diff options
Diffstat (limited to 'source/8086-SSE')
25 files changed, 232 insertions, 24 deletions
diff --git a/source/8086-SSE/extF80M_isSignalingNaN.c b/source/8086-SSE/extF80M_isSignalingNaN.c index 4a05f54..be3dc40 100644 --- a/source/8086-SSE/extF80M_isSignalingNaN.c +++ b/source/8086-SSE/extF80M_isSignalingNaN.c @@ -2,7 +2,7 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. All rights reserved. diff --git a/source/8086-SSE/f128M_isSignalingNaN.c b/source/8086-SSE/f128M_isSignalingNaN.c index 9ca5fea..6560615 100644 --- a/source/8086-SSE/f128M_isSignalingNaN.c +++ b/source/8086-SSE/f128M_isSignalingNaN.c @@ -2,7 +2,7 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. All rights reserved. diff --git a/source/8086-SSE/s_commonNaNToExtF80M.c b/source/8086-SSE/s_commonNaNToExtF80M.c index cbccf1d..42e6adc 100644 --- a/source/8086-SSE/s_commonNaNToExtF80M.c +++ b/source/8086-SSE/s_commonNaNToExtF80M.c @@ -2,7 +2,7 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. All rights reserved. diff --git a/source/8086-SSE/s_commonNaNToExtF80UI.c b/source/8086-SSE/s_commonNaNToExtF80UI.c index cea01d9..d88c3bf 100644 --- a/source/8086-SSE/s_commonNaNToExtF80UI.c +++ b/source/8086-SSE/s_commonNaNToExtF80UI.c @@ -2,7 +2,7 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. All rights reserved. diff --git a/source/8086-SSE/s_commonNaNToF128M.c b/source/8086-SSE/s_commonNaNToF128M.c index f54cd49..ec0301e 100644 --- a/source/8086-SSE/s_commonNaNToF128M.c +++ b/source/8086-SSE/s_commonNaNToF128M.c @@ -2,7 +2,7 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. All rights reserved. diff --git a/source/8086-SSE/s_commonNaNToF128UI.c b/source/8086-SSE/s_commonNaNToF128UI.c index 64b9e0e..256b77b 100644 --- a/source/8086-SSE/s_commonNaNToF128UI.c +++ b/source/8086-SSE/s_commonNaNToF128UI.c @@ -2,7 +2,7 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. All rights reserved. diff --git a/source/8086-SSE/s_commonNaNToF16UI.c b/source/8086-SSE/s_commonNaNToF16UI.c new file mode 100644 index 0000000..15e6dae --- /dev/null +++ b/source/8086-SSE/s_commonNaNToF16UI.c @@ -0,0 +1,51 @@ + +/*============================================================================ + +This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic +Package, Release 3b, by John R. Hauser. + +Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of +California. 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 <stdint.h> +#include "platform.h" +#include "specialize.h" + +/*---------------------------------------------------------------------------- +| Converts the common NaN pointed to by `aPtr' into a 16-bit floating-point +| NaN, and returns the bit pattern of this value as an unsigned integer. +*----------------------------------------------------------------------------*/ +uint_fast16_t softfloat_commonNaNToF16UI( const struct commonNaN *aPtr ) +{ + + return (uint_fast16_t) aPtr->sign<<15 | 0x7E00 | aPtr->v64>>54; + +} + diff --git a/source/8086-SSE/s_commonNaNToF32UI.c b/source/8086-SSE/s_commonNaNToF32UI.c index 47557ce..39c8522 100644 --- a/source/8086-SSE/s_commonNaNToF32UI.c +++ b/source/8086-SSE/s_commonNaNToF32UI.c @@ -2,7 +2,7 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. All rights reserved. diff --git a/source/8086-SSE/s_commonNaNToF64UI.c b/source/8086-SSE/s_commonNaNToF64UI.c index 7fc5dfe..bdfb0d1 100644 --- a/source/8086-SSE/s_commonNaNToF64UI.c +++ b/source/8086-SSE/s_commonNaNToF64UI.c @@ -2,7 +2,7 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. All rights reserved. diff --git a/source/8086-SSE/s_extF80MToCommonNaN.c b/source/8086-SSE/s_extF80MToCommonNaN.c index 3a4c17e..476f17e 100644 --- a/source/8086-SSE/s_extF80MToCommonNaN.c +++ b/source/8086-SSE/s_extF80MToCommonNaN.c @@ -2,7 +2,7 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. All rights reserved. diff --git a/source/8086-SSE/s_extF80UIToCommonNaN.c b/source/8086-SSE/s_extF80UIToCommonNaN.c index bae4aa7..dd63151 100644 --- a/source/8086-SSE/s_extF80UIToCommonNaN.c +++ b/source/8086-SSE/s_extF80UIToCommonNaN.c @@ -2,7 +2,7 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. All rights reserved. diff --git a/source/8086-SSE/s_f128MToCommonNaN.c b/source/8086-SSE/s_f128MToCommonNaN.c index 76dd5c5..f080fd8 100644 --- a/source/8086-SSE/s_f128MToCommonNaN.c +++ b/source/8086-SSE/s_f128MToCommonNaN.c @@ -2,7 +2,7 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. All rights reserved. diff --git a/source/8086-SSE/s_f128UIToCommonNaN.c b/source/8086-SSE/s_f128UIToCommonNaN.c