builtins.cpp

来自「a basic interpreter free basic」· C++ 代码 · 共 72 行

#include "StdAfx.h"
#include "Builtins.h"

CBuiltins::CBuiltins(void)
{
}

CBuiltins::~CBuiltins(void)
{
}

// Return a sine
float CBuiltins::SIN(float Value)
{
	return sin(Value);
}

// Return a cosine
float CBuiltins::COS(float Value)
{
	return cos(Value);
}


// Return a tangent
float CBuiltins::TAN(float Value)
{
	return tan(Value);
}

// Return an arctangent
float CBuiltins::ATN(float Value)
{
	return atan(Value);
}

// Return a natural exponent
float CBuiltins::EXP(