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CPM OPERATING SYSTEMS/CPM 68K/1.0X SOURCES/v102/libf/fmod.c

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+/*
+	Copyright 1983
+	Alcyon Corporation
+	8716 Production Ave.
+	San Diego, Ca.  92121
+*/
+
+/*char *version "@(#) fmod - Feb 11, 1983";
+
+/* fmod - returns the number f such that x = iy + f, and
+		  0 <= f <= y. */
+
+double
+fmod(x,y)
+double x;
+double y;
+{
+	double z;
+	double retval;
+	register long i;
+	double fabs();
+	double absx;
+	double absy;
+
+	absx = fabs(x);
+	absy = fabs(y);
+	for(z = absx; z - absy >= 0. ; z -= absy)
+			;
+	i = z;
+	if( x < 0.0 )
+		i *= -1;
+	retval = i;
+	return( retval );
+}