mirror of
https://github.com/jeremysrand/abCalc.git
synced 2024-11-23 08:35:43 +00:00
47 lines
701 B
C
47 lines
701 B
C
/*
|
|
abCOpChs.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/abCOpChs.h"
|
|
|
|
|
|
#define CHS_NAME "CHS"
|
|
|
|
|
|
static void chsExecute(void);
|
|
|
|
|
|
void abCalcOpChsInit(void)
|
|
{
|
|
abCalcOpRegister(CHS_NAME, chsExecute);
|
|
}
|
|
|
|
|
|
void chsExecute(void)
|
|
{
|
|
abCalcExpr result;
|
|
AB_CALC_OP_ONE_ARG(CHS_NAME);
|
|
|
|
if (expr->type != abCalcExprTypeReal) {
|
|
abCalcRaiseError(abCalcBadArgTypeError, CHS_NAME);
|
|
return;
|
|
}
|
|
|
|
abCalcExprRealSet(&result, -1.0 * expr->u.real);
|
|
|
|
abCalcStackExprPop(NULL);
|
|
abCalcStackExprPush(&result);
|
|
}
|