Annotation of OpenXM_contrib2/asir2018/include/interval.h, Revision 1.1
1.1 ! noro 1: /*
! 2: * $OpenXM$
! 3: */
! 4: #ifndef _INTERVAL_H
! 5: #define _INTERVAL_H
! 6:
! 7: #define PRINTF_G 0
! 8: #define PRINTF_E 1
! 9:
! 10: #if defined(INTERVAL)
! 11:
! 12: #include <math.h>
! 13:
! 14: #ifdef sun
! 15: #if OSMajorVersion < 4 || (OSMajorVersion == 4 && OSMinorVersion < 1)
! 16: #include <sys/ieeefp.h>
! 17: #endif
! 18: #if defined(__svr4__)
! 19: #include <ieeefp.h>
! 20: #define FPNEAREST fpsetround(FP_RN);
! 21: #define FPPLUSINF fpsetround(FP_RP);
! 22: #define FPMINUSINF fpsetround(FP_RM);
! 23: #define FPTOZERO fpsetround(FP_RZ);
! 24: #else
! 25: static char *Interval_dummy;
! 26: #define FPNEAREST ieee_flags("clear", "direction", Interval_dummy, &Interval_dummy);
! 27: #define FPPLUSINF ieee_flags("set", "direction", "positive", &Interval_dummy);
! 28: #define FPMINUSINF ieee_flags("set", "direction", "negative", &Interval_dummy);
! 29: #define FPTOZERO ieee_flags("set", "direction", "tozero", &Interval_dummy);
! 30: #endif
! 31: #endif
! 32:
! 33: #ifdef linux
! 34: #include <fpu_control.h>
! 35: #if 1
! 36:
! 37: #if defined(__ARM_ARCH) || defined(ANDROID)
! 38: #ifndef _FPU_RC_NEAREST
! 39: #define _FPU_RC_NEAREST 0x0
! 40: #endif
! 41: #ifndef _FPU_RC_DOWN
! 42: #define _FPU_RC_DOWN 0x400
! 43: #endif
! 44: #ifndef _FPU_RC_UP
! 45: #define _FPU_RC_UP 0x800
! 46: #endif
! 47: #ifndef _FPU_RC_ZERO
! 48: #define _FPU_RC_ZERO 0xC00
! 49: #endif
! 50: #endif /* __ARM_ARCH */
! 51:
! 52: #define LINUX_FPU_RC_MASK 0xf3ff
! 53: #define LINUX_FPU_SETCW(c) \
! 54: {fpu_control_t __tmp__; _FPU_GETCW(__fpu_control);\
! 55: __tmp__ = (__fpu_control & LINUX_FPU_RC_MASK | c);\
! 56: _FPU_SETCW(__tmp__);}
! 57: #define FPNEAREST LINUX_FPU_SETCW(_FPU_RC_NEAREST);
! 58: #define FPPLUSINF LINUX_FPU_SETCW(_FPU_RC_UP);
! 59: #define FPMINUSINF LINUX_FPU_SETCW(_FPU_RC_DOWN);
! 60: #define FPTOZERO LINUX_FPU_SETCW(_FPU_RC_ZERO);
! 61: #else
! 62: #define _FPU_DEFAULT_p_FPU_RC_UP 0x1b72
! 63: #define _FPU_DEFAULT_p_FPU_RC_DOWN 0x1772
! 64: #define _FPU_DEFAULT_p_FPU_RC_ZERO 0x1f72
! 65: #define FPNEAREST __setfpucw(_FPU_DEFAULT);
! 66: #define FPPLUSINF __setfpucw(_FPU_DEFAULT_p_FPU_RC_UP);
! 67: #define FPMINUSINF __setfpucw(_FPU_DEFAULT_p_FPU_RC_DOWN);
! 68: #define FPTOZERO __setfpucw(_FPU_DEFAULT_p_FPU_RC_ZERO);
! 69: #endif
! 70: #endif
! 71:
! 72: #if defined(__osf__)
! 73: #if 0
! 74: #include <float.h>
! 75: #define FPNEAREST write_rnd(FP_RND_RN);
! 76: #define FPPLUSINF write_rnd(FP_RND_RP);
! 77: #define FPMINUSINF write_rnd(FP_RND_RM);
! 78: #define FPTOZERO write_rnd(FP_RND_RZ);
! 79: #else
! 80: #define FPNEAREST
! 81: #define FPPLUSINF
! 82: #define FPMINUSINF
! 83: #define FPTOZERO
! 84: #endif
! 85: #endif
! 86:
! 87: #if defined(__FreeBSD__) && defined(__GNUC__)
! 88: #include <floatingpoint.h>
! 89: #define FPNEAREST fpsetround(FP_RN);
! 90: #define FPPLUSINF fpsetround(FP_RP);
! 91: #define FPMINUSINF fpsetround(FP_RM);
! 92: #define FPTOZERO fpsetround(FP_RZ);
! 93: #endif
! 94:
! 95: #if defined(VISUAL) || defined(__MINGW32__)
! 96: #include <float.h>
! 97: #define FPNEAREST _controlfp(_RC_NEAR,_MCW_RC);
! 98: #define FPPLUSINF _controlfp(_RC_UP,_MCW_RC);
