mono/metadata/decimal.h

   1 #include "mono/metadata/object.h"
   2 #include "mono/utils/mono-compiler.h"
   3
   4 /* representation for C# type decimal */
   5 /* This is the layout of MSC */
   6 typedef struct
   7 {
   8         union {
   9                 guint32 ss32;
  10 #if G_BYTE_ORDER != G_LITTLE_ENDIAN
  11             struct {
  12                     unsigned int sign      : 1;
  13                     unsigned int reserved2 : 7;
  14                     unsigned int scale     : 8;
  15                     unsigned int reserved1 : 16;
  16             } signscale;
  17 #else
  18             struct {
  19                     unsigned int reserved1 : 16;
  20                     unsigned int scale     : 8;
  21                     unsigned int reserved2 : 7;
  22                     unsigned int sign      : 1;
  23             } signscale;
  24 #endif
  25         } u;
  26     guint32 hi32;
  27     guint32 lo32;
  28     guint32 mid32;
  29 } decimal_repr;
  30
  31
  32 /* function prototypes */
  33 gint32 mono_decimalIncr(/*[In, Out]*/decimal_repr* pA, /*[In]*/decimal_repr* pB) MONO_INTERNAL;
  34 gint32 mono_double2decimal(/*[Out]*/decimal_repr* pA, double val, gint32 digits) MONO_INTERNAL;
  35 gint32 mono_decimal2UInt64(/*[In]*/decimal_repr* pD, guint64* pResult) MONO_INTERNAL;
  36 gint32 mono_decimal2Int64(/*[In]*/decimal_repr* pD, gint64* pResult) MONO_INTERNAL;
  37 void mono_decimalFloorAndTrunc(/*[In, Out]*/decimal_repr* pD, gint32 floorFlag) MONO_INTERNAL;
  38 void mono_decimalRound(/*[In, Out]*/decimal_repr* pD, gint32 decimals) MONO_INTERNAL;
  39 gint32 mono_decimalMult(/*[In, Out]*/decimal_repr* pA, /*[In]*/decimal_repr* pB) MONO_INTERNAL;
  40 gint32 mono_decimalDiv(/*[Out]*/decimal_repr* pC, /*[In]*/decimal_repr* pA, /*[In]*/decimal_repr* pB) MONO_INTERNAL;
  41 gint32 mono_decimalIntDiv(/*[Out]*/decimal_repr* pC, /*[In]*/decimal_repr* pA, /*[In]*/decimal_repr* pB) MONO_INTERNAL;
  42 gint32 mono_decimalCompare(/*[In]*/decimal_repr* pA, /*[In]*/decimal_repr* pB) MONO_INTERNAL;
  43 double mono_decimal2double(/*[In]*/decimal_repr* pA) MONO_INTERNAL;
  44 gint32 mono_decimalSetExponent(/*[In, Out]*/decimal_repr* pA, gint32 texp) MONO_INTERNAL;
  45
  46 gint32 mono_string2decimal(/*[Out]*/decimal_repr* pA, /*[In]*/MonoString* s, gint32 decrDecimal, gint32 sign) MONO_INTERNAL;
  47 gint32 mono_decimal2string(/*[In]*/decimal_repr* pA, int digits, int decimals,
  48                          /*[Out]*/MonoArray* pArray, gint32 bufSize, gint32* pDecPos, gint32* pSign) MONO_INTERNAL;
  49