index 750d22b..9c2ec2f 100644 --- a/source/8086-SSE/s_f128UIToCommonNaN.c +++ b/source/8086-SSE/s_f128UIToCommonNaN.c @@ -2,7 +2,7 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. All rights reserved. diff --git a/source/8086-SSE/s_f16UIToCommonNaN.c b/source/8086-SSE/s_f16UIToCommonNaN.c new file mode 100644 index 0000000..0b5273c --- /dev/null +++ b/source/8086-SSE/s_f16UIToCommonNaN.c @@ -0,0 +1,59 @@ + +/*============================================================================ + +This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic +Package, Release 3b, by John R. Hauser. + +Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of +California. 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 <stdint.h> +#include "platform.h" +#include "specialize.h" +#include "softfloat.h" + +/*---------------------------------------------------------------------------- +| Assuming `uiA' has the bit pattern of a 16-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_f16UIToCommonNaN( uint_fast16_t uiA, struct commonNaN *zPtr ) +{ + + if ( softfloat_isSigNaNF16UI( uiA ) ) { + softfloat_raiseFlags( softfloat_flag_invalid ); + } + zPtr->sign = uiA>>15; + zPtr->v64 = (uint_fast64_t) uiA<<54; + zPtr->v0 = 0; + +} + diff --git a/source/8086-SSE/s_f32UIToCommonNaN.c b/source/8086-SSE/s_f32UIToCommonNaN.c index 2bb28f8..0a14729 100644 --- a/source/8086-SSE/s_f32UIToCommonNaN.c +++ b/source/8086-SSE/s_f32UIToCommonNaN.c @@ -2,7 +2,7 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. All rights reserved. diff --git a/source/8086-SSE/s_f64UIToCommonNaN.c b/source/8086-SSE/s_f64UIToCommonNaN.c index 4339ce9..bb9c2fa 100644 --- a/source/8086-SSE/s_f64UIToCommonNaN.c +++ b/source/8086-SSE/s_f64UIToCommonNaN.c @@ -2,7 +2,7 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. All rights reserved. diff --git a/source/8086-SSE/s_propagateNaNExtF80M.c b/source/8086-SSE/s_propagateNaNExtF80M.c index 67d81ba..80b5897 100644 --- a/source/8086-SSE/s_propagateNaNExtF80M.c +++ b/source/8086-SSE/s_propagateNaNExtF80M.c @@ -2,7 +2,7 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. All rights reserved. diff --git a/source/8086-SSE/s_propagateNaNExtF80UI.c b/source/8086-SSE/s_propagateNaNExtF80UI.c index 16f4251..3fc1d7a 100644 --- a/source/8086-SSE/s_propagateNaNExtF80UI.c +++ b/source/8086-SSE/s_propagateNaNExtF80UI.c @@ -2,7 +2,7 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. All rights reserved. diff --git a/source/8086-SSE/s_propagateNaNF128M.c b/source/8086-SSE/s_propagateNaNF128M.c index fff5503..cf0cf69 100644 --- a/source/8086-SSE/s_propagateNaNF128M.c +++ b/source/8086-SSE/s_propagateNaNF128M.c @@ -2,7 +2,7 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. All rights reserved. diff --git a/source/8086-SSE/s_propagateNaNF128UI.c b/source/8086-SSE/s_propagateNaNF128UI.c index 6954505..d650365 100644 --- a/source/8086-SSE/s_propagateNaNF128UI.c +++ b/source/8086-SSE/s_propagateNaNF128UI.c @@ -2,7 +2,7 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. All rights reserved. diff --git a/source/8086-SSE/s_propagateNaNF16UI.c b/source/8086-SSE/s_propagateNaNF16UI.c new file mode 100644 index 0000000..7f88498 --- /dev/null +++ b/source/8086-SSE/s_propagateNaNF16UI.c @@ -0,0 +1,63 @@ + +/*============================================================================ + +This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic +Package, Release 3b, by John R. Hauser. + +Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of +California. 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 <stdbool.h> +#include <stdint.h> +#include "platform.h" +#include "internals.h" +#include "specialize.h" +#include "softfloat.h" + +/*---------------------------------------------------------------------------- +| Interpreting `uiA' and `uiB' as the bit patterns of two 16-bit floating- +| point values, at least one of which is a NaN, returns the bit pattern of +| the combined NaN result. If either `uiA' or `uiB' has the pattern of a +| signaling NaN, the invalid exception is raised. +*----------------------------------------------------------------------------*/ +uint_fast16_t + softfloat_propagateNaNF16UI( uint_fast16_t uiA, uint_fast16_t uiB ) +{ + bool isSigNaNA; + + isSigNaNA = softfloat_isSigNaNF16UI( uiA ); + if ( isSigNaNA || softfloat_isSigNaNF16UI( uiB ) ) { + softfloat_raiseFlags( softfloat_flag_invalid ); + if ( isSigNaNA ) return uiA | 0x0200; + } + return (isNaNF16UI( uiA ) ? uiA : uiB) | 0x0200; + +} + diff --git