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/* PR c/48956: Test for diagnostics for implicit conversions involving complex
types. See also Wconversion-complex-c99.c.
These tests cover integer complex values (which are GNU extensions). */
/* { dg-do compile } */
/* { dg-skip-if "doubles are floats,ints are 16bits" { "avr-*-*" } } */
/* { dg-options " -std=gnu99 -Wconversion " } */
/* { dg-require-effective-target int32plus } */
/* { dg-require-effective-target double64plus } */
#include <limits.h>
void fsi (int);
void fui (unsigned);
void ffloat (float);
int vsi;
unsigned int vui;
float vfloat;
void fsic (int _Complex);
void fuic (unsigned _Complex);
void ffloatc (float _Complex);
int _Complex vsic;
unsigned _Complex vuic;
float _Complex vfloatc;
/* Check implicit conversions of float complex-domain values to integer
complex-domain types. */
void
var_float_to_int (void)
{
double _Complex doublec = 0.;
fsic (doublec); /* { dg-warning "conversion" } */
fuic (doublec); /* { dg-warning "conversion" } */
vsic = doublec; /* { dg-warning "conversion" } */
vuic = doublec; /* { dg-warning "conversion" } */
}
/* Check implicit conversions of integer complex-domain values to integer
real-domain types. */
void
var_complex_to_real (void)
{
int _Complex ic = 0;
unsigned _Complex uc = 0;
unsigned long long _Complex ullc = 0;
fsic (ic);
fuic (uc);
vsic = ic;
vuic = uc;
fsi (ic); /* { dg-warning "conversion" } */
vsi = ic; /* { dg-warning "conversion" } */
fui (uc); /* { dg-warning "conversion" } */
vui = uc; /* { dg-warning "conversion" } */
fuic (ullc); /* { dg-warning "conversion" } */
vuic = ullc; /* { dg-warning "conversion" } */
fui (ic); /* { dg-warning "conversion" } */
vui = ic; /* { dg-warning "conversion" } */
}
/* Check implicit conversions of float complex-domain constants to integer
types. */
void
const_float_to_int (void)
{
fsic (1. - 1.i);
fuic (1. + 1.i);
vsic = 1. - 1.i;
vuic = 1. + 1.i;
fsic (0.5 + 0.i); /* { dg-warning "conversion" } */
vsic = 0.5 + 0.i; /* { dg-warning "conversion" } */
fuic (0.5 + 0.i); /* { dg-warning "conversion" } */
}
/* Check implicit conversions of integer complex-domain constants to integer
types. */
void
const_complex_int_to_real_int (void)
{
fsi (-1 + 0i);
fui (1 + 0i);
vsi = -1 + 0i;
vui = 1 + 0i;
fui (1 + 1i); /* { dg-warning "conversion" } */
vui = 1 + 1i; /* { dg-warning "conversion" } */
fui (UINT_MAX + 1ull + 0i); /* { dg-warning "conversion" } */
vui = UINT_MAX + 1ull + 0i; /* { dg-warning "conversion" } */
ffloat (UINT_MAX + 0i); /* { dg-warning "conversion" } */
vfloat = UINT_MAX + 0i; /* { dg-warning "conversion" } */
}
void
const_complex_int_narrowing (void)
{
fsic (1 - 1i);
fuic (1 + 1i);
vsic = 1 - 1i;
vuic = 1 + 1i;
fuic (UINT_MAX + 1ull + 1i); /* { dg-warning "conversion" } */
fuic ((UINT_MAX + 1ull) * 1i); /* { dg-warning "conversion" } */
fuic ((UINT_MAX + 1ull) + (UINT_MAX + 1ull) * 1i); /* { dg-warning "conversion" } */
vuic = (UINT_MAX + 1ull) * 1i; /* { dg-warning "conversion" } */
vuic = (UINT_MAX + 1ull) + 1i; /* { dg-warning "conversion" } */
vuic = (UINT_MAX + 1ull) + (UINT_MAX + 1ull) * 1i; /* { dg-warning "conversion" } */
ffloatc (UINT_MAX * 1i); /* { dg-warning "conversion" } */
ffloatc (UINT_MAX + 1i); /* { dg-warning "conversion" } */
ffloatc (UINT_MAX + UINT_MAX * 1i); /* { dg-warning "conversion" } */
vfloatc = UINT_MAX * 1i; /* { dg-warning "conversion" } */
vfloatc = UINT_MAX + 1i; /* { dg-warning "conversion" } */
vfloatc = UINT_MAX + UINT_MAX * 1i; /* { dg-warning "conversion" } */
}
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