Lines Matching refs:INTERVAL
112 typedef struct interval
116 INTERVAL;
118 INTERVAL vmul(double, double, INTERVAL);
119 INTERVAL vdiv(double, double, INTERVAL);
124 int dcheck(INTERVAL);
127 INTERVAL vreg[26];
140 INTERVAL vval; /* interval values*/
451 static INTERVAL
454 /* returns the smallest interval containing a, b, c, and d */
456 INTERVAL v;
486 INTERVAL
487 vmul(double a, double b, INTERVAL v)
493 dcheck(INTERVAL v)
497 printf("divisor interval contains 0.\n");
503 INTERVAL
504 vdiv(double a, double b, INTERVAL v)
805 (void) printf("interval out of order\n");