1 // -*- Mode: C++; tab-width: 2; -*- 2 // vi: set ts=2: 3 // 4 5 #ifndef BALL_COMMON_MACROS_H 6 #define BALL_COMMON_MACROS_H 7 8 #ifndef BALL_CONFIG_CONFIG_H 9 # include <BALL/CONFIG/config.h> 10 #endif 11 12 #ifndef BALL_COMMON_CONSTANTS_H 13 # include <BALL/COMMON/constants.h> 14 #endif 15 16 #ifndef BALL_COMMON_RTTI_H 17 # include <BALL/COMMON/rtti.h> 18 #endif 19 20 #include <math.h> // needed for fabs 21 #include <typeinfo> // needed for typeid 22 23 #define BALL_MAX(a, b) (((a) < (b)) ? (b) : (a)) 24 #define BALL_MAX3(x, y, z) ((x) > (y) ? BALL_MAX(x, z) : BALL_MAX(y, z)) 25 #define BALL_MIN(a, b) (((a) > (b)) ? (b) : (a)) 26 #define BALL_MIN3(x, y, z) ((x) < (y) ? BALL_MIN(x, z) : BALL_MIN(y, z)) 27 #define BALL_ABS(x) (((x) >= 0) ? (x) : -(x)) 28 #define BALL_SGN(x) (((x) < 0) ? -1 : ((x) == 0) ? 0 : 1) 29 #define BALL_ODD(x) (((x) % 2)!=0) 30 31 #define BALL_INT_ODD(x) (((x) & 0x1) == 1) 32 #define BALL_INT_EVEN(x) (((x) & 0x1) == 0) 33 34 #define BALL_REAL_ROUND BALL::Maths::round 35 #define BALL_REAL_EQUAL(x, y, e) (fabs((x) - (y)) <= e) 36 #define BALL_REAL_NOT_EQUAL(x, y, e) (fabs((x) - (y)) > e) 37 #define BALL_REAL_LESS(x, y, e) (((x) - (y)) < -e) 38 #define BALL_REAL_LESS_OR_EQUAL(x, y, e) (((x) - (y)) <= e) 39 #define BALL_REAL_GREATER(x, y, e) (((x) - (y)) > e) 40 #define BALL_REAL_GREATER_OR_EQUAL(x, y, e) (((x) - (y)) >= -e) 41 #define BALL_REAL_ABS(x) fabs(x) 42 #define BALL_REAL_SGN(x) BALL_SGN(x) 43 #define BALL_REAL_ODD(x) (((x) % 2) != 0) 44 #define BALL_REAL_EVEN(x) (((x) % 2) == 0) 45 #define BALL_REAL_FLOOR(x) (long)((x) > 0 ? (x): ((x) == (long)(x) ? (x) : (x) - 1)) 46 #define BALL_REAL_CEILING(x) (long)((x) < 0 ? (x): ((x) == (long)(x) ? (x) : (x) + 1)) 47 #define BALL_REAL_ROUND_INT(x) ((x) > 0 ? (int)(x + 0.5) : -(int)(0.5 - x)) 48 49 50 // The following macros assume BALL_CHAR_BITS is one of either 8, 16, or 32 51 #define BALL_CHAR_BITS BALL_CHAR_SIZE * 8 52 #define BALL_CHAR_MASK BALL_CHAR_BITS - 1 53 #define BALL_CHAR_SHIFT ((BALL_CHAR_BITS == 8) ? 3 : (BALL_CHAR_BITS == 16) ? 4 : 5) 54 #define BALL_CHAR_ALL_BITS_SET ((BALL_CHAR_BITS == 8) ? 0xFF : (BALL_CHAR_BITS == 16) ? 0xFFFF : 0xFFFFFFFF) 55 #define BALL_CHAR_ALL_BITS_CLEARED ((BALL_CHAR_BITS == 8) ? 0x00 : (BALL_CHAR_BITS == 16) ? 0x0000 : 0x00000000) 56 #define BALL_NUMBER_OF_BYTES(bits) (((bits) + BALL_CHAR_MASK) >> BALL_CHAR_SHIFT) 57 58 #define BALL_SIZEOF_ARRAY(a) (sizeof(a) / sizeof(*(a))) 59 60 #define BALL_BITARRAY_SIZE(number_of_bits) (((number_of_bits - 1) >> BALL_CHAR_SHIFT) + 1) 61 #define BALL_BITARRAY_CLEAR_BIT(array, x) ((array)[(x) >> BALL_CHAR_SHIFT] &= ~(1 << ((x) & BALL_CHAR_MASK))) 62 #define BALL_BITARRAY_SET_BIT(array, x) ((array)[(x) >> BALL_CHAR_SHIFT] |= (1 << ((x) & BALL_CHAR_MASK))) 63 #define BALL_BITARRAY_TOGGLE_BIT(array, x) ((array)[(x) >> BALL_CHAR_SHIFT] ^= (1 << ((x) & BALL_CHAR_MASK))) 64 #define BALL_BITARRAY_IS_BIT_SET(array, x) (((array)[(x) >> BALL_CHAR_SHIFT] & (1 << ((x) & BALL_CHAR_MASK))) != 0) 65 66 #define BALL_BIT(bit) (1 << (bit)) 67 #define BALL_BIT_SET(bitset, bit) ((bitset) |= (1 << (bit))) 68 #define BALL_BIT_SET_ALL(bitset) ((bitset) = -1) 69 #define BALL_BIT_SET_ALL_TO(bitset, bit) ((bitset) |= ~(-1 << (bit + 1))) 70 #define BALL_BIT_SET_ALL_FROM(bitset, bit) ((bitset) |= (-1 << (bit))) 71 #define BALL_BIT_CLEAR(bitset, bit) ((bitset) &= ~(1 << (bit))) 72 #define BALL_BIT_CLEAR_ALL(bitset) ((bitset) = 0) 73 #define BALL_BIT_CLEAR_ALL_TO(bitset, bit) ((bitset) &= (-1 << (bit + 1))) 74 #define BALL_BIT_CLEAR_ALL_FROM(bitset, bit) ((bitset) &= ~(-1 << (bit))) 75 #define BALL_BIT_IS_SET(bitset, bit) ((bitset) & (1 << (bit))) 76 #define BALL_BIT_IS_CLEARED(bitset, bit) !((bitset) & (1 << (bit))) 77 78 #define BALL_ANGLE_RADIAN_TO_DEGREE(rad_angle) (180.0 / ::BALL::Constants::PI * (rad_angle)) 79 #define BALL_ANGLE_DEGREE_TO_RADIAN(deg_angle) (::BALL::Constants::PI / 180.0 * (deg_angle)) 80 81 #define BALL_OFFSET_OF(struct_name, struct_var_name) ((long)&(((struct_name*)0)->struct_var_name)) 82 83 #define BALL_DUMP_DEPTH(os, depth) for (dump_indent_depth_ = 0; dump_indent_depth_ < depth; ++dump_indent_depth_) { os << " "; } 84 #define BALL_DUMP_STREAM_PREFIX(os) Size dump_indent_depth_ = 0; 85 86 #define BALL_DUMP_HEADER(os,cl,ob) os << "Object: " << (void *)ob << " is instance of class: " << streamClassName(typeid(*ob)) << std::endl; 87 #define BALL_DUMP_CLASS_HEADER(os,cl,ob) os << "Object: " << (void *)ob << " is instance of class: " << #cl << ::std::endl; 88 #define BALL_DUMP_STREAM_SUFFIX(os) 89 90 #endif // BALL_COMMON_MACROS_H 91