Annotation of OpenXM_contrib2/asir2000/include/interval.h, Revision 1.5
1.1 saito 1: /*
1.5 ! kondoh 2: * $OpenXM: OpenXM_contrib2/asir2000/include/interval.h,v 1.4 2002/01/04 17:01:40 saito Exp $
1.1 saito 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>
1.2 saito 35: #if 1
36: #define LINUX_FPU_RC_MASK 0xf3ff
37: #define LINUX_FPU_SETCW(c) {_FPU_GETCW(__fpu_control);\
38: _FPU_SETCW(__fpu_control & LINUX_FPU_RC_MASK | c);}
39: #define FPNEAREST LINUX_FPU_SETCW(_FPU_RC_NEAREST);
40: #define FPPLUSINF LINUX_FPU_SETCW(_FPU_RC_UP);
41: #define FPMINUSINF LINUX_FPU_SETCW(_FPU_RC_DOWN);
42: #define FPTOZERO LINUX_FPU_SETCW(_FPU_RC_ZERO);
43: #else
1.1 saito 44: #define _FPU_DEFAULT_p_FPU_RC_UP 0x1b72
45: #define _FPU_DEFAULT_p_FPU_RC_DOWN 0x1772
46: #define _FPU_DEFAULT_p_FPU_RC_ZERO 0x1f72
47: #define FPNEAREST __setfpucw(_FPU_DEFAULT);
48: #define FPPLUSINF __setfpucw(_FPU_DEFAULT_p_FPU_RC_UP);
49: #define FPMINUSINF __setfpucw(_FPU_DEFAULT_p_FPU_RC_DOWN);
50: #define FPTOZERO __setfpucw(_FPU_DEFAULT_p_FPU_RC_ZERO);
1.2 saito 51: #endif
1.1 saito 52: #endif
53:
54: #if defined(__osf__)
55: #if 0
56: #include <float.h>
57: #define FPNEAREST write_rnd(FP_RND_RN);
58: #define FPPLUSINF write_rnd(FP_RND_RP);
59: #define FPMINUSINF write_rnd(FP_RND_RM);
60: #define FPTOZERO write_rnd(FP_RND_RZ);
61: #else
62: #define FPNEAREST
63: #define FPPLUSINF
64: #define FPMINUSINF
65: #define FPTOZERO
66: #endif
67: #endif
68:
69: #if defined(__FreeBSD__)
70: #include <floatingpoint.h>
71: #define FPNEAREST fpsetround(FP_RN);
72: #define FPPLUSINF fpsetround(FP_RP);
73: #define FPMINUSINF fpsetround(FP_RM);
74: #define FPTOZERO fpsetround(FP_RZ);
75: #endif
76:
77: /* no control function of floating point rounding */
78: #ifndef FPNEAREST
79: #define FPNEAREST fprintf(stderr, "Fpu control FPNEAREST is not supported in this machine yet.\n");
80: #endif
81: #ifndef FPMINUSINF
82: #define FPMINUSINF fprintf(stderr, "Fpu control FPMINUSINF is not supported in this machine yet.\n");
83: #endif
84: #ifndef FPPLUSINF
85: #define FPPLUSINF fprintf(stderr, "Fpu control FPPLUSINF is not supported in this machine yet.\n");
86: #endif
87: #ifndef FPTOZERO
88: #define FPTOZERO fprintf(stderr, "Fpu control FPZERO is not supported in this machine yet.\n");
89: #endif
90: #define FPCLEAR FPNEAREST
91:
92: #define MID_PRINTF_G 2
93: #define MID_PRINTF_E 3
94:
95: #undef N_C
96: #undef N_M
97: #undef N_LM
98: #undef N_GF2N
99: #undef N_GFPN
1.3 noro 100: #undef N_GFS
1.4 saito 101: #undef N_GFSN
1.5 ! kondoh 102: #define N_NEXT_B (N_B+1)
! 103: #define N_Quad (N_NEXT_B)
! 104: #define N_IP (N_NEXT_B+1)
! 105: #define N_IntervalDouble (N_NEXT_B+2)
! 106: #define N_IntervalQuad (N_NEXT_B+3)
! 107: #define N_IntervalBigFloat (N_NEXT_B+4)
! 108: #define N_PRE_C N_IntervalBigFloat
! 109: #define N_C (N_NEXT_B+5)
! 110: #define N_M (N_NEXT_B+6)
