ref: c2a5d7e3f28e86aeef1e4e37e2b88e46af90b62c
dir: /sys/src/libgeometry/utils.c/
#include <u.h> #include <libc.h> #include <geometry.h> double flerp(double a, double b, double t) { return a + (b - a)*t; } double fclamp(double n, double min, double max) { return n < min? min: n > max? max: n; }