#include #include "mconf.h" extern float MAXNUMF, MAXLOGF, MINLOGF; int main() { float exp1, minnum, x, y, z, e; exp1 = expf(1.0F); minnum = powif(2.0F,-149); x = exp1; y = MINLOGF + logf(0.501); /*y = MINLOGF - 0.405;*/ z = powf(x,y); e = (z - minnum) / minnum; printf("%.16e %.16e\n", z, e); x = exp1; y = MAXLOGF; z = powf(x,y); e = (z - MAXNUMF) / MAXNUMF; printf("%.16e %.16e\n", z, e); x = MAXNUMF; y = 1.0F/MAXLOGF; z = powf(x,y); e = (z - exp1) / exp1; printf("%.16e %.16e\n", z, e); x = exp1; y = MINLOGF; z = powf(x,y); e = (z - minnum) / minnum; printf("%.16e %.16e\n", z, e); exit(0); }