_FLASH
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void ftanh(_MIPD_ flash x,flash y)
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{ /* calculates y=tanh(x) */
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int op[5];
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#ifdef MR_OS_THREADS
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miracl *mr_mip=get_mip();
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#endif
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copy(x,y);
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if (mr_mip->ERNUM || size(y)==0) return;
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MR_IN(63)
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fexp(_MIPP_ y,y);
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op[0]=0x33;
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op[1]=op[3]=op[4]=1;
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op[2]=(-1);
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flop(_MIPP_ y,y,op,y);
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MR_OUT
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}
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void fatanh(_MIPD_ flash x,flash y)
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{ /* calculate y=atanh(x) */
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int op[5];
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#ifdef MR_OS_THREADS
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miracl *mr_mip=get_mip();
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#endif
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copy(x,y);
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if (mr_mip->ERNUM || size(y)==0) return;
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MR_IN(64)
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fconv(_MIPP_ 1,1,mr_mip->w11);
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op[0]=0x66;
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op[1]=op[2]=op[3]=1;
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op[4]=(-1);
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flop(_MIPP_ mr_mip->w11,y,op,y);
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flog(_MIPP_ y,y);
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fpmul(_MIPP_ y,1,2,y);
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MR_OUT
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}
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void fsinh(_MIPD_ flash x,flash y)
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{ /* calculate y=sinh(x) */
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int op[5];
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#ifdef MR_OS_THREADS
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miracl *mr_mip=get_mip();
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#endif
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copy(x,y);
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if (mr_mip->ERNUM || size(y)==0) return;
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MR_IN(65)
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fexp(_MIPP_ y,y);
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op[0]=0xC6;
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op[2]=op[3]=op[4]=1;
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op[1]=(-1);
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flop(_MIPP_ y,y,op,y);
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MR_OUT
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}
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void fasinh(_MIPD_ flash x,flash y)
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{ /* calculate y=asinh(x) */
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#ifdef MR_OS_THREADS
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miracl *mr_mip=get_mip();
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#endif
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copy(x,y);
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if (mr_mip->ERNUM || size(y)==0) return;
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MR_IN(66)
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fmul(_MIPP_ y,y,mr_mip->w11);
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fincr(_MIPP_ mr_mip->w11,1,1,mr_mip->w11);
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froot(_MIPP_ mr_mip->w11,2,mr_mip->w11);
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fadd(_MIPP_ y,mr_mip->w11,y);
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flog(_MIPP_ y,y);
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MR_OUT
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}
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void fcosh(_MIPD_ flash x,flash y)
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{ /* calculate y=cosh(x) */
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int op[5];
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#ifdef MR_OS_THREADS
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miracl *mr_mip=get_mip();
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#endif
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copy(x,y);
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if (mr_mip->ERNUM || size(y)==0)
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{
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convert(_MIPP_ 1,y);
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return;
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}
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MR_IN(67)
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fexp(_MIPP_ y,y);
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op[0]=0xC6;
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op[1]=op[2]=op[3]=op[4]=1;
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flop(_MIPP_ y,y,op,y);
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MR_OUT
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}
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void facosh(_MIPD_ flash x,flash y)
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{ /* calculate y=acosh(x) */
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#ifdef MR_OS_THREADS
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miracl *mr_mip=get_mip();
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#endif
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copy(x,y);
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if (mr_mip->ERNUM) return;
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MR_IN(68)
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fmul(_MIPP_ y,y,mr_mip->w11);
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fincr(_MIPP_ mr_mip->w11,(-1),1,mr_mip->w11);
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froot(_MIPP_ mr_mip->w11,2,mr_mip->w11);
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fadd(_MIPP_ y,mr_mip->w11,y);
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flog(_MIPP_ y,y);
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MR_OUT
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}
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#endif
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