! 111: #define N_LM (N_NEXT_B+7)
! 112: #define N_GF2N (N_NEXT_B+8)
! 113: #define N_GFPN (N_NEXT_B+9)
! 114: #define N_GFS (N_NEXT_B+10)
! 115: #define N_GFSN (N_NEXT_B+11)
1.1 saito 116:
117: /* data structures */
118: struct oItv {
119: short id;
120: char nid;
121: char pad;
122: Num inf;
123: Num sup;
124: };
125:
126: typedef struct oItv *Itv;
127:
1.5 ! kondoh 128: struct oIntervalDouble {
1.1 saito 129: short id;
130: char nid;
131: char pad;
132: double inf;
133: double sup;
134: };
135:
1.5 ! kondoh 136: typedef struct oIntervalDouble *IntervalDouble;
1.1 saito 137:
138: struct oforth {
139: short sign;
140: short exp;
141: double u;
142: double l;
143: };
144:
145: typedef struct oforth *forth;
146:
1.5 ! kondoh 147: struct oIntervalQuad {
1.1 saito 148: short id;
149: char nid;
150: char pad;
151: forth inf;
152: forth sup;
153: };
154:
1.5 ! kondoh 155: typedef struct oIntervalQuad *IntervalQuad;
1.1 saito 156:
1.5 ! kondoh 157: struct oIntervalBigFloat {
1.1 saito 158: short id;
159: char nid;
160: char pad;
161: BF inf;
162: BF sup;
163: };
164:
1.5 ! kondoh 165: typedef struct oIntervalBigFloat *IntervalBigFloat;
1.1 saito 166:
167: extern int zerorewrite;
168:
169: /* general macros */
170: #define INF(p) ((p)->inf)
171: #define SUP(p) ((p)->sup)
172:
173: #define NEWItvP(q) ((q)=(Itv)MALLOC(sizeof(struct oItv)),\
174: OID(q)=O_N,NID(q)=N_IP)
1.5 ! kondoh 175: #define NEWIntervalDouble(q) ((q)=(IntervalDouble)MALLOC(sizeof(struct oIntervalDouble)),\
! 176: OID(q)=O_N,NID(q)=N_IntervalDouble)
! 177: #define NEWIntervalQuad(q) ((q)=(IntervalDouble)MALLOC(sizeof(struct oIntervalQuad)),\
! 178: OID(q)=O_N,NID(q)=N_IntervalQuad)
! 179: #define NEWIntervalBigFloat(q) ((q)=(IntervalBigFloat)MALLOC(sizeof(struct oIntervalBigFloat)),\
! 180: OID(q)=O_N,NID(q)=N_IntervalBigFloat)
1.1 saito 181: #define MKItvP(a,b,c) (NEWItvP(c),(INF(c)=(a),SUP(c)=(b)))
1.5 ! kondoh 182: #define MKIntervalDouble(a,b,c) if((zerorewrite) && ((a)<=0.0) && ((b)>=0.0)) (c)=0;\
! 183: else (NEWIntervalDouble(c),(INF(c)=(a),SUP(c)=(b)))
! 184: #define MKIntervalQuad(a,b,c) (NEWIntervalQuad(c),(INF(c)=(a),SUP(c)=(b)))
! 185: #define MKIntervalBigFloat(a,b,c) (NEWIntervalBigFloat(c),(INF(c)=(a),SUP(c)=(b)))
1.1 saito 186:
187: #define ToItvP(a,c) (NEWItvP(c),INF(c)=(a),SUP(c)=(a))
1.5 ! kondoh 188: #define ToIntervalDouble(a,c) (NEWIntervalDouble(c),INF(c)=(ToReal(a)),SUP(c)=(ToReal(a)))
! 189: #define ToIntervalBigFloat(a,c) (NEWIntervalBigFloat(c),INF(c)=(a),SUP(c)=(a))
1.1 saito 190:
191: #define ITVP(a) (NID(a)==N_IP)
1.5 ! kondoh 192: #define ITVD(a) (NID(a)==N_IntervalDouble)
! 193: #define ITVQ(a) (NID(a)==N_IntervalQuad)
! 194: #define ITVF(a) (NID(a)==N_IntervalBigFloat)
1.1 saito 195:
196: /*** engine/itv.c ***/
197: double ToRealSup(Num);
198: double ToRealInf(Num);
199: double RatnToRealUp(Q);
200: double NatToRealUp(N, int *);
