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// RUN: %clang_cc1 -verify -fsyntax-only %s -Wdouble-promotion
float ReturnFloatFromDouble(double d) {
return d;
}
float ReturnFloatFromLongDouble(long double ld) {
return ld;
}
double ReturnDoubleFromLongDouble(long double ld) {
return ld;
}
double ReturnDoubleFromFloat(float f) {
return f; //expected-warning{{implicit conversion increases floating-point precision: 'float' to 'double'}}
}
long double ReturnLongDoubleFromFloat(float f) {
return f; //expected-warning{{implicit conversion increases floating-point precision: 'float' to 'long double'}}
}
long double ReturnLongDoubleFromDouble(double d) {
return d; //expected-warning{{implicit conversion increases floating-point precision: 'double' to 'long double'}}
}
void Convert(float f, double d, long double ld) {
d = f; //expected-warning{{implicit conversion increases floating-point precision: 'float' to 'double'}}
ld = f; //expected-warning{{implicit conversion increases floating-point precision: 'float' to 'long double'}}
ld = d; //expected-warning{{implicit conversion increases floating-point precision: 'double' to 'long double'}}
f = d;
f = ld;
d = ld;
}
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