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waterHeterogeneousDataSynchronization alarmMemoryDefinition.h 李欣儒 commit at 2020-11-12

李欣儒 vor 4 Jahren
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598a1df842

+ 182 - 0
waterHeterogeneousDataSynchronization/dataSharedMemory/alarmMemoryDefinition.h

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+
+/*
+===============================================================================
+
+This C header file is part of the SoftFloat IEC/IEEE Floating-point
+Arithmetic Package, Release 2.
+
+Written by John R. Hauser.  This work was made possible in part by the
+International Computer Science Institute, located at Suite 600, 1947 Center
+Street, Berkeley, California 94704.  Funding was partially provided by the
+National Science Foundation under grant MIP-9311980.  The original version
+of this code was written as part of a project to build a fixed-point vector
+processor in collaboration with the University of California at Berkeley,
+overseen by Profs. Nelson Morgan and John Wawrzynek.  More information
+is available through the Web page
+http://www.jhauser.us/arithmetic/SoftFloat-2b/SoftFloat-source.txt
+
+THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE.  Although reasonable effort
+has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT
+TIMES RESULT IN INCORRECT BEHAVIOR.  USE OF THIS SOFTWARE IS RESTRICTED TO
+PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY
+AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE.
+
+Derivative works are acceptable, even for commercial purposes, so long as
+(1) they include prominent notice that the work is derivative, and (2) they
+include prominent notice akin to these three paragraphs for those parts of
+this code that are retained.
+
+===============================================================================
+*/
+
+#ifndef __SOFTFLOAT_H__
+#define __SOFTFLOAT_H__
+
+
+/*
+-------------------------------------------------------------------------------
+The macro `FLOATX80' must be defined to enable the extended double-precision
+floating-point format `floatx80'.  If this macro is not defined, the
+`floatx80' type will not be defined, and none of the functions that either
+input or output the `floatx80' type will be defined.
+-------------------------------------------------------------------------------
+*/
+#ifdef CONFIG_FPE_NWFPE_XP
+#define FLOATX80
+#endif
+
+/*
+-------------------------------------------------------------------------------
+Software IEC/IEEE floating-point types.
+-------------------------------------------------------------------------------
+*/
+typedef u32 float32;
+typedef u64 float64;
+typedef struct {
+#ifdef __ARMEB__
+    u16 __padding;
+    u16 high;
+#else
+    u16 high;
+    u16 __padding;
+#endif
+    u64 low;
+}  __attribute__ ((packed,aligned(4))) floatx80;
+
+/*
+-------------------------------------------------------------------------------
+Software IEC/IEEE floating-point underflow tininess-detection mode.
+-------------------------------------------------------------------------------
+*/
+extern signed char float_detect_tininess;
+enum {
+    float_tininess_after_rounding  = 0,
+    float_tininess_before_rounding = 1
+};
+
+/*
+-------------------------------------------------------------------------------
+Software IEC/IEEE floating-point rounding mode.
+-------------------------------------------------------------------------------
+*/
+//extern int8 float_rounding_mode;
+enum {
+    float_round_nearest_even = 0,
+    float_round_to_zero      = 1,
+    float_round_down         = 2,
+    float_round_up           = 3
+};
+
+/*
+-------------------------------------------------------------------------------
+Software IEC/IEEE floating-point exception flags.
+-------------------------------------------------------------------------------
+enum {
+    float_flag_inexact   =  1,
+    float_flag_underflow =  2,
+    float_flag_overflow  =  4,
+    float_flag_divbyzero =  8,
+    float_flag_invalid   = 16
+};
+
+ScottB: November 4, 1998
+Changed the enumeration to match the bit order in the FPA11.
+*/
+
+enum {
+    float_flag_invalid   =  1,
+    float_flag_divbyzero =  2,
+    float_flag_overflow  =  4,
+    float_flag_underflow =  8,
+    float_flag_inexact   = 16
+};
+
+/*
+-------------------------------------------------------------------------------
+Routine to raise any or all of the software IEC/IEEE floating-point
+exception flags.
+-------------------------------------------------------------------------------
+*/
+void float_raise( signed char );
+
+/*
+-------------------------------------------------------------------------------
+Software IEC/IEEE integer-to-floating-point conversion routines.
+-------------------------------------------------------------------------------
+*/
+float32 int32_to_float32( struct roundingData *, signed int );
+float64 int32_to_float64( signed int );
+#ifdef FLOATX80
+floatx80 int32_to_floatx80( signed int );
+#endif
+
+/*
+-------------------------------------------------------------------------------
+Software IEC/IEEE single-precision conversion routines.
+-------------------------------------------------------------------------------
+*/
+signed int float32_to_int32( struct roundingData *, float32 );
+signed int float32_to_int32_round_to_zero( float32 );
+float64 float32_to_float64( float32 );
+#ifdef FLOATX80
+floatx80 float32_to_floatx80( float32 );
+#endif
+
+/*
+-------------------------------------------------------------------------------
+Software IEC/IEEE single-precision operations.
+-------------------------------------------------------------------------------
+*/
+float32 float32_round_to_int( struct roundingData*, float32 );
+float32 float32_add( struct roundingData *, float32, float32 );
+float32 float32_sub( struct roundingData *, float32, float32 );
+float32 float32_mul( struct roundingData *, float32, float32 );
+float32 float32_div( struct roundingData *, float32, float32 );
+float32 float32_rem( struct roundingData *, float32, float32 );
+float32 float32_sqrt( struct roundingData*, float32 );
+char float32_eq( float32, float32 );
+char float32_le( float32, float32 );
+char float32_lt( float32, float32 );
+char float32_eq_signaling( float32, float32 );
+char float32_le_quiet( float32, float32 );
+char float32_lt_quiet( float32, float32 );
+char float32_is_signaling_nan( float32 );
+
+/*
+-------------------------------------------------------------------------------
+Software IEC/IEEE double-precision conversion routines.
+-------------------------------------------------------------------------------
+*/
+signed int float64_to_int32( struct roundingData *, float64 );
+signed int float64_to_int32_round_to_zero( float64 );
+float32 float64_to_float32( struct roundingData *, float64 );
+#ifdef FLOATX80
+floatx80 float64_to_floatx80( float64 );
+#endif
+
+/*
+-------------------------------------------------------------------------------
+Software IEC/IEEE double-precision operations.
+-------------------------------------------------------------------------------
+*/
+float64 float64_round_to_int( struct roundingData *, float64 );