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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, 2017 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 internals_h
+#define internals_h 1
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "primitives.h"
+#include "softfloat_types.h"
+
+union ui16_f16 { uint16_t ui; float16_t f; };
+union ui32_f32 { uint32_t ui; float32_t f; };
+union ui64_f64 { uint64_t ui; float64_t f; };
+
+#ifdef SOFTFLOAT_FAST_INT64
+union extF80M_extF80 { struct extFloat80M fM; extFloat80_t f; };
+# define EXTF80M_EXTF80_INIT( a_signExp, a_signif ) { EXTFLOAT80M_INIT( a_signExp, a_signif ) } /* VBox */
+# define EXTF80M_EXTF80_INIT3( a_sign, a_signif, a_exp ) { EXTFLOAT80M_INIT3( a_sign, a_signif, a_exp ) } /* VBox */
+# define EXTF80M_EXTF80_INIT_C( a_signExp, a_signif ) { EXTFLOAT80M_INIT_C( a_signExp, a_signif ) } /* VBox */
+# define EXTF80M_EXTF80_INIT3_C( a_sign, a_signif, a_exp ) { EXTFLOAT80M_INIT3_C( a_sign, a_signif, a_exp ) } /* VBox */
+union ui128_f128 { struct uint128 ui; float128_t f; };
+#endif
+
+enum {
+ softfloat_mulAdd_subC = 1,
+ softfloat_mulAdd_subProd = 2
+};
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+uint_fast32_t softfloat_roundToUI32( bool, uint_fast64_t, uint_fast8_t, bool SOFTFLOAT_STATE_DECL_COMMA );
+
+#ifdef SOFTFLOAT_FAST_INT64
+uint_fast64_t
+ softfloat_roundToUI64(
+ bool, uint_fast64_t, uint_fast64_t, uint_fast8_t, bool SOFTFLOAT_STATE_DECL_COMMA );
+#else
+uint_fast64_t softfloat_roundMToUI64( bool, uint32_t *, uint_fast8_t, bool SOFTFLOAT_STATE_DECL_COMMA );
+#endif
+
+int_fast32_t softfloat_roundToI32( bool, uint_fast64_t, uint_fast8_t, bool SOFTFLOAT_STATE_DECL_COMMA );
+
+#ifdef SOFTFLOAT_FAST_INT64
+int_fast64_t
+ softfloat_roundToI64(
+ bool, uint_fast64_t, uint_fast64_t, uint_fast8_t, bool SOFTFLOAT_STATE_DECL_COMMA );
+#else
+int_fast64_t softfloat_roundMToI64( bool, uint32_t *, uint_fast8_t, bool SOFTFLOAT_STATE_DECL_COMMA );
+#endif
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+#define signF16UI( a ) ((bool) ((uint16_t) (a)>>15))
+#define expF16UI( a ) ((int_fast8_t) ((a)>>10) & 0x1F)
+#define fracF16UI( a ) ((a) & 0x03FF)
+#define packToF16UI( sign, exp, sig ) (((uint16_t) (sign)<<15) + ((uint16_t) (exp)<<10) + (sig))
+
+#define isNaNF16UI( a ) (((~(a) & 0x7C00) == 0) && ((a) & 0x03FF))
+
+struct exp8_sig16 { int_fast8_t exp; uint_fast16_t sig; };
+struct exp8_sig16 softfloat_normSubnormalF16Sig( uint_fast16_t );
+
+float16_t softfloat_roundPackToF16( bool, int_fast16_t, uint_fast16_t SOFTFLOAT_STATE_DECL_COMMA );
+float16_t softfloat_normRoundPackToF16( bool, int_fast16_t, uint_fast16_t SOFTFLOAT_STATE_DECL_COMMA );
+
+float16_t softfloat_addMagsF16( uint_fast16_t, uint_fast16_t SOFTFLOAT_STATE_DECL_COMMA );
+float16_t softfloat_subMagsF16( uint_fast16_t, uint_fast16_t SOFTFLOAT_STATE_DECL_COMMA );
+float16_t
+ softfloat_mulAddF16(
+ uint_fast16_t, uint_fast16_t, uint_fast16_t, uint_fast8_t SOFTFLOAT_STATE_DECL_COMMA );
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+#define signF32UI( a ) ((bool) ((uint32_t) (a)>>31))
+#define expF32UI( a ) ((int_fast16_t) ((a)>>23) & 0xFF)
+#define fracF32UI( a ) ((a) & 0x007FFFFF)
+#define packToF32UI( sign, exp, sig ) (((uint32_t) (sign)<<31) + ((uint32_t) (exp)<<23) + (sig))
