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authorChristopher Faylor <me@cgf.cx>2000-02-17 19:39:52 +0000
committerChristopher Faylor <me@cgf.cx>2000-02-17 19:39:52 +0000
commit8a0efa53e44919bcf5ccb1d3353618a82afdf8bc (patch)
tree68c3dbf3f2c6fd5d49777def9914d77b5cd4589d /newlib/libm/common/s_infinity.c
parent1fd5e000ace55b323124c7e556a7a864b972a5c4 (diff)
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import newlib-2000-02-17 snapshot
Diffstat (limited to 'newlib/libm/common/s_infinity.c')
-rw-r--r--newlib/libm/common/s_infinity.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/newlib/libm/common/s_infinity.c b/newlib/libm/common/s_infinity.c
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+++ b/newlib/libm/common/s_infinity.c
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+/*
+ * infinity () returns the representation of infinity.
+ * Added by Cygnus Support.
+ */
+
+/*
+FUNCTION
+ <<infinity>>, <<infinityf>>---representation of infinity
+
+INDEX
+ infinity
+INDEX
+ infinityf
+
+ANSI_SYNOPSIS
+ #include <math.h>
+ double infinity(void);
+ float infinityf(void);
+
+TRAD_SYNOPSIS
+ #include <math.h>
+ double infinity();
+ float infinityf();
+
+
+DESCRIPTION
+ <<infinity>> and <<infinityf>> return the special number IEEE
+ infinity in double and single precision arithmetic
+ respectivly.
+
+QUICKREF
+ infinity - pure
+
+*/
+
+#include "fdlibm.h"
+
+#ifndef _DOUBLE_IS_32BITS
+
+ double infinity()
+{
+ double x;
+
+ INSERT_WORDS(x,0x7ff00000,0);
+ return x;
+}
+
+#endif /* _DOUBLE_IS_32BITS */