Note: I removed the test that used sin() function because it makes no sense to use that there and besides I could not get the test to work because sin requires -lm linked but for some reason make does not compile with -lm and I get errors like undefined symbol sin. Coerce function should do the same thing for the purposes of that test.
Unified · Split
| @@ -14,6 +14,12 @@ test() · 13 unmodified lines | ||
| 14 | 14 | } |
| 15 | 15 | } |
| 16 | 16 | |
| 17 | +double coerce(double x) | |
| 18 | +{ | |
| 19 | + x++; | |
| 20 | + return x; | |
| 21 | +} | |
| 22 | + | |
| 17 | 23 | int main() |
| 18 | 24 | { |
| 19 | 25 | // variables |
| @@ -55,7 +61,31 @@ int main() · 35 unmodified lines | ||
| 55 | 61 | // type coercion |
| 56 | 62 | a = 2; |
| 57 | 63 | printf("%f\n", a); |
| 58 | − printf("%f\n", sin(2)); | |
| 64 | + printf("%f\n", coerce(2)); | |
| 65 | + | |
| 66 | + //type conversion to unsigned long int | |
| 67 | + float f = 3421.439; | |
| 68 | + double d = 7855.332231; | |
| 69 | + long double ld = 2469.346786989643234; | |
| 70 | + | |
| 71 | + unsigned long int i; | |
| 72 | + i = f; | |
| 73 | + printf("%lu\n", i); | |
| 74 | + i = d; | |
| 75 | + printf("%lu\n", i); | |
| 76 | + i = ld; | |
| 77 | + printf("%lu\n", i); | |
| 78 | + | |
| 79 | + f = -3421.439; | |
| 80 | + d = -7855.332231; | |
| 81 | + ld = -2469.346786989643234; | |
| 82 | + i = f; | |
| 83 | + printf("%lu\n", i); | |
| 84 | + i = d; | |
| 85 | + printf("%lu\n", i); | |
| 86 | + i = ld; | |
| 87 | + printf("%lu\n", i); | |
| 88 | + | |
| 59 | 89 | |
| 60 | 90 | return 0; |
| 61 | 91 | } |
| @@ -13,4 +13,10 @@ · 12 unmodified lines | ||
| 13 | 13 | 12.340000 |
| 14 | 14 | -12.340000 |
| 15 | 15 | 2.000000 |
| 16 | −0.909297 | |
| 16 | +3.000000 | |
| 17 | +3421 | |
| 18 | +7855 | |
| 19 | +2469 | |
| 20 | +18446744073709548195 | |
| 21 | +18446744073709543761 | |
| 22 | +18446744073709549147 | |