+
+#define isNaNF32UI( a ) (((~(a) & 0x7F800000) == 0) && ((a) & 0x007FFFFF))
+
+struct exp16_sig32 { int_fast16_t exp; uint_fast32_t sig; };
+struct exp16_sig32 softfloat_normSubnormalF32Sig( uint_fast32_t );
+
+float32_t softfloat_roundPackToF32( bool, int_fast16_t, uint_fast32_t SOFTFLOAT_STATE_DECL_COMMA );
+float32_t softfloat_normRoundPackToF32( bool, int_fast16_t, uint_fast32_t SOFTFLOAT_STATE_DECL_COMMA );
+
+float32_t softfloat_addMagsF32( uint_fast32_t, uint_fast32_t SOFTFLOAT_STATE_DECL_COMMA );
+float32_t softfloat_subMagsF32( uint_fast32_t, uint_fast32_t SOFTFLOAT_STATE_DECL_COMMA );
+float32_t
+ softfloat_mulAddF32(
+ uint_fast32_t, uint_fast32_t, uint_fast32_t, uint_fast8_t SOFTFLOAT_STATE_DECL_COMMA );
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+#define signF64UI( a ) ((bool) ((uint64_t) (a)>>63))
+#define expF64UI( a ) ((int_fast16_t) ((a)>>52) & 0x7FF)
+#define fracF64UI( a ) ((a) & UINT64_C( 0x000FFFFFFFFFFFFF ))
+#define packToF64UI( sign, exp, sig ) ((uint64_t) (((uint_fast64_t) (sign)<<63) + ((uint_fast64_t) (exp)<<52) + (sig)))
+
+#define isNaNF64UI( a ) (((~(a) & UINT64_C( 0x7FF0000000000000 )) == 0) && ((a) & UINT64_C( 0x000FFFFFFFFFFFFF )))
+
+struct exp16_sig64 { int_fast16_t exp; uint_fast64_t sig; };
+struct exp16_sig64 softfloat_normSubnormalF64Sig( uint_fast64_t );
+
+float64_t softfloat_roundPackToF64( bool, int_fast16_t, uint_fast64_t SOFTFLOAT_STATE_DECL_COMMA );
+float64_t softfloat_normRoundPackToF64( bool, int_fast16_t, uint_fast64_t SOFTFLOAT_STATE_DECL_COMMA );
+
+float64_t softfloat_addMagsF64( uint_fast64_t, uint_fast64_t, bool SOFTFLOAT_STATE_DECL_COMMA );
+float64_t softfloat_subMagsF64( uint_fast64_t, uint_fast64_t, bool SOFTFLOAT_STATE_DECL_COMMA );
+float64_t
+ softfloat_mulAddF64(
+ uint_fast64_t, uint_fast64_t, uint_fast64_t, uint_fast8_t SOFTFLOAT_STATE_DECL_COMMA );
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+#define signExtF80UI64( a64 ) ((bool) ((uint16_t) (a64)>>15))
+#define expExtF80UI64( a64 ) ((a64) & 0x7FFF)
+#define packToExtF80UI64( sign, exp ) ((uint_fast16_t) (sign)<<15 | (exp))
+
+#define isNaNExtF80UI( a64, a0 ) ((((a64) & 0x7FFF) == 0x7FFF) && ((a0) & UINT64_C( 0x7FFFFFFFFFFFFFFF )))
+
+#ifdef SOFTFLOAT_FAST_INT64
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+
+struct exp32_sig64 { int_fast32_t exp; uint64_t sig; };
+struct exp32_sig64 softfloat_normSubnormalExtF80Sig( uint_fast64_t );
+
+extFloat80_t
+ softfloat_roundPackToExtF80(
+ bool, int_fast32_t, uint_fast64_t, uint_fast64_t, uint_fast8_t SOFTFLOAT_STATE_DECL_COMMA );
+extFloat80_t
+ softfloat_normRoundPackToExtF80(
+ bool, int_fast32_t, uint_fast64_t, uint_fast64_t, uint_fast8_t SOFTFLOAT_STATE_DECL_COMMA );
+
+extFloat80_t
+ softfloat_addMagsExtF80(
+ uint_fast16_t, uint_fast64_t, uint_fast16_t, uint_fast64_t, bool SOFTFLOAT_STATE_DECL_COMMA );
+extFloat80_t
+ softfloat_subMagsExtF80(
+ uint_fast16_t, uint_fast64_t, uint_fast16_t, uint_fast64_t, bool SOFTFLOAT_STATE_DECL_COMMA );
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+#define signF128UI64( a64 ) ((bool) ((uint64_t) (a64)>>63))
+#define expF128UI64( a64 ) ((int_fast32_t) ((a64)>>48) & 0x7FFF)
