abCalc/ops/abCOpExpm.c

47 lines
712 B
C

/*
abCOpExpm.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/abCOpExpm.h"
#define EXPM_NAME "EXPM"
static void expmExecute(void);
void abCalcOpExpmInit(void)
{
abCalcOpRegister(EXPM_NAME, expmExecute);
}
void expmExecute(void)
{
abCalcExpr result;
AB_CALC_OP_ONE_ARG(EXPM_NAME);
if (expr->type != abCalcExprTypeReal) {
abCalcRaiseError(abCalcBadArgTypeError, EXPM_NAME);
return;
}
abCalcExprRealSet(&result, expm1(expr->u.real));
abCalcStackExprPop(NULL);
abCalcStackExprPush(&result);
}