53 lines
862 B
C
53 lines
862 B
C
/*
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abCOpAsin.c
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By: Jeremy Rand
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*/
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#include <math.h>
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#include <stdio.h>
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#include "abCError.h"
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#include "abCStack.h"
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#include "expr/abCExpr.h"
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#include "expr/abCExpReal.h"
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#include "ops/abCOp.h"
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#include "ops/abCOpAsin.h"
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#define ASIN_NAME "ASIN"
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static void asinExecute(void);
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void abCalcOpAsinInit(void)
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{
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abCalcOpRegister(ASIN_NAME, asinExecute);
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}
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void asinExecute(void)
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{
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abCalcExpr result;
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AB_CALC_OP_ONE_ARG(ASIN_NAME);
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if (expr->type != abCalcExprTypeReal) {
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abCalcRaiseError(abCalcBadArgTypeError, ASIN_NAME);
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return;
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}
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if ((expr->u.real < -1.0) ||
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(expr->u.real > 1.0)) {
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abCalcRaiseError(abCalcComplexResultError, ASIN_NAME);
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return;
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}
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abCalcExprRealSet(&result, asin(expr->u.real));
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abCalcStackExprPop(NULL);
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abCalcStackExprPush(&result);
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}
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