#include <stdio.h>
#include <math.h>
int main(int argc, char **argv)
{
printf("log1p(1) = %f\n", log1p(1));
printf("log1p(0) = %f\n", log1p(0));
printf("log1p(-0) = %f\n", log1p(-0));
printf("log1p(5) = %f\n", log1p(5));
printf("log1p(100) = %f\n", log1p(100));
printf("log1p(125) = %f\n", log1p(125));
printf("log1p(125) / log1p(5) = %f\n", log1p(125) / log1p(5));
printf("log1p(3.5) = %f\n", log1p(3.5));
printf("log1p(1000) = %f\n", log1p(1000));
printf("log1p(0.001) = %f\n", log1p(0.001));
return 0;
}
/*
run:
log1p(1) = 0.693147
log1p(0) = 0.000000
log1p(-0) = 0.000000
log1p(5) = 1.791759
log1p(100) = 4.615121
log1p(125) = 4.836282
log1p(125) / log1p(5) = 2.699180
log1p(3.5) = 1.504077
log1p(1000) = 6.908755
log1p(0.001) = 0.001000
*/
