summaryrefslogtreecommitdiff
path: root/src/math/sf_fabs.c
diff options
context:
space:
mode:
authorBdale Garbee <bdale@gag.com>2013-12-19 01:38:40 -0700
committerBdale Garbee <bdale@gag.com>2013-12-19 01:38:40 -0700
commit575bbaf976c5840fd0e308549c45a466fdec1352 (patch)
tree11bfb498348bf7687bffc24699c4b1a998988ee4 /src/math/sf_fabs.c
parentb825116df173b77e2cab217a7b76112c742f9279 (diff)
parentbc3610d8cecbfed40c62d4dcb93fc9a4d2a7c9e3 (diff)
Merge branch 'branch-1.3' into debian
Conflicts: ChangeLog altoslib/AltosRecordMM.java altosui/Makefile.am altosui/altos-windows.nsi.in configure.ac debian/changelog debian/control doc/Makefile doc/altusmetrum.xsl doc/release-notes-1.2.1.xsl doc/release-notes-1.2.xsl
Diffstat (limited to 'src/math/sf_fabs.c')
-rw-r--r--src/math/sf_fabs.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/src/math/sf_fabs.c b/src/math/sf_fabs.c
new file mode 100644
index 00000000..2aaed326
--- /dev/null
+++ b/src/math/sf_fabs.c
@@ -0,0 +1,47 @@
+/* sf_fabs.c -- float version of s_fabs.c.
+ * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+/*
+ * fabsf(x) returns the absolute value of x.
+ */
+
+#include "fdlibm.h"
+
+#ifdef __STDC__
+ float fabsf(float x)
+#else
+ float fabsf(x)
+ float x;
+#endif
+{
+ __uint32_t ix;
+ GET_FLOAT_WORD(ix,x);
+ SET_FLOAT_WORD(x,ix&0x7fffffff);
+ return x;
+}
+
+#ifdef _DOUBLE_IS_32BITS
+
+#ifdef __STDC__
+ double fabs(double x)
+#else
+ double fabs(x)
+ double x;
+#endif
+{
+ return (double) fabsf((float) x);
+}
+
+#endif /* defined(_DOUBLE_IS_32BITS) */