abCalc/ops/abCOpTan.c

47 lines
699 B
C

/*
abCOpTan.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/abCOpTan.h"
#define TAN_NAME "TAN"
static void tanExecute(void);
void abCalcOpTanInit(void)
{
abCalcOpRegister(TAN_NAME, tanExecute);
}
void tanExecute(void)
{
abCalcExpr result;
AB_CALC_OP_ONE_ARG(TAN_NAME);
if (expr->type != abCalcExprTypeReal) {
abCalcRaiseError(abCalcBadArgTypeError, TAN_NAME);
return;
}
abCalcExprRealSet(&result, tan(expr->u.real));
abCalcStackExprPop(NULL);
abCalcStackExprPush(&result);
}