+#define fracF128UI64( a64 ) ((a64) & UINT64_C( 0x0000FFFFFFFFFFFF ))
+#define packToF128UI64( sign, exp, sig64 ) (((uint_fast64_t) (sign)<<63) + ((uint_fast64_t) (exp)<<48) + (sig64))
+
+#define isNaNF128UI( a64, a0 ) (((~(a64) & UINT64_C( 0x7FFF000000000000 )) == 0) && (a0 || ((a64) & UINT64_C( 0x0000FFFFFFFFFFFF ))))
+
+struct exp32_sig128 { int_fast32_t exp; struct uint128 sig; };
+struct exp32_sig128
+ softfloat_normSubnormalF128Sig( uint_fast64_t, uint_fast64_t );
+
+float128_t
+ softfloat_roundPackToF128(
+ bool, int_fast32_t, uint_fast64_t, uint_fast64_t, uint_fast64_t SOFTFLOAT_STATE_DECL_COMMA );
+float128_t
+ softfloat_normRoundPackToF128(
+ bool, int_fast32_t, uint_fast64_t, uint_fast64_t SOFTFLOAT_STATE_DECL_COMMA );
+
+float128_t
+ softfloat_addMagsF128(
+ uint_fast64_t, uint_fast64_t, uint_fast64_t, uint_fast64_t, bool SOFTFLOAT_STATE_DECL_COMMA );
+float128_t
+ softfloat_subMagsF128(
+ uint_fast64_t, uint_fast64_t, uint_fast64_t, uint_fast64_t, bool SOFTFLOAT_STATE_DECL_COMMA );
+float128_t
+ softfloat_mulAddF128(
+ uint_fast64_t,
+ uint_fast64_t,
+ uint_fast64_t,
+ uint_fast64_t,
+ uint_fast64_t,
+ uint_fast64_t,
+ uint_fast8_t
+ SOFTFLOAT_STATE_DECL_COMMA
+ );
+
+#else
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+
+bool
+ softfloat_tryPropagateNaNExtF80M(
+ const struct extFloat80M *,
+ const struct extFloat80M *,
+ struct extFloat80M *
+ SOFTFLOAT_STATE_DECL_COMMA
+ );
+void softfloat_invalidExtF80M( struct extFloat80M * SOFTFLOAT_STATE_DECL_COMMA );
+
+int softfloat_normExtF80SigM( uint64_t * );
+
+void
+ softfloat_roundPackMToExtF80M(
+ bool, int32_t, uint32_t *, uint_fast8_t, struct extFloat80M * SOFTFLOAT_STATE_DECL_COMMA );
+void
+ softfloat_normRoundPackMToExtF80M(
+ bool, int32_t, uint32_t *, uint_fast8_t, struct extFloat80M * SOFTFLOAT_STATE_DECL_COMMA );
+
+void
+ softfloat_addExtF80M(
+ const struct extFloat80M *,
+ const struct extFloat80M *,
+ struct extFloat80M *,
+ bool
+ SOFTFLOAT_STATE_DECL_COMMA
+ );
+
+int
+ softfloat_compareNonnormExtF80M(
+ const struct extFloat80M *, const struct extFloat80M * SOFTFLOAT_STATE_DECL_COMMA );
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+#define signF128UI96( a96 ) ((bool) ((uint32_t) (a96)>>31))
+#define expF128UI96( a96 ) ((int32_t) ((a96)>>16) & 0x7FFF)
+#define fracF128UI96( a96 ) ((a96) & 0x0000FFFF)
+#define packToF128UI96( sign, exp, sig96 ) (((uint32_t) (sign)<<31) + ((uint32_t) (exp)<<16) + (sig96))
+
+bool softfloat_isNaNF128M( const uint32_t * );
+
+bool
+ softfloat_tryPropagateNaNF128M(
+ const uint32_t *, const uint32_t *, uint32_t * SOFTFLOAT_STATE_DECL_COMMA );
+void softfloat_invalidF128M( uint32_t * SOFTFLOAT_STATE_DECL_COMMA );
+
+int softfloat_shiftNormSigF128M( const uint32_t *, uint_fast8_t, uint32_t * );
+
+void softfloat_roundPackMToF128M( bool, int32_t, uint32_t *, uint32_t * SOFTFLOAT_STATE_DECL_COMMA );
+void softfloat_normRoundPackMToF128M( bool, int32_t, uint32_t *, uint32_t * SOFTFLOAT_STATE_DECL_COMMA );
+
+void
+ softfloat_addF128M( const uint32_t *, const uint32_t *, uint32_t *, bool SOFTFLOAT_STATE_DECL_COMMA );
+void
+ softfloat_mulAddF128M(
+ const uint32_t *,
+ const uint32_t *,
+ const uint32_t *,
+ uint32_t *,
+ uint_fast8_t
+ SOFTFLOAT_STATE_DECL_COMMA
+ );
+
+#endif
+
+#endif
+