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Diffstat (limited to 'source/luametatex/source/libraries/softposit/source/pX2_mulAdd.c')
| -rw-r--r-- | source/luametatex/source/libraries/softposit/source/pX2_mulAdd.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/source/luametatex/source/libraries/softposit/source/pX2_mulAdd.c b/source/luametatex/source/libraries/softposit/source/pX2_mulAdd.c new file mode 100644 index 000000000..6090bc7e3 --- /dev/null +++ b/source/luametatex/source/libraries/softposit/source/pX2_mulAdd.c @@ -0,0 +1,56 @@ +/*============================================================================ + +This C source file is part of the SoftPosit Posit Arithmetic Package +by S. H. Leong (Cerlane). + +Copyright 2017, 2018 A*STAR. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions, and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright notice, + this list of conditions, and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3. Neither the name of the University nor the names of its contributors may + be used to endorse or promote products derived from this software without + specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY +EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE +DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +=============================================================================*/ + +#include "platform.h" +#include "internals.h" + +posit_2_t pX2_mulAdd( posit_2_t a, posit_2_t b, posit_2_t c, int x ) { + //a*b + c + union ui32_pX2 uA; + uint_fast32_t uiA; + union ui32_pX2 uB; + uint_fast32_t uiB; + union ui32_pX2 uC; + uint_fast32_t uiC; + + uA.p = a; + uiA = uA.ui; + uB.p = b; + uiB = uB.ui; + uC.p = c; + uiC = uC.ui; + return softposit_mulAddPX2( uiA, uiB, uiC, 0, x); + +} + |