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-rw-r--r--ChangeLog8
-rw-r--r--math/Makefile4
-rw-r--r--math/bug-tgmath1.c33
-rw-r--r--math/tgmath.h37
4 files changed, 77 insertions, 5 deletions
diff --git a/ChangeLog b/ChangeLog
index 04f4aad..ab752fc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2004-05-06 Ulrich Drepper <drepper@redhat.com>
+
+ * math/tgmath.h (__TGMATH_UNARY_REAL_IMAG_RET_REAL):Define.
+ (cimag): Use it.
+ (creal): Likewise.
+ * math/Makefile (tests): Add bug-tgmath1.
+ * math/bug-tgmath1.c: New file.
+
2004-05-05 Jakub Jelinek <jakub@redhat.com>
* sysdeps/alpha/atomicity.h: Remove.
diff --git a/math/Makefile b/math/Makefile
index 6a9134b..c4501b8 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1996-2001, 2002, 2003 Free Software Foundation, Inc.
+# Copyright (C) 1996-2001, 2002, 2003, 2004 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
@@ -89,7 +89,7 @@ distribute += $(filter-out $(generated),$(long-m-yes:=.c) $(long-c-yes:=.c))
# Rules for the test suite.
tests = test-matherr test-fenv atest-exp atest-sincos atest-exp2 basic-test \
test-misc test-fpucw tst-definitions test-tgmath test-tgmath-ret \
- bug-nextafter bug-nexttoward
+ bug-nextafter bug-nexttoward bug-tgmath1
# We do the `long double' tests only if this data type is available and
# distinct from `double'.
test-longdouble-yes = test-ldouble test-ildoubl
diff --git a/math/bug-tgmath1.c b/math/bug-tgmath1.c
new file mode 100644
index 0000000..8a457fa
--- /dev/null
+++ b/math/bug-tgmath1.c
@@ -0,0 +1,33 @@
+#include <stdio.h>
+#include <tgmath.h>
+
+
+int
+main (void)
+{
+ int retval = 0;
+
+#define TEST(expr, res) \
+ if (sizeof (expr) != res) \
+ { \
+ printf ("sizeof(%s) == %zu, expected %zu\n", #expr, \
+ sizeof (expr), (size_t) (res)); \
+ retval = 1; \
+ }
+
+ TEST (creal (1.0), sizeof (double));
+ TEST (creal (1.0 + 1.0i), sizeof (double));
+ TEST (creal (1.0l), sizeof (long double));
+ TEST (creal (1.0l + 1.0li), sizeof (long double));
+ TEST (creal (1.0f), sizeof (float));
+ TEST (creal (1.0f + 1.0fi), sizeof (float));
+
+ TEST (cimag (1.0), sizeof (double));
+ TEST (cimag (1.0 + 1.0i), sizeof (double));
+ TEST (cimag (1.0l), sizeof (long double));
+ TEST (cimag (1.0l + 1.0li), sizeof (long double));
+ TEST (cimag (1.0f), sizeof (float));
+ TEST (cimag (1.0f + 1.0fi), sizeof (float));
+
+ return retval;
+}
diff --git a/math/tgmath.h b/math/tgmath.h
index 168b262..0202e10 100644
--- a/math/tgmath.h
+++ b/math/tgmath.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 1997, 1998, 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 1999, 2000, 2001, 2003, 2004
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -177,6 +178,36 @@
/* XXX This definition has to be changed as soon as the compiler understands
the imaginary keyword. */
+# define __TGMATH_UNARY_REAL_IMAG_RET_REAL(Val, Fct, Cfct) \
+ (__extension__ ({ __tgmath_real_type (Val) __tgmres; \
+ if (sizeof (__real__ (Val)) > sizeof (double) \
+ && __builtin_classify_type (__real__ (Val)) == 8) \
+ { \
+ if (sizeof (__real__ (Val)) == sizeof (Val)) \
+ __tgmres = __tgml(Fct) (Val); \
+ else \
+ __tgmres = __tgml(Cfct) (Val); \
+ } \
+ else if (sizeof (__real__ (Val)) == sizeof (double) \
+ || __builtin_classify_type (__real__ (Val)) \
+ != 8) \
+ { \
+ if (sizeof (__real__ (Val)) == sizeof (Val)) \
+ __tgmres = Fct (Val); \
+ else \
+ __tgmres = Cfct (Val); \
+ } \
+ else \
+ { \
+ if (sizeof (__real__ (Val)) == sizeof (Val)) \
+ __tgmres = Fct##f (Val); \
+ else \
+ __tgmres = Cfct##f (Val); \
+ } \
+ __real__ __tgmres; }))
+
+/* XXX This definition has to be changed as soon as the compiler understands
+ the imaginary keyword. */
# define __TGMATH_BINARY_REAL_IMAG(Val1, Val2, Fct, Cfct) \
(__extension__ ({ __tgmath_real_type ((Val1) + (Val2)) __tgmres; \
if ((sizeof (__real__ (Val1)) > sizeof (double) \
@@ -420,9 +451,9 @@
/* Decomposing complex values. */
/* Imaginary part of Z. */
-#define cimag(Val) __TGMATH_UNARY_REAL_IMAG (Val, cimag, cimag)
+#define cimag(Val) __TGMATH_UNARY_REAL_IMAG_RET_REAL (Val, cimag, cimag)
/* Real part of Z. */
-#define creal(Val) __TGMATH_UNARY_REAL_IMAG (Val, creal, creal)
+#define creal(Val) __TGMATH_UNARY_REAL_IMAG_RET_REAL (Val, creal, creal)
#endif /* tgmath.h */