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| author | Ralf Wildenhues <Ralf.Wildenhues@gmx.de> | 2008-02-22 06:17:46 +0000 |
|---|---|---|
| committer | Ralf Wildenhues <rwild@gcc.gnu.org> | 2008-02-22 06:17:46 +0000 |
| commit | ae3115664af05ea853e101ea812148a12c5ed96b (patch) | |
| tree | 3f5c89f2924defd243a7584af42364ce079bb2fd /gcc/testsuite/gcc.dg/Wfloat-equal-1.c | |
| parent | 24219f12064acaa1575b66a9f498e8bc7b4894f9 (diff) | |
| download | gcc-ae3115664af05ea853e101ea812148a12c5ed96b.zip gcc-ae3115664af05ea853e101ea812148a12c5ed96b.tar.gz gcc-ae3115664af05ea853e101ea812148a12c5ed96b.tar.bz2 | |
re PR c/19999 (-Wfloat-equal does not warn for complex numbers)
gcc/:
PR c/19999
* c-typeck.c (build_binary_op): Warn about floating point
comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
gcc/cp/:
* typeck.c (build_binary_op): Warn about floating point
comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
gcc/testsuite/:
* gcc.dg/Wfloat-equal-1.c: New.
* g++.dg/warn/Wfloat-equal-1.C: New.
From-SVN: r132540
Diffstat (limited to 'gcc/testsuite/gcc.dg/Wfloat-equal-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/Wfloat-equal-1.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/Wfloat-equal-1.c b/gcc/testsuite/gcc.dg/Wfloat-equal-1.c new file mode 100644 index 0000000..36b3fa5 --- /dev/null +++ b/gcc/testsuite/gcc.dg/Wfloat-equal-1.c @@ -0,0 +1,10 @@ +/* PR c/19999 */ +/* { dg-do compile } */ +/* { dg-options "-Wfloat-equal" } */ + +double a, b; +_Complex double c, d; +int f(void) { return a == b; } /* { dg-warning "comparing floating point" } */ +int g(void) { return c == d; } /* { dg-warning "comparing floating point" } */ +int h(void) { return a != b; } /* { dg-warning "comparing floating point" } */ +int i(void) { return c != d; } /* { dg-warning "comparing floating point" } */ |