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Diffstat (limited to 'sysdeps/ieee754/flt-32/s_nextupf.c')
-rw-r--r--sysdeps/ieee754/flt-32/s_nextupf.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/ieee754/flt-32/s_nextupf.c b/sysdeps/ieee754/flt-32/s_nextupf.c
new file mode 100644
index 0000000000..87ec7ba21f
--- /dev/null
+++ b/sysdeps/ieee754/flt-32/s_nextupf.c
@@ -0,0 +1,48 @@
+/* Return the least floating-point number greater than X.
+ Copyright (C) 2016-2018 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
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <float.h>
+#include <math.h>
+#include <math_private.h>
+#include <libm-alias-float.h>
+
+/* Return the least floating-point number greater than X. */
+float
+__nextupf (float x)
+{
+ int32_t hx, ix;
+
+ GET_FLOAT_WORD (hx, x);
+ ix = hx & 0x7fffffff;
+ if (ix == 0)
+ return FLT_TRUE_MIN;
+ if (ix > 0x7f800000) /* x is nan. */
+ return x + x;
+ if (hx >= 0)
+ { /* x > 0. */
+ if (isinf (x))
+ return x;
+ hx += 1;
+ }
+ else
+ hx -= 1;
+ SET_FLOAT_WORD (x, hx);
+ return x;
+}
+
+libm_alias_float (__nextup, nextup)