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+
+/*============================================================================
+
+This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3e, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2018 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.
+
+=============================================================================*/
+
+#ifndef specialize_h
+#define specialize_h 1
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "primitiveTypes.h"
+#include "softfloat.h"
+
+/*----------------------------------------------------------------------------
+| Default value for 'softfloat_detectTininess'.
+*----------------------------------------------------------------------------*/
+#define init_detectTininess softfloat_tininess_afterRounding
+
+/*----------------------------------------------------------------------------
+| The values to return on conversions to 32-bit integer formats that raise an
+| invalid exception.
+*----------------------------------------------------------------------------*/
+#define ui32_fromPosOverflow 0xFFFFFFFF
+#define ui32_fromNegOverflow 0xFFFFFFFF
+#define ui32_fromNaN 0xFFFFFFFF
+#define i32_fromPosOverflow (-0x7FFFFFFF - 1)
+#define i32_fromNegOverflow (-0x7FFFFFFF - 1)
+#define i32_fromNaN (-0x7FFFFFFF - 1)
+
+/*----------------------------------------------------------------------------
+| The values to return on conversions to 64-bit integer formats that raise an
+| invalid exception.
+*----------------------------------------------------------------------------*/
+#define ui64_fromPosOverflow UINT64_C( 0xFFFFFFFFFFFFFFFF )
+#define ui64_fromNegOverflow UINT64_C( 0xFFFFFFFFFFFFFFFF )
+#define ui64_fromNaN UINT64_C( 0xFFFFFFFFFFFFFFFF )
+#define i64_fromPosOverflow (-INT64_C( 0x7FFFFFFFFFFFFFFF ) - 1)
+#define i64_fromNegOverflow (-INT64_C( 0x7FFFFFFFFFFFFFFF ) - 1)
+#define i64_fromNaN (-INT64_C( 0x7FFFFFFFFFFFFFFF ) - 1)
+
+/*----------------------------------------------------------------------------
+| "Common NaN" structure, used to transfer NaN representations from one format
+| to another.
+*----------------------------------------------------------------------------*/
+struct commonNaN {
+ bool sign;
+#ifdef LITTLEENDIAN
+ uint64_t v0, v64;
+#else
+ uint64_t v64, v0;
+#endif
+};
+
+/*----------------------------------------------------------------------------
+| 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 SOFTFLOAT_STATE_DECL_COMMA );
+
+/*----------------------------------------------------------------------------
+| 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 SOFTFLOAT_STATE_DECL_COMMA );
+
+/*----------------------------------------------------------------------------
+| The bit pattern for a default generated 32-bit floating-point NaN.
+*----------------------------------------------------------------------------*/
+#define defaultNaNF32UI 0xFFC00000
+
+/*----------------------------------------------------------------------------
+| Returns true when 32-bit unsigned integer 'uiA' has the bit pattern of a
+| 32-bit floating-point signaling NaN.
+| Note: This macro evaluates its argument more than once.
+*----------------------------------------------------------------------------*/
+#define softfloat_isSigNaNF32UI( uiA ) ((((uiA) & 0x7FC00000) == 0x7F800000) && ((uiA) & 0x003FFFFF))
+
+/*----------------------------------------------------------------------------
+| 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 SOFTFLOAT_STATE_DECL_COMMA );
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by 'aPtr' into a 32-bit floating-point
+| NaN, and returns the bit pattern of this value as an unsigned integer.
+*----------------------------------------------------------------------------*/
+uint_fast32_t softfloat_commonNaNToF32UI( const struct commonNaN *aPtr );
+
+/*----------------------------------------------------------------------------
+| Interpreting 'uiA' and 'uiB' as the bit patterns of two 32-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_fast32_t
+ softfloat_propagateNaNF32UI( uint_fast32_t uiA, uint_fast32_t uiB SOFTFLOAT_STATE_DECL_COMMA );
+
+/*----------------------------------------------------------------------------
+| The bit pattern for a default generated 64-bit floating-point NaN.
+*----------------------------------------------------------------------------*/
+#define defaultNaNF64UI UINT64_C( 0xFFF8000000000000 )
+
+/*----------------------------------------------------------------------------
+| Returns true when 64-bit unsigned integer 'uiA' has the bit pattern of a
+| 64-bit floating-point signaling NaN.
+| Note: This macro evaluates its argument more than once.