! 99: #define FPMINUSINF _controlfp(_RC_DOWN,_MCW_RC);
! 100: #define FPTOZERO _controlfp(_RC_CHOP,_MCW_RC);
! 101: #endif
! 102:
! 103: /* no control function of floating point rounding */
! 104: #ifndef FPNEAREST
! 105: #define FPNEAREST fprintf(stderr, "Fpu control FPNEAREST is not supported in this machine yet.\n");
! 106: #endif
! 107: #ifndef FPMINUSINF
! 108: #define FPMINUSINF fprintf(stderr, "Fpu control FPMINUSINF is not supported in this machine yet.\n");
! 109: #endif
! 110: #ifndef FPPLUSINF
! 111: #define FPPLUSINF fprintf(stderr, "Fpu control FPPLUSINF is not supported in this machine yet.\n");
! 112: #endif
! 113: #ifndef FPTOZERO
! 114: #define FPTOZERO fprintf(stderr, "Fpu control FPZERO is not supported in this machine yet.\n");
! 115: #endif
! 116: #define FPCLEAR FPNEAREST
! 117:
! 118: #define MID_PRINTF_G 2
! 119: #define MID_PRINTF_E 3
! 120:
! 121: /* data structures */
! 122: struct oItv {
! 123: short id;
! 124: char nid;
! 125: char pad;
! 126: Num inf;
! 127: Num sup;
! 128: };
! 129:
! 130: typedef struct oItv *Itv;
! 131:
! 132: struct oIntervalDouble {
! 133: short id;
! 134: char nid;
! 135: char pad;
! 136: double inf;
! 137: double sup;
! 138: };
! 139:
! 140: typedef struct oIntervalDouble *IntervalDouble;
! 141:
! 142: struct oforth {
! 143: short sign;
! 144: short exp;
! 145: double u;
! 146: double l;
! 147: };
! 148:
! 149: typedef struct oforth *forth;
! 150:
! 151: struct oIntervalQuad {
! 152: short id;
! 153: char nid;
! 154: char pad;
! 155: forth inf;
! 156: forth sup;
! 157: };
! 158:
! 159: typedef struct oIntervalQuad *IntervalQuad;
! 160:
! 161: struct oIntervalBigFloat {
! 162: short id;
! 163: char nid;
! 164: char pad;
! 165: BF inf;
! 166: BF sup;
! 167: };
! 168:
! 169: typedef struct oIntervalBigFloat *IntervalBigFloat;
! 170:
! 171: extern int zerorewrite;
! 172:
! 173: /* general macros */
! 174: #define INF(p) ((p)->inf)
! 175: #define SUP(p) ((p)->sup)
! 176:
! 177: #define NEWItvP(q) ((q)=(Itv)MALLOC(sizeof(struct oItv)),\
! 178: OID(q)=O_N,NID(q)=N_IP)
! 179: #define NEWIntervalDouble(q) ((q)=(IntervalDouble)MALLOC(sizeof(struct oIntervalDouble)),\
! 180: OID(q)=O_N,NID(q)=N_IntervalDouble)
! 181: #define NEWIntervalQuad(q) ((q)=(IntervalDouble)MALLOC(sizeof(struct oIntervalQuad)),\
! 182: OID(q)=O_N,NID(q)=N_IntervalQuad)
! 183: #define NEWIntervalBigFloat(q) ((q)=(IntervalBigFloat)MALLOC(sizeof(struct oIntervalBigFloat)),\
! 184: OID(q)=O_N,NID(q)=N_IntervalBigFloat)
! 185: #define MKItvP(a,b,c) (NEWItvP(c),(INF(c)=(a),SUP(c)=(b)))
! 186: #define MKIntervalDouble(a,b,c) if((zerorewrite) && ((a)<=0.0) && ((b)>=0.0)) (c)=0;\
! 187: else (NEWIntervalDouble(c),(INF(c)=(a),SUP(c)=(b)))
! 188: #define MKIntervalQuad(a,b,c) (NEWIntervalQuad(c),(INF(c)=(a),SUP(c)=(b)))
! 189: #define MKIntervalBigFloat(a,b,c) (NEWIntervalBigFloat(c),(INF(c)=(a),SUP(c)=(b)))
! 190:
! 191: #define ToItvP(a,c) (NEWItvP(c),INF(c)=(a),SUP(c)=(a))
! 192: #define ToIntervalDouble(a,c) (NEWIntervalDouble(c),INF(c)=(ToReal(a)),SUP(c)=(ToReal(a)))
! 193: #define ToIntervalBigFloat(a,c) (NEWIntervalBigFloat(c),INF(c)=(a),SUP(c)=(a))
! 194:
! 195: #define ITVP(a) (NID(a)==N_IP)
