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