| /* Test for diagnostics for Wconversion between floating-point and |
| integers. */ |
| |
| /* { dg-do compile } |
| /* { dg-options "-std=c99 -Wconversion" } */ |
| |
| #include <limits.h> |
| |
| void fsi (signed int x); |
| void fui (unsigned int x); |
| void ffloat (float x); |
| void fdouble (double x); |
| |
| float vfloat; |
| double vdouble; |
| |
| void h (void) |
| { |
| unsigned int ui = 3; |
| int si = 3; |
| unsigned char uc = 3; |
| signed char sc = 3; |
| float f = 3; |
| double d = 3; |
| |
| fsi (3.1f); /* { dg-warning "conversion" } */ |
| si = 3.1f; /* { dg-warning "conversion" } */ |
| fsi (3.1); /* { dg-warning "conversion" } */ |
| si = 3.1; /* { dg-warning "conversion" } */ |
| fsi (d); /* { dg-warning "conversion" } */ |
| si = d; /* { dg-warning "conversion" } */ |
| fui (-1.0); /* { dg-warning "overflow" } */ |
| ui = -1.0; /* { dg-warning "overflow" } */ |
| ffloat (INT_MAX); /* { dg-warning "conversion" } */ |
| vfloat = INT_MAX; /* { dg-warning "conversion" } */ |
| ffloat (16777217); /* { dg-warning "conversion" } */ |
| vfloat = 16777217; /* { dg-warning "conversion" } */ |
| ffloat (si); /* { dg-warning "conversion" } */ |
| vfloat = si; /* { dg-warning "conversion" } */ |
| ffloat (ui); /* { dg-warning "conversion" } */ |
| vfloat = ui; /* { dg-warning "conversion" } */ |
| |
| fsi (3); |
| si = 3; |
| fsi (3.0f); |
| si = 3.0f; |
| fsi (3.0); |
| si = 3.0; |
| fsi (16777217.0f); |
| si = 16777217.0f; |
| fsi ((int) 3.1); |
| si = (int) 3.1; |
| ffloat (3U); |
| vfloat = 3U; |
| ffloat (3); |
| vfloat = 3; |
| ffloat (INT_MIN); |
| vfloat = INT_MIN; |
| ffloat (uc); |
| vfloat = uc; |
| ffloat (sc); |
| vfloat = sc; |
| |
| fdouble (UINT_MAX); |
| vdouble = UINT_MAX; |
| fdouble (ui); |
| vdouble = ui; |
| fdouble (si); |
| vdouble = si; |
| } |
| |
| |