Lines Matching defs:dd
196 * A struct dd represents a floating-point number with twice the precision
200 struct dd {
206 * Compute a+b exactly, returning the exact result in a struct dd. We assume
210 static inline struct dd dd_add(double a, double b)
212 struct dd ret;
234 struct dd sum;
257 struct dd sum;
287 * Compute a*b exactly, returning the exact result in a struct dd. We assume
291 static inline struct dd dd_mul(double a, double b)
294 struct dd ret;
336 struct dd xy, r;