updated header | added new natives from new small sdk

plugins/include/float.inc

@@ -1,35 +1,74 @@
 /* Float arithmetic
- *
+*
- * (c) Copyright 1999, Artran, Inc.
+* (c) Copyright 1999, Artran, Inc.
- * Written by Greg Garner (gmg@artran.com)
+*  Written by Greg Garner (gmg@artran.com)
- * Modified in March 2001 to include user defined
+*  Modified in March 2001 to include user defined
- * operators for the floating point functions.
+*  operators for the floating point functions.
- *
+*
- * This file is provided as is (no warranties).
+* This file is provided as is (no warranties).
- */
+*/
-
-#if defined _float_included
-  #endinput
-#endif
-#define _float_included
-
-native Float:float(value);
-native Float:floatstr(const string[]);
-native Float:floatmul(Float:oper1, Float:oper2);
-native Float:floatdiv(Float:dividend, Float:divisor);
-native Float:floatadd(Float:dividend, Float:divisor);
-native Float:floatsub(Float:oper1, Float:oper2);
-native Float:floatfract(Float:value);
 
+/* Different methods of rounding */
 enum floatround_method {
-  floatround_round,
+	floatround_round = 0,
 	floatround_floor,
-  floatround_ceil
+	floatround_ceil,
+	floatround_tozero
 }
 
+enum anglemode {
+	radian = 0,
+	degrees,
+	grades
+}
+
+/* Convert an integer into a floating point value */
+native Float:float(value);
+
+/* Convert a string into a floating point value */
+native Float:floatstr(const string[]);
+
+/* Multiple two floats together */
+native Float:floatmul(Float:oper1, Float:oper2);
+
+/* Divide the dividend float by the divisor float */
+native Float:floatdiv(Float:dividend, Float:divisor);
+
+/* Add two floats together */
+native Float:floatadd(Float:dividend, Float:divisor);
+
+/* Subtract oper2 float from oper1 float */
+native Float:floatsub(Float:oper1, Float:oper2);
+
+/* Return the fractional part of a float */
+native Float:floatfract(Float:value);
+
+/* Round a float into a integer value */
 native floatround(Float:value, floatround_method:method=floatround_round);
+
+/* Compare two integers. If the two elements are equal, return 0.
+* If the first argument is greater than the second argument, return 1,
+* If the first argument is less than the second argument, return -1. */
 native floatcmp(Float:fOne, Float:fTwo);
 
+/* Return the square root of the input value, same as floatpower(value, 0.5) */
+native Float:floatsqroot(Float:value);
+
+/* Return the value raised to the power of the exponent */
+native Float:floatpower(Float:value, Float:exponent);
+
+/* Return the logarithm */
+native Float:floatlog(Float:value, Float:base=10.0);
+
+/* Return the sine, cosine or tangent.
+* The input angle may be in radian, degrees or grades. */
+native Float:floatsin(Float:value, anglemode:mode=radian);
+native Float:floatcos(Float:value, anglemode:mode=radian);
+native Float:floattan(Float:value, anglemode:mode=radian);
+
+/* Return the absolute value */
+native Float:floatabs(Float:value);
+
 #pragma rational Float
 
 /* user defined operators */
@@ -114,7 +153,7 @@ stock bool:operator<=(oper1, Float:oper2)
 	return floatcmp(float(oper1), oper2) <= 0;
 
 stock bool:operator!(Float:oper)
-    return floatcmp(oper, 0.0) == 0;
+	return (_:oper & 0x7fffffff) == 0;
 
 /* forbidden operations */
 forward operator%(Float:oper1, Float:oper2);