+*----------------------------------------------------------------------------*/
+#define softfloat_isSigNaNF64UI( uiA ) ((((uiA) & UINT64_C( 0x7FF8000000000000 )) == UINT64_C( 0x7FF0000000000000 )) && ((uiA) & UINT64_C( 0x0007FFFFFFFFFFFF )))
+
+/*----------------------------------------------------------------------------
+| Assuming 'uiA' has the bit pattern of a 64-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_f64UIToCommonNaN( uint_fast64_t uiA, struct commonNaN *zPtr SOFTFLOAT_STATE_DECL_COMMA );
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by 'aPtr' into a 64-bit floating-point
+| NaN, and returns the bit pattern of this value as an unsigned integer.
+*----------------------------------------------------------------------------*/
+uint_fast64_t softfloat_commonNaNToF64UI( const struct commonNaN *aPtr );
+
+/*----------------------------------------------------------------------------
+| Interpreting 'uiA' and 'uiB' as the bit patterns of two 64-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_fast64_t
+ softfloat_propagateNaNF64UI( uint_fast64_t uiA, uint_fast64_t uiB SOFTFLOAT_STATE_DECL_COMMA );
+
+/*----------------------------------------------------------------------------
+| The bit pattern for a default generated 80-bit extended floating-point NaN.
+*----------------------------------------------------------------------------*/
+#define defaultNaNExtF80UI64 0xFFFF
+#define defaultNaNExtF80UI0 UINT64_C( 0xC000000000000000 )
+
+/*----------------------------------------------------------------------------
+| Returns true when the 80-bit unsigned integer formed from concatenating
+| 16-bit 'uiA64' and 64-bit 'uiA0' has the bit pattern of an 80-bit extended
+| floating-point signaling NaN.
+| Note: This macro evaluates its arguments more than once.
+*----------------------------------------------------------------------------*/
+#define softfloat_isSigNaNExtF80UI( uiA64, uiA0 ) ((((uiA64) & 0x7FFF) == 0x7FFF) && ! ((uiA0) & UINT64_C( 0x4000000000000000 )) && ((uiA0) & UINT64_C( 0x3FFFFFFFFFFFFFFF )))
+
+#ifdef SOFTFLOAT_FAST_INT64
+
+/*----------------------------------------------------------------------------
+| The following functions are needed only when 'SOFTFLOAT_FAST_INT64' is
+| defined.
+*----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+| Assuming the unsigned integer formed from concatenating 'uiA64' and 'uiA0'
+| has the bit pattern of an 80-bit extended 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_extF80UIToCommonNaN(
+ uint_fast16_t uiA64, uint_fast64_t uiA0, struct commonNaN *zPtr SOFTFLOAT_STATE_DECL_COMMA );
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by 'aPtr' into an 80-bit extended
+| floating-point NaN, and returns the bit pattern of this value as an unsigned
+| integer.
+*----------------------------------------------------------------------------*/
+struct uint128 softfloat_commonNaNToExtF80UI( const struct commonNaN *aPtr );
+
+/*----------------------------------------------------------------------------
+| Interpreting the unsigned integer formed from concatenating 'uiA64' and
+| 'uiA0' as an 80-bit extended floating-point value, and likewise interpreting
+| the unsigned integer formed from concatenating 'uiB64' and 'uiB0' as another
+| 80-bit extended floating-point value, and assuming at least on of these
+| floating-point values is a NaN, returns the bit pattern of the combined NaN
+| result. If either original floating-point value is a signaling NaN, the
+| invalid exception is raised.
+*----------------------------------------------------------------------------*/
+struct uint128
+ softfloat_propagateNaNExtF80UI(
+ uint_fast16_t uiA64,
+ uint_fast64_t uiA0,
+ uint_fast16_t uiB64,
+ uint_fast64_t uiB0
+ SOFTFLOAT_STATE_DECL_COMMA
+ );
+
+/*----------------------------------------------------------------------------
+| The bit pattern for a default generated 128-bit floating-point NaN.
+*----------------------------------------------------------------------------*/
+#define defaultNaNF128UI64 UINT64_C( 0xFFFF800000000000 )
+#define defaultNaNF128UI0 UINT64_C( 0 )
+
+/*----------------------------------------------------------------------------
+| Returns true when the 128-bit unsigned integer formed from concatenating
+| 64-bit 'uiA64' and 64-bit 'uiA0' has the bit pattern of a 128-bit floating-
+| point signaling NaN.
+| Note: This macro evaluates its arguments more than once.
