/* This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks. Copyright (C) 2002-2018 by Jin-Hwan Cho and Shunsaku Hirata, the dvipdfmx project team. Copyright (C) 1998, 1999 by Mark A. Wicks This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #ifndef _NUMBERS_H_ #define _NUMBERS_H_ #include #include #ifdef HAVE_INTTYPES_H # include #endif #ifdef HAVE_STDINT_H # include #endif #ifndef PRId64 # ifdef _WIN32 # define PRId64 "I64d" # elif SIZEOF_LONG == 8 # define PRId64 "ld" # else # define PRId64 "lld" # endif #endif /* When reading numbers from binary files 1, 2, or 3 bytes are interpreted as either signed or unsigned. Four bytes from DVI, PK, TFM, or VF files always yield a signed 32-bit integer (int32_t), but some of them must not be negative. Four byte numbers from JPEG2000, OpenType, or TrueType files are mostly unsigned (uint32_t) and occasionally signed (int32_t). */ extern unsigned char get_unsigned_byte (FILE *); extern void skip_bytes (unsigned int, FILE *); extern signed char get_signed_byte (FILE *); extern unsigned short get_unsigned_pair (FILE *); extern unsigned short sget_unsigned_pair (unsigned char *); extern signed short get_signed_pair (FILE *); extern unsigned int get_unsigned_triple (FILE *); extern signed int get_signed_triple (FILE *); extern int32_t get_signed_quad (FILE *); extern uint32_t get_unsigned_quad (FILE *); extern int32_t get_unsigned_num (FILE *, unsigned char); extern uint32_t get_positive_quad (FILE *, const char *, const char *); typedef int32_t fixword; extern int32_t sqxfw (int32_t sq, fixword fw); #ifndef MAX # define MAX(a,b) ((a)>(b)?(a):(b)) #endif #ifndef MIN # define MIN(a,b) ((a)<(b)?(a):(b)) #endif #define ISODD(n) (((n)/2)*2!=(n)) #define ISEVEN(n) (((n)/2)*2==(n)) #ifndef M_PI # define M_PI (4.0*atan(1.0)) #endif #define ROUND(n,acc) (floor(((double)n)/(acc)+0.5)*(acc)) #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L # define __C99__ #endif #ifndef __C99__ # ifndef round # define round(v) (floor((v) + 0.5)) # endif # ifndef trunc # define trunc(v) ((v) > 0.0 ? floor((v)) : ceil((v))) # endif #endif #define round_at(v,acc) (round(((double)(v))/(acc))*(acc)) #endif /* _NUMBERS_H_ */