! 196: #define ITVD(a) (NID(a)==N_IntervalDouble)
! 197: #define ITVQ(a) (NID(a)==N_IntervalQuad)
! 198: #define ITVF(a) (NID(a)==N_IntervalBigFloat)
! 199:
! 200: /*** engine/itv.c ***/
! 201: double ToRealSup(Num);
! 202: double ToRealInf(Num);
! 203: double RatnToRealUp(Q);
! 204: double NatToRealUp(Z, int *);
! 205:
! 206: void double2bf(double, BF *);
! 207: double bf2double(BF);
! 208:
! 209: void itvtois(Itv, Num *, Num *);
! 210: void istoitv(Num, Num, Itv *);
! 211:
! 212: #if 0
! 213: void additv(Num, Num, Num *);
! 214: void subitv(Num, Num, Num *);
! 215: void mulitv(Num, Num, Num *);
! 216: int initv(Num, double);
! 217: int itvinitv(Itv, Itv);
! 218: void divitv(Num, Num, Num *);
! 219: void sqrtitv(Num, Num *);
! 220: void pwritv(Num, Num, Num *);
! 221: void pwritv0(Itv, int, Itv *);
! 222: void chsgnitv(Num, Num *);
! 223: void miditv(Itv, Num *);
! 224: int cmpitv(Itv, Itv);
! 225: void cupitv(Itv, Itv, Itv *);
! 226: void capitv(Itv, Itv, Itv *);
! 227: void widthitv(Itv, Num *);
! 228: void distanceitv(Itv, Itv, Num *);
! 229: #endif
! 230:
! 231: void additvp(Itv, Itv, Itv *);
! 232: void subitvp(Itv, Itv, Itv *);
! 233: void mulitvp(Itv, Itv, Itv *);
! 234: void divitvp(Itv, Itv, Itv *);
! 235: void chsgnitvp(Itv, Itv *);
! 236: int cmpitvp(Itv, Itv);
! 237: void pwritvp(Itv, Num, Itv *);
! 238: void pwritv0p(Itv, int, Itv *);
! 239: void cupitvp(Itv, Itv, Itv *);
! 240: void capitvp(Itv, Itv, Itv *);
! 241: void widthitvp(Itv, Num *);
! 242: void distanceitvp(Itv, Itv, Num *);
! 243:
! 244: void ToBf(Num, BF *);
! 245: void double2bf(double, BF *);
! 246: double bf2double(BF);
! 247: void addulp(IntervalBigFloat, IntervalBigFloat *);
! 248: void getulp(BF, BF *);
! 249:
! 250: void additvf(IntervalBigFloat, IntervalBigFloat, IntervalBigFloat *);
! 251: void subitvf(IntervalBigFloat, IntervalBigFloat, IntervalBigFloat *);
! 252: void mulitvf(IntervalBigFloat, IntervalBigFloat, IntervalBigFloat *);
! 253: void divitvf(IntervalBigFloat, IntervalBigFloat, IntervalBigFloat *);
! 254: void chsgnitvf(Itv, Itv *);
! 255: int cmpitvf(Itv, Itv);
! 256: void pwritvf(Itv, Num, Itv *);
! 257: void pwritv0f(Itv, int, Itv *);
! 258:
! 259: /*** engine/d-itv.c ***/
! 260: double ToRealDown(Num);
! 261: double ToRealUp(Num);
! 262: void Num2double(Num, double *, double *);
! 263:
! 264: void additvd(Num, Num, IntervalDouble *);
! 265: void subitvd(Num, Num, IntervalDouble *);
! 266: void mulitvd(Num, Num, IntervalDouble *);
! 267: void divitvd(Num, Num, IntervalDouble *);
! 268: void chsgnitvd(IntervalDouble, IntervalDouble *);
! 269: int cmpitvd(IntervalDouble, IntervalDouble);
! 270: void pwritvd(Num, Num, IntervalDouble *);
! 271: void pwritv0d(IntervalDouble, int, IntervalDouble *);
! 272: void miditvd(IntervalDouble, Num *);
! 273: void cupitvd(IntervalDouble, IntervalDouble, IntervalDouble *);
! 274: void capitvd(IntervalDouble, IntervalDouble, IntervalDouble *);
! 275: void widthitvd(IntervalDouble, Num *);
! 276: void absitvd(IntervalDouble, Num *);
! 277: void distanceitvd(IntervalDouble, IntervalDouble, Num *);
! 278:
! 279: #endif /* end of INTERVAL */
! 280: #endif /* end of _INTERVAL_H */
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