abCalc/abCalc/ops/abCOpCos.c

47 lines
699 B
C

/*
abCOpCos.c
By: Jeremy Rand
*/
#include <math.h>
#include <stdio.h>
#include "abCError.h"
#include "abCStack.h"
#include "expr/abCExpr.h"
#include "expr/abCExpReal.h"
#include "ops/abCOp.h"
#include "ops/abCOpCos.h"
#define COS_NAME "COS"
static void cosExecute(void);
void abCalcOpCosInit(void)
{
abCalcOpRegister(COS_NAME, cosExecute);
}
void cosExecute(void)
{
abCalcExpr result;
AB_CALC_OP_ONE_ARG(COS_NAME);
if (expr->type != abCalcExprTypeReal) {
abCalcRaiseError(abCalcBadArgTypeError, COS_NAME);
return;
}
abCalcExprRealSet(&result, cos(expr->u.real));
abCalcStackExprPop(NULL);
abCalcStackExprPush(&result);
}