201:
202: void double2bf(double, BF *);
203: double bf2double(BF);
204:
205: void itvtois(Itv, Num *, Num *);
206: void istoitv(Num, Num, Itv *);
207:
208: #if 0
209: void additv(Num, Num, Num *);
210: void subitv(Num, Num, Num *);
211: void mulitv(Num, Num, Num *);
212: int initv(Num, double);
213: int itvinitv(Itv, Itv);
214: void divitv(Num, Num, Num *);
215: void sqrtitv(Num, Num *);
216: void pwritv(Num, Num, Num *);
217: void pwritv0(Itv, int, Itv *);
218: void chsgnitv(Num, Num *);
219: void miditv(Itv, Num *);
220: int cmpitv(Itv, Itv);
221: void cupitv(Itv, Itv, Itv *);
222: void capitv(Itv, Itv, Itv *);
223: void widthitv(Itv, Num *);
224: void distanceitv(Itv, Itv, Num *);
225: #endif
226:
227: void additvp(Itv, Itv, Itv *);
228: void subitvp(Itv, Itv, Itv *);
229: void mulitvp(Itv, Itv, Itv *);
230: void divitvp(Itv, Itv, Itv *);
231: void chsgnitvp(Itv, Itv *);
232: int cmpitvp(Itv, Itv);
233: void pwritvp(Itv, Num, Itv *);
234: void pwritv0p(Itv, int, Itv *);
235: void cupitvp(Itv, Itv, Itv *);
236: void capitvp(Itv, Itv, Itv *);
237: void widthitvp(Itv, Num *);
238: void distanceitvp(Itv, Itv, Num *);
239:
240: void ToBf(Num, BF *);
241: void double2bf(double, BF *);
242: double bf2double(BF);
1.5 ! kondoh 243: void addulp(IntervalBigFloat, IntervalBigFloat *);
1.1 saito 244: void getulp(BF, BF *);
245:
1.5 ! kondoh 246: void additvf(IntervalBigFloat, IntervalBigFloat, IntervalBigFloat *);
! 247: void subitvf(IntervalBigFloat, IntervalBigFloat, IntervalBigFloat *);
! 248: void mulitvf(IntervalBigFloat, IntervalBigFloat, IntervalBigFloat *);
! 249: void divitvf(IntervalBigFloat, IntervalBigFloat, IntervalBigFloat *);
1.1 saito 250: void chsgnitvf(Itv, Itv *);
251: int cmpitvf(Itv, Itv);
252: void pwritvf(Itv, Num, Itv *);
253: void pwritv0f(Itv, int, Itv *);
254:
255: /*** engine/d-itv.c ***/
256: double ToRealDown(Num);
257: double ToRealUp(Num);
258: void Num2double(Num, double *, double *);
259:
1.5 ! kondoh 260: void additvd(Num, Num, IntervalDouble *);
! 261: void subitvd(Num, Num, IntervalDouble *);
! 262: void mulitvd(Num, Num, IntervalDouble *);
! 263: void divitvd(Num, Num, IntervalDouble *);
! 264: void chsgnitvd(IntervalDouble, IntervalDouble *);
! 265: int cmpitvd(IntervalDouble, IntervalDouble);
! 266: void pwritvd(Num, Num, IntervalDouble *);
! 267: void pwritv0d(IntervalDouble, int, IntervalDouble *);
! 268: void miditvd(IntervalDouble, Num *);
! 269: void cupitvd(IntervalDouble, IntervalDouble, IntervalDouble *);
! 270: void capitvd(IntervalDouble, IntervalDouble, IntervalDouble *);
! 271: void widthitvd(IntervalDouble, Num *);
! 272: void absitvd(IntervalDouble, Num *);
! 273: void distanceitvd(IntervalDouble, IntervalDouble, Num *);
1.1 saito 274:
275: #endif /* end of INTERVAL */
276: #endif /* end of _INTERVAL_H */
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