svn commit: r189803 - head/lib/msun/src
David Schultz
das at FreeBSD.org
Sat Mar 14 11:24:16 PDT 2009
Author: das
Date: Sat Mar 14 18:24:15 2009
New Revision: 189803
URL: http://svn.freebsd.org/changeset/base/189803
Log:
Eliminate __real__ and __imag__ gccisms.
Modified:
head/lib/msun/src/math_private.h
head/lib/msun/src/s_cimag.c
head/lib/msun/src/s_cimagf.c
head/lib/msun/src/s_cimagl.c
Modified: head/lib/msun/src/math_private.h
==============================================================================
--- head/lib/msun/src/math_private.h Sat Mar 14 18:19:50 2009 (r189802)
+++ head/lib/msun/src/math_private.h Sat Mar 14 18:24:15 2009 (r189803)
@@ -190,6 +190,27 @@ do { \
void _scan_nan(uint32_t *__words, int __num_words, const char *__s);
#ifdef _COMPLEX_H
+
+/*
+ * C99 specifies that complex numbers have the same representation as
+ * an array of two elements, where the first element is the real part
+ * and the second element is the imaginary part.
+ */
+typedef union {
+ float complex f;
+ float a[2];
+} float_complex;
+typedef union {
+ double complex f;
+ double a[2];
+} double_complex;
+typedef union {
+ long double complex f;
+ long double a[2];
+} long_double_complex;
+#define REALPART(z) ((z).a[0])
+#define IMAGPART(z) ((z).a[1])
+
/*
* Inline functions that can be used to construct complex values.
*
@@ -203,31 +224,31 @@ void _scan_nan(uint32_t *__words, int __
static __inline float complex
cpackf(float x, float y)
{
- float complex z;
+ float_complex z;
- __real__ z = x;
- __imag__ z = y;
- return (z);
+ REALPART(z) = x;
+ IMAGPART(z) = y;
+ return (z.f);
}
static __inline double complex
cpack(double x, double y)
{
- double complex z;
+ double_complex z;
- __real__ z = x;
- __imag__ z = y;
- return (z);
+ REALPART(z) = x;
+ IMAGPART(z) = y;
+ return (z.f);
}
static __inline long double complex
cpackl(long double x, long double y)
{
- long double complex z;
+ long_double_complex z;
- __real__ z = x;
- __imag__ z = y;
- return (z);
+ REALPART(z) = x;
+ IMAGPART(z) = y;
+ return (z.f);
}
#endif /* _COMPLEX_H */
Modified: head/lib/msun/src/s_cimag.c
==============================================================================
--- head/lib/msun/src/s_cimag.c Sat Mar 14 18:19:50 2009 (r189802)
+++ head/lib/msun/src/s_cimag.c Sat Mar 14 18:24:15 2009 (r189803)
@@ -27,10 +27,12 @@
*/
#include <complex.h>
+#include "math_private.h"
double
cimag(double complex z)
{
+ const double_complex z1 = { .f = z };
- return (__imag__ z);
+ return (IMAGPART(z1));
}
Modified: head/lib/msun/src/s_cimagf.c
==============================================================================
--- head/lib/msun/src/s_cimagf.c Sat Mar 14 18:19:50 2009 (r189802)
+++ head/lib/msun/src/s_cimagf.c Sat Mar 14 18:24:15 2009 (r189803)
@@ -27,10 +27,12 @@
*/
#include <complex.h>
+#include "math_private.h"
float
cimagf(float complex z)
{
+ const float_complex z1 = { .f = z };
- return (__imag__ z);
+ return (IMAGPART(z1));
}
Modified: head/lib/msun/src/s_cimagl.c
==============================================================================
--- head/lib/msun/src/s_cimagl.c Sat Mar 14 18:19:50 2009 (r189802)
+++ head/lib/msun/src/s_cimagl.c Sat Mar 14 18:24:15 2009 (r189803)
@@ -27,10 +27,12 @@
*/
#include <complex.h>
+#include "math_private.h"
long double
cimagl(long double complex z)
{
+ const long_double_complex z1 = { .f = z };
- return (__imag__ z);
+ return (IMAGPART(z1));
}
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