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authorpeter <peter@FreeBSD.org>2008-06-01 00:03:21 +0000
committerpeter <peter@FreeBSD.org>2008-06-01 00:03:21 +0000
commita2be5f0c15218b0177d73b17d9bcb7589965d685 (patch)
treec9f0cd9c22378356a1716d32e13e70bc90f98b9c /libf2c/libF77/cabs.c
parent9e0f3cc19c9df1594c9cc36cfd8fddc83c52ad12 (diff)
downloadFreeBSD-src-a2be5f0c15218b0177d73b17d9bcb7589965d685.zip
FreeBSD-src-a2be5f0c15218b0177d73b17d9bcb7589965d685.tar.gz
Reorganize the gcc vendor import work area. This flattens out a bunch
of unnecessary path components that are relics of cvs2svn. (These are directory moves)
Diffstat (limited to 'libf2c/libF77/cabs.c')
-rw-r--r--libf2c/libF77/cabs.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/libf2c/libF77/cabs.c b/libf2c/libF77/cabs.c
new file mode 100644
index 0000000..5d2142e
--- /dev/null
+++ b/libf2c/libF77/cabs.c
@@ -0,0 +1,24 @@
+#undef abs
+#include <math.h>
+double
+f__cabs (double real, double imag)
+{
+ double temp;
+
+ if (real < 0)
+ real = -real;
+ if (imag < 0)
+ imag = -imag;
+ if (imag > real)
+ {
+ temp = real;
+ real = imag;
+ imag = temp;
+ }
+ if ((real + imag) == real)
+ return (real);
+
+ temp = imag / real;
+ temp = real * sqrt (1.0 + temp * temp); /*overflow!! */
+ return (temp);
+}
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