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65 lines
2.6 KiB
C++
65 lines
2.6 KiB
C++
#include <quiz.h>
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#include <poincare.h>
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#include <ion.h>
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#include <math.h>
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#include <assert.h>
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using namespace Poincare;
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QUIZ_CASE(poincare_fraction_approximate) {
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GlobalContext globalContext;
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Expression * f = Expression::parse("1/2");
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assert(f->approximate(globalContext) == 0.5f);
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delete f;
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}
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QUIZ_CASE(poincare_fraction_evaluate) {
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GlobalContext globalContext;
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Expression * a = Expression::parse("1/2");
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Expression * e = a->evaluate(globalContext);
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assert(e->approximate(globalContext) == 0.5f);
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delete a;
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delete e;
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char expText1[50] ={'(','3','+',Ion::Charset::IComplex,')', '/', '(','4', '+', Ion::Charset::IComplex, ')',0};
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a = Expression::parse(expText1);
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e = a->evaluate(globalContext);
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assert(((Complex *)e)->a() == 13.0f/17.0f && ((Complex *)e)->b() == 1.0f/17.0f);
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delete a;
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delete e;
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#if MATRICES_ARE_DEFINED
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a = Expression::parse("[[1,2][3,4][5,6]]/2");
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e = a->evaluate(globalContext);
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assert(e->operand(0)->approximate(globalContext) == 0.5f);
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assert(e->operand(1)->approximate(globalContext) == 1.0f);
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assert(e->operand(2)->approximate(globalContext) == 1.5f);
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assert(e->operand(3)->approximate(globalContext) == 2.0f);
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assert(e->operand(4)->approximate(globalContext) == 2.5f);
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assert(e->operand(5)->approximate(globalContext) == 3.0f);
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delete a;
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delete e;
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char expText2[100] ={'[','[','1',',','2','+', Ion::Charset::IComplex,']','[','3',',','4',']','[','5',',','6',']',']','/','(','4','+',Ion::Charset::IComplex, ')',0};
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a = Expression::parse(expText2);
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e = a->evaluate(globalContext);
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assert(((Complex *)e->operand(0))->a() == 4.0f/17.0f && ((Complex *)e->operand(0))->b() == -1.0f/17.0f);
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assert(((Complex *)e->operand(1))->a() == 9.0f/17.0f && ((Complex *)e->operand(1))->b() == 2.0f/17.0f);
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assert(((Complex *)e->operand(2))->a() == 12.0f/17.0f && ((Complex *)e->operand(2))->b() == -3.0f/17.0f);
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assert(((Complex *)e->operand(3))->a() == 16.0f/17.0f && ((Complex *)e->operand(3))->b() == -4.0f/17.0f);
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assert(((Complex *)e->operand(4))->a() == 20.0f/17.0f && ((Complex *)e->operand(4))->b() == -5.0f/17.0f);
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assert(((Complex *)e->operand(5))->a() == 24.0f/17.0f && ((Complex *)e->operand(5))->b() == -6.0f/17.0f);
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delete a;
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delete e;
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a = Expression::parse("[[1,2][3,4]]/[[3,4][5,6]]");
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e = a->evaluate(globalContext);
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assert(fabsf(e->operand(0)->approximate(globalContext) - 2.0f) < 0.000001f);
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assert(fabsf(e->operand(1)->approximate(globalContext) - -1.0f) < 0.000001f);
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assert(fabsf(e->operand(2)->approximate(globalContext) - 1.0f) < 0.000001f);
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assert(fabsf(e->operand(3)->approximate(globalContext) - 0.0f) < 0.000001f);
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delete a;
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delete e;
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#endif
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}
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