/*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic Package, Release 3, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California (Regents). All Rights Reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: Redistributions of source code must retain the above copyright notice, this list of conditions, and the following two paragraphs of disclaimer. Redistributions in binary form must reproduce the above copyright notice, this list of conditions, and the following two paragraphs of disclaimer in the documentation and/or other materials provided with the distribution. Neither the name of the Regents nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. IN NO EVENT SHALL REGENTS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF REGENTS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. REGENTS SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE AND ACCOMPANYING DOCUMENTATION, IF ANY, PROVIDED HEREUNDER IS PROVIDED "AS IS". REGENTS HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. =============================================================================*/ #include #include "platform.h" #include "specialize.h" #include "softfloat.h" /*---------------------------------------------------------------------------- | Assuming `uiA' has the bit pattern of a 32-bit floating-point NaN, converts | this NaN to the common NaN form, and stores the resulting common NaN at the | location pointed to by `zPtr'. If the NaN is a signaling NaN, the invalid | exception is raised. *----------------------------------------------------------------------------*/ void softfloat_f32UIToCommonNaN( uint_fast32_t uiA, struct commonNaN *zPtr ) { if ( softfloat_isSigNaNF32UI( uiA ) ) { softfloat_raiseFlags( softfloat_flag_invalid ); } zPtr->sign = uiA>>31; zPtr->v64 = (uint_fast64_t) uiA<<41; zPtr->v0 = 0; }