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00024 #ifndef PUTIL_H
00025 #define PUTIL_H
00026
00027 #include "unicode/utypes.h"
00028
00029
00030
00031 #ifndef IEEE_754
00032 # define IEEE_754 1
00033 #endif
00034
00035
00036
00037
00038
00045
00046
00047 U_CAPI UBool U_EXPORT2 uprv_isNaN(double);
00048 U_CAPI UBool U_EXPORT2 uprv_isInfinite(double);
00049 U_CAPI UBool U_EXPORT2 uprv_isPositiveInfinity(double);
00050 U_CAPI UBool U_EXPORT2 uprv_isNegativeInfinity(double);
00051 U_CAPI double U_EXPORT2 uprv_getNaN(void);
00052 U_CAPI double U_EXPORT2 uprv_getInfinity(void);
00053
00054 U_CAPI double U_EXPORT2 uprv_trunc(double d);
00055 U_CAPI double U_EXPORT2 uprv_floor(double x);
00056 U_CAPI double U_EXPORT2 uprv_ceil(double x);
00057 U_CAPI double U_EXPORT2 uprv_fabs(double x);
00058 U_CAPI double U_EXPORT2 uprv_modf(double x, double* y);
00059 U_CAPI double U_EXPORT2 uprv_fmod(double x, double y);
00060 U_CAPI double U_EXPORT2 uprv_pow(double x, double y);
00061 U_CAPI double U_EXPORT2 uprv_pow10(int32_t x);
00062 U_CAPI double U_EXPORT2 uprv_fmax(double x, double y);
00063 U_CAPI double U_EXPORT2 uprv_fmin(double x, double y);
00064 U_CAPI int32_t U_EXPORT2 uprv_max(int32_t x, int32_t y);
00065 U_CAPI int32_t U_EXPORT2 uprv_min(int32_t x, int32_t y);
00066
00067 #if U_IS_BIG_ENDIAN
00068 # define uprv_isNegative(number) (*((signed char *)&(number))<0)
00069 #else
00070 # define uprv_isNegative(number) (*((signed char *)&(number)+sizeof(number)-1)<0)
00071 #endif
00072
00077 U_CAPI double U_EXPORT2 uprv_maxMantissa(void);
00078
00089 U_CAPI int16_t U_EXPORT2 uprv_log10(double d);
00090
00091 U_CAPI double U_EXPORT2 uprv_log(double d);
00092
00094 U_CAPI double U_EXPORT2 uprv_round(double x);
00095
00101 U_CAPI int32_t U_EXPORT2 uprv_digitsAfterDecimal(double x);
00102
00135 U_CAPI void U_EXPORT2 uprv_tzset(void);
00136
00141 U_CAPI int32_t U_EXPORT2 uprv_timezone(void);
00142
00150 U_CAPI char* U_EXPORT2 uprv_tzname(int n);
00151
00156 U_CAPI int32_t U_EXPORT2 uprv_getUTCtime(void);
00157
00179 U_CAPI const char* U_EXPORT2 u_getDataDirectory(void);
00180
00194 U_CAPI void U_EXPORT2 u_setDataDirectory(const char *directory);
00195
00200 U_CAPI const char* U_EXPORT2 uprv_getDefaultCodepage(void);
00201
00207 U_CAPI const char* U_EXPORT2 uprv_getDefaultLocaleID(void);
00208
00209
00210
00211
00212
00213
00214
00215
00216
00217
00218 U_CAPI double U_EXPORT2 uprv_nextDouble(double d, UBool positive);
00219
00225 #ifdef XP_MAC
00226 # define U_FILE_SEP_CHAR ':'
00227 # define U_PATH_SEP_CHAR ';'
00228 # define U_FILE_SEP_STRING ":"
00229 # define U_PATH_SEP_STRING ";"
00230 #elif defined(WIN32) || defined(OS2)
00231 # define U_FILE_SEP_CHAR '\\'
00232 # define U_PATH_SEP_CHAR ';'
00233 # define U_FILE_SEP_STRING "\\"
00234 # define U_PATH_SEP_STRING ";"
00235 #else
00236 # define U_FILE_SEP_CHAR '/'
00237 # define U_PATH_SEP_CHAR ':'
00238 # define U_FILE_SEP_STRING "/"
00239 # define U_PATH_SEP_STRING ":"
00240 #endif
00241
00258 U_CAPI void U_EXPORT2
00259 u_charsToUChars(const char *cs, UChar *us, int32_t length);
00260
00278 U_CAPI void U_EXPORT2
00279 u_UCharsToChars(const UChar *us, char *cs, int32_t length);
00280
00281
00282 #if U_CHARSET_FAMILY==U_ASCII_FAMILY
00283 # define U_UPPER_ORDINAL(x) ((x)-'A')
00284 #elif U_CHARSET_FAMILY==U_EBCDIC_FAMILY
00285 # define U_UPPER_ORDINAL(x) (((x) < 'J') ? ((x)-'A') : \
00286 (((x) < 'S') ? ((x)-'J'+9) : \
00287 ((x)-'S'+18)))
00288 #else
00289 # error Unknown charset family!
00290 #endif
00291
00306 #ifndef U_MAX_PTR
00307 # ifdef OS390
00308 # define U_MAX_PTR(base) ((void *)0x7fffffff)
00309 # elif defined(OS400)
00310
00311
00312
00313
00314
00315
00316
00317
00318
00319
00320
00321
00322 # define U_MAX_PTR(base) ((void *)(((char *)base)-((int32_t)(base))+((int32_t)0xffefff)))
00323 # else
00324 # define U_MAX_PTR(base) ((void *)(((char *)(base)+0x7fffffff) > (char *)(base) ? ((char *)(base)+0x7fffffff) : (char *)-1))
00325 # endif
00326 #endif
00327
00328 #endif