--- parser3/src/classes/math.C 2001/07/06 11:13:35 1.2 +++ parser3/src/classes/math.C 2001/07/07 16:38:01 1.3 @@ -5,7 +5,7 @@ Author: Alexander Petrosyan (http://design.ru/paf) */ -static const char *RCSId="$Id: math.C,v 1.2 2001/07/06 11:13:35 parser Exp $"; +static const char *RCSId="$Id: math.C,v 1.3 2001/07/07 16:38:01 parser Exp $"; #include "pa_config_includes.h" #include "pa_common.h" @@ -15,6 +15,7 @@ static const char *RCSId="$Id: math.C,v // defines +#define PI 3.1415926535 #define MATH_CLASS_NAME "math" // class @@ -31,7 +32,7 @@ public: // Methoded static void _random(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); - Value& range=params->get_junction(0, "range must be expression"); + Value& range=params->as_junction(0, "range must be expression"); uint max=(uint)r.process(range).as_double(); if(max<=1) PTHROW(0, 0, @@ -45,13 +46,16 @@ static void _random(Request& r, const St typedef double (*math1_func_ptr)(double); static double round(double param) { return floor(param+0.5); } static double sign(double param) { return param > 0 ? 1 : ( param < 0 ? -1 : 0 ); } - +static double trunc(double param) { return param > 0? floor(param) : ceil(param); } +static double frac(double param) { return param-trunc(param); } +static double degrees(double param) { return param /PI *180; } +static double radians(double param) { return param /180 *PI; } static void math1(Request& r, const String& method_name, MethodParams *params, math1_func_ptr func) { Pool& pool=r.pool(); - Value& param=params->get_junction(0, "parameter must be expression"); + Value& param=params->as_junction(0, "parameter must be expression"); Value& result=*new(pool) VDouble(pool, (*func)(r.process(param).as_double())); result.set_name(method_name); @@ -67,11 +71,13 @@ static void math1(Request& r, math1(r, method_name, params, &name_c);\ } MATH1(round); MATH1(floor); MATH1P(ceiling, ceil); +MATH1(trunc); MATH1(frac); MATH1P(abs, fabs); MATH1(sign); MATH1(exp); MATH1(log); MATH1(sin); MATH1(asin); MATH1(cos); MATH1(acos); MATH1(tan); MATH1(atan); +MATH1(degrees); MATH1(radians); MATH1(sqrt); @@ -80,8 +86,8 @@ static void math2(Request& r, const String& method_name, MethodParams *params, math2_func_ptr func) { Pool& pool=r.pool(); - Value& a=params->get_junction(0, "parameter must be expression"); - Value& b=params->get_junction(1, "parameter must be expression"); + Value& a=params->as_junction(0, "parameter must be expression"); + Value& b=params->as_junction(1, "parameter must be expression"); Value& result=*new(pool) VDouble(pool, (*func)( r.process(a).as_double(), @@ -109,14 +115,16 @@ MMath::MMath(Pool& apool) : Methoded(apo #define ADD1(name) \ add_native_method(#name, Method::CT_STATIC, _##name, 1, 1) - ADD1(random); ADD1(round); ADD1(floor); ADD1(ceiling); + ADD1(trunc); ADD1(frac); ADD1(abs); ADD1(sign); ADD1(exp); ADD1(log); ADD1(sin); ADD1(asin); ADD1(cos); ADD1(acos); ADD1(tan); ADD1(atan); + ADD1(degrees); ADD1(radians); ADD1(sqrt); + ADD1(random); #define ADD2(name) \ add_native_method(#name, Method::CT_STATIC, _##name, 2, 2) @@ -137,7 +145,7 @@ Methoded *MMath_create(Pool& pool) { math_consts=new(pool) Hash(pool); math_consts->put( *new(pool) String(pool, "PI"), - new(pool) VDouble(pool, 3.1415926535)); + new(pool) VDouble(pool, PI)); return math_base_class=new(pool) MMath(pool); }