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// RUN: %clang_cc1 -fsyntax-only -Wliteral-conversion -verify %s
void foo(int y);
// Warn when a literal float or double is assigned or bound to an integer.
void test0() {
// Float
int y0 = 1.2222F; // expected-warning {{implicit conversion turns literal floating-point number into integer}}
int y1 = (1.2222F); // expected-warning {{implicit conversion turns literal floating-point number into integer}}
int y2 = (((1.2222F))); // expected-warning {{implicit conversion turns literal floating-point number into integer}}
int y3 = 12E1F; // expected-warning {{implicit conversion turns literal floating-point number into integer}}
int y4 = 1.2E1F; // expected-warning {{implicit conversion turns literal floating-point number into integer}}
// Double
int y5 = 1.2222; // expected-warning {{implicit conversion turns literal floating-point number into integer}}
int y6 = 12E1; // expected-warning {{implicit conversion turns literal floating-point number into integer}}
int y7 = 1.2E1; // expected-warning {{implicit conversion turns literal floating-point number into integer}}
int y8 = (1.2E1); // expected-warning {{implicit conversion turns literal floating-point number into integer}}
// Test assignment to an existing variable.
y8 = 2.22F; // expected-warning {{implicit conversion turns literal floating-point number into integer}}
// Test direct initialization.
int y9(1.23F); // expected-warning {{implicit conversion turns literal floating-point number into integer}}
// Test passing a literal floating-point value to a function that takes an integer.
foo(1.2F); // expected-warning {{implicit conversion turns literal floating-point number into integer}}
// FIXME: -Wconversion-literal doesn't catch "-1.2F".
int y10 = -1.2F;
// -Wconversion-literal does NOT catch const values.
// (-Wconversion DOES catch them.)
static const float sales_tax_rate = .095F;
int z = sales_tax_rate;
foo(sales_tax_rate);
// Expressions, such as those that indicate rounding-down, should NOT produce warnings.
int x = 24 * 0.5;
int y = (24*60*60) * 0.25;
int pennies = 123.45 * 100;
}
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