mono/metadata/decimal-ms.h

   1 #ifndef __MONO_DECIMAL_MS_H__
   2 #define __MONO_DECIMAL_MS_H__
   3
   4 typedef struct {
   5     // Decimal.cs treats the first two shorts as one long
   6     // And they seriable the data so we need to little endian
   7     // seriliazation
   8     // The wReserved overlaps with Variant's vt member
   9 #if G_BYTE_ORDER != G_LITTLE_ENDIAN
  10     union {
  11         struct {
  12             uint8_t sign;
  13             uint8_t scale;
  14         } u;
  15         uint16_t signscale;
  16     } u;
  17     uint16_t reserved;
  18 #else
  19     uint16_t reserved;
  20     union {
  21         struct {
  22             uint8_t scale;
  23             uint8_t sign;
  24         } u;
  25         uint16_t signscale;
  26     } u;
  27 #endif
  28     uint32_t Hi32;
  29     union {
  30         struct {
  31             uint32_t Lo32;
  32             uint32_t Mid32;
  33         } v;
  34         uint64_t Lo64;
  35     } v;
  36 } MonoDecimal;
  37
  38 typedef enum {
  39         MONO_DECIMAL_CMP_LT=-1,
  40         MONO_DECIMAL_CMP_EQ,
  41         MONO_DECIMAL_CMP_GT
  42 } MonoDecimalCompareResult;
  43
  44 MonoDecimalCompareResult
  45         mono_decimal_compare (MonoDecimal *left, MonoDecimal *right);
  46
  47 void    mono_decimal_init_single   (MonoDecimal *_this, float value);
  48 void    mono_decimal_init_double   (MonoDecimal *_this, double value);
  49 void    mono_decimal_floor         (MonoDecimal *d);
  50 int32_t mono_decimal_get_hash_code (MonoDecimal *d);
  51 void    mono_decimal_multiply      (MonoDecimal *d1, MonoDecimal *d2);
  52 void    mono_decimal_round         (MonoDecimal *d, int32_t decimals);
  53 void    mono_decimal_tocurrency    (MonoDecimal *decimal);
  54 double  mono_decimal_to_double     (MonoDecimal d);
  55 int32_t mono_decimal_to_int32      (MonoDecimal d);
  56 float   mono_decimal_to_float      (MonoDecimal d);
  57 void    mono_decimal_truncate      (MonoDecimal *d);
  58 void    mono_decimal_addsub        (MonoDecimal *left, MonoDecimal *right, uint8_t sign);
  59 void    mono_decimal_divide        (MonoDecimal *left, MonoDecimal *right);
  60 int     mono_decimal_from_number   (void *from, MonoDecimal *target);
  61
  62 #endif