--- parser3/src/classes/math.C	2016/11/01 23:10:40	1.83
+++ parser3/src/classes/math.C	2017/12/07 00:23:16	1.86
@@ -1,7 +1,7 @@
 /** @file
 	Parser: @b math parser class.
 
-	Copyright (c) 2001-2015 Art. Lebedev Studio (http://www.artlebedev.com)
+	Copyright (c) 2001-2017 Art. Lebedev Studio (http://www.artlebedev.com)
 	Author: Alexandr Petrosian <paf@design.ru>(http://paf.design.ru)
 
 	portions from gen_uuid.c,
@@ -22,7 +22,7 @@
 extern "C" char *crypt(const char* , const char* );
 #endif
 
-volatile const char * IDENT_MATH_C="$Id: math.C,v 1.83 2016/11/01 23:10:40 moko Exp $";
+volatile const char * IDENT_MATH_C="$Id: math.C,v 1.86 2017/12/07 00:23:16 moko Exp $";
 
 // defines
 
@@ -46,11 +46,8 @@ DECLARE_CLASS_VAR(math, new MMath);
 
 static void _random(Request& r, MethodParams& params) {
 	double top=params.as_double(0, "range must be expression", r);
-	if(top<=0 || top>MAX_UINT)
-		throw Exception(PARSER_RUNTIME,
-			0,
-			"top(%g) must be [1..%u]", top, MAX_UINT);
-	
+	if(top<1 || top>INT32_MAX)
+		throw Exception(PARSER_RUNTIME, 0, "top(%.15g) must be [1..%u]", top, INT32_MAX);
 	r.write(*new VInt(_random(uint(top))));
 }
 
@@ -394,7 +391,7 @@ static void _digest(Request& r, MethodPa
 	else if (smethod == "sha1" ) method = M_SHA1;
 	else if (smethod == "sha256" ) method = M_SHA256;
 	else if (smethod == "sha512" ) method = M_SHA512;
-	else throw Exception(PARSER_RUNTIME, &smethod, "must be 'md5' or 'sha1'");
+	else throw Exception(PARSER_RUNTIME, &smethod, "must be 'md5' or 'sha1' or 'sha256' or 'sha512'");
 
 	const char *hmac=0;
 	enum Format { F_HEX, F_BASE64 } format = F_HEX;