lonely-tiger/libraries/Math.c

#include <math.h>

#include "libraries/Math.h"
#include "utils/Functions.h"

#define FLOAT_FUNCTION(Name, Function)                                         \
    static void l##Name(Script* sc) {                                          \
        float f;                                                               \
        if(sPopFloat(sc, &f)) {                                                \
            sPushFloat(sc, Function(f));                                       \
        }                                                                      \
    }

FLOAT_FUNCTION(Sin, sinf)
FLOAT_FUNCTION(Cos, cosf)
FLOAT_FUNCTION(Tan, tanf)

void lAddFloatFunction(const char* name, ScriptFunction sf) {
    Function f;
    gfInit(&f, name, dtFloat(), sf);
    gfAddArgument(&f, dtFloat());
    gfsAdd(&f);
}

void lMathRegister() {
    lAddFloatFunction("sin", lSin);
    lAddFloatFunction("cos", lCos);
    lAddFloatFunction("tan", lTan);
}