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-rw-r--r--newlib/libm/math/wf_fmod.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/newlib/libm/math/wf_fmod.c b/newlib/libm/math/wf_fmod.c
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+++ b/newlib/libm/math/wf_fmod.c
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+/* wf_fmod.c -- float version of w_fmod.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.
+ * ====================================================
+ */
+
+/*
+ * wrapper fmodf(x,y)
+ */
+
+#include "fdlibm.h"
+#include <errno.h>
+
+#ifdef __STDC__
+ float fmodf(float x, float y) /* wrapper fmodf */
+#else
+ float fmodf(x,y) /* wrapper fmodf */
+ float x,y;
+#endif
+{
+#ifdef _IEEE_LIBM
+ return __ieee754_fmodf(x,y);
+#else
+ float z;
+ struct exception exc;
+ z = __ieee754_fmodf(x,y);
+ if(_LIB_VERSION == _IEEE_ ||isnanf(y)||isnanf(x)) return z;
+ if(y==(float)0.0) {
+ /* fmodf(x,0) */
+ exc.type = DOMAIN;
+ exc.name = "fmodf";
+ exc.err = 0;
+ exc.arg1 = (double)x;
+ exc.arg2 = (double)y;
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = x;
+ else
+ exc.retval = 0.0/0.0;
+ if (_LIB_VERSION == _POSIX_)
+ errno = EDOM;
+ else if (!matherr(&exc)) {
+ errno = EDOM;
+ }
+ if (exc.err != 0)
+ errno = exc.err;
+ return (float)exc.retval;
+ } else
+ return z;
+#endif
+}
+
+#ifdef _DOUBLE_IS_32BITS
+
+#ifdef __STDC__
+ double fmod(double x, double y)
+#else
+ double fmod(x,y)
+ double x,y;
+#endif
+{
+ return (double) fmodf((float) x, (float) y);
+}
+
+#endif /* defined(_DOUBLE_IS_32BITS) */