Ticket #758: tryfloatval_mod.c
File tryfloatval_mod.c, 463 bytes (added by doughera, 13 years ago) |
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1 | #include <math.h> |
2 | #include <stdio.h> |
3 | |
4 | double |
5 | floatval_mod(double n2, double n3) |
6 | { |
7 | return (n2 - n3 * floor(n2 / n3)); |
8 | } |
9 | void |
10 | try(double x, double y, double answer) |
11 | { |
12 | printf("floor(%4.1f/%4.1f) = %4.1f, floatval_mod(%4.1f, %4.1f) = %4.1f, expect %4.1f\n", |
13 | x, y, floor(x/y), x, y, floatval_mod(x, y), answer); |
14 | return; |
15 | } |
16 | |
17 | int main(int argc, char **argv) |
18 | { |
19 | try(5.0, -3.0, -1.0); |
20 | try(-5.0, 3.0, 1.0); |
21 | try(-5.0, -3.0, -2.0); |
22 | return 0; |
23 | } |