+*----------------------------------------------------------------------------*/
+#define softfloat_isSigNaNF128UI( uiA64, uiA0 ) ((((uiA64) & UINT64_C( 0x7FFF800000000000 )) == UINT64_C( 0x7FFF000000000000 )) && ((uiA0) || ((uiA64) & UINT64_C( 0x00007FFFFFFFFFFF ))))
+
+/*----------------------------------------------------------------------------
+| Assuming the unsigned integer formed from concatenating 'uiA64' and 'uiA0'
+| has the bit pattern of a 128-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_f128UIToCommonNaN(
+ uint_fast64_t uiA64, uint_fast64_t uiA0, struct commonNaN *zPtr SOFTFLOAT_STATE_DECL_COMMA );
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by 'aPtr' into a 128-bit floating-point
+| NaN, and returns the bit pattern of this value as an unsigned integer.
+*----------------------------------------------------------------------------*/
+struct uint128 softfloat_commonNaNToF128UI( const struct commonNaN * );
+
+/*----------------------------------------------------------------------------
+| Interpreting the unsigned integer formed from concatenating 'uiA64' and
+| 'uiA0' as a 128-bit floating-point value, and likewise interpreting the
+| unsigned integer formed from concatenating 'uiB64' and 'uiB0' as another
+| 128-bit floating-point value, and assuming at least on of these floating-
+| point values is a NaN, returns the bit pattern of the combined NaN result.
+| If either original floating-point value is a signaling NaN, the invalid
+| exception is raised.
+*----------------------------------------------------------------------------*/
+struct uint128
+ softfloat_propagateNaNF128UI(
+ uint_fast64_t uiA64,
+ uint_fast64_t uiA0,
+ uint_fast64_t uiB64,
+ uint_fast64_t uiB0
+ SOFTFLOAT_STATE_DECL_COMMA
+ );
+
+#else
+
+/*----------------------------------------------------------------------------
+| The following functions are needed only when 'SOFTFLOAT_FAST_INT64' is not
+| defined.
+*----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+| Assuming the 80-bit extended floating-point value pointed to by 'aSPtr' is
+| a 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_extF80MToCommonNaN(
+ const struct extFloat80M *aSPtr, struct commonNaN *zPtr SOFTFLOAT_STATE_DECL_COMMA );
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by 'aPtr' into an 80-bit extended
+| floating-point NaN, and stores this NaN at the location pointed to by
+| 'zSPtr'.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_commonNaNToExtF80M(
+ const struct commonNaN *aPtr, struct extFloat80M *zSPtr );
+
+/*----------------------------------------------------------------------------
+| Assuming at least one of the two 80-bit extended floating-point values
+| pointed to by 'aSPtr' and 'bSPtr' is a NaN, stores the combined NaN result
+| at the location pointed to by 'zSPtr'. If either original floating-point
+| value is a signaling NaN, the invalid exception is raised.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_propagateNaNExtF80M(
+ const struct extFloat80M *aSPtr,
+ const struct extFloat80M *bSPtr,
+ struct extFloat80M *zSPtr
+ SOFTFLOAT_STATE_DECL_COMMA
+ );
+
+/*----------------------------------------------------------------------------
+| The bit pattern for a default generated 128-bit floating-point NaN.
+*----------------------------------------------------------------------------*/
+#define defaultNaNF128UI96 0xFFFF8000
+#define defaultNaNF128UI64 0
+#define defaultNaNF128UI32 0
+#define defaultNaNF128UI0 0
+
+/*----------------------------------------------------------------------------
+| Assuming the 128-bit floating-point value pointed to by 'aWPtr' is a 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. Argument 'aWPtr' points to an array of
+| four 32-bit elements that concatenate in the platform's normal endian order
+| to form a 128-bit floating-point value.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_f128MToCommonNaN( const uint32_t *aWPtr, struct commonNaN *zPtr SOFTFLOAT_STATE_DECL_COMMA );
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by 'aPtr' into a 128-bit floating-point
+| NaN, and stores this NaN at the location pointed to by 'zWPtr'. Argument
+| 'zWPtr' points to an array of four 32-bit elements that concatenate in the
+| platform's normal endian order to form a 128-bit floating-point value.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_commonNaNToF128M( const struct commonNaN *aPtr, uint32_t *zWPtr );
+
+/*----------------------------------------------------------------------------
+| Assuming at least one of the two 128-bit floating-point values pointed to by
+| 'aWPtr' and 'bWPtr' is a NaN, stores the combined NaN result at the location
+| pointed to by 'zWPtr'. If either original floating-point value is a
+| signaling NaN, the invalid exception is raised. Each of 'aWPtr', 'bWPtr',
+| and 'zWPtr' points to an array of four 32-bit elements that concatenate in
+| the platform's normal endian order to form a 128-bit floating-point value.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_propagateNaNF128M(
+ const uint32_t *aWPtr, const uint32_t *bWPtr, uint32_t *zWPtr SOFTFLOAT_STATE_DECL_COMMA );
+
+#endif
+
+#endif
+