a/source/8086-SSE/s_propagateNaNF32UI.c b/source/8086-SSE/s_propagateNaNF32UI.c index 010cef8..19c8654 100644 --- a/source/8086-SSE/s_propagateNaNF32UI.c +++ b/source/8086-SSE/s_propagateNaNF32UI.c @@ -2,7 +2,7 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. All rights reserved. diff --git a/source/8086-SSE/s_propagateNaNF64UI.c b/source/8086-SSE/s_propagateNaNF64UI.c index ca5b1bd..9186fdb 100644 --- a/source/8086-SSE/s_propagateNaNF64UI.c +++ b/source/8086-SSE/s_propagateNaNF64UI.c @@ -2,7 +2,7 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. All rights reserved. diff --git a/source/8086-SSE/softfloat_raiseFlags.c b/source/8086-SSE/softfloat_raiseFlags.c index 7b5ba25..5ba1502 100644 --- a/source/8086-SSE/softfloat_raiseFlags.c +++ b/source/8086-SSE/softfloat_raiseFlags.c @@ -2,7 +2,7 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. All rights reserved. diff --git a/source/8086-SSE/specialize.h b/source/8086-SSE/specialize.h index 8a71e46..d2c6b22 100644 --- a/source/8086-SSE/specialize.h +++ b/source/8086-SSE/specialize.h @@ -2,7 +2,7 @@ /*============================================================================ This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a+, by John R. Hauser. +Package, Release 3b, by John R. Hauser. Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of California. All rights reserved. @@ -47,7 +47,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #define init_detectTininess softfloat_tininess_afterRounding /*---------------------------------------------------------------------------- -| The values to return on conversions to 32-bit integer format that raise an +| The values to return on conversions to 32-bit integer formats that raise an | invalid exception. *----------------------------------------------------------------------------*/ #define ui32_fromPosOverflow 0xFFFFFFFF @@ -58,7 +58,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #define i32_fromNaN 0x7FFFFFFF /*---------------------------------------------------------------------------- -| The values to return on conversions to 64-bit integer format that raise an +| The values to return on conversions to 64-bit integer formats that raise an | invalid exception. *----------------------------------------------------------------------------*/ #define ui64_fromPosOverflow UINT64_C( 0xFFFFFFFFFFFFFFFF ) @@ -82,6 +82,41 @@ struct commonNaN { }; /*---------------------------------------------------------------------------- +| The bit pattern for a default generated 16-bit floating-point NaN. +*----------------------------------------------------------------------------*/ +#define defaultNaNF16UI 0xFE00 + +/*---------------------------------------------------------------------------- +| Returns true when 16-bit unsigned integer `uiA' has the bit pattern of a +| 16-bit floating-point signaling NaN. +| Note: This macro evaluates its argument more than once. +*----------------------------------------------------------------------------*/ +#define softfloat_isSigNaNF16UI( uiA ) ((((uiA) & 0x7E00) == 0x7C00) && ((uiA) & 0x01FF)) + +/*---------------------------------------------------------------------------- +| Assuming `uiA' has the bit pattern of a 16-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_f16UIToCommonNaN( uint_fast16_t uiA, struct commonNaN *zPtr ); + +/*---------------------------------------------------------------------------- +| Converts the common NaN pointed to by `aPtr' into a 16-bit floating-point +| NaN, and returns the bit pattern of this value as an unsigned integer. +*----------------------------------------------------------------------------*/ +uint_fast16_t softfloat_commonNaNToF16UI( const struct commonNaN *aPtr ); + +/*---------------------------------------------------------------------------- +| Interpreting `uiA' and `uiB' as the bit patterns of two 16-bit floating- +| point values, at least one of which is a NaN, returns the bit pattern of +| the combined NaN result. If either `uiA' or `uiB' has the pattern of a +| signaling NaN, the invalid exception is raised. +*----------------------------------------------------------------------------*/ +uint_fast16_t + softfloat_propagateNaNF16UI( uint_fast16_t uiA, uint_fast16_t uiB ); + +/*---------------------------------------------------------------------------- | The bit pattern for a default generated 32-bit floating-point NaN. *----------------------------------------------------------------------------*/ #define defaultNaNF32UI 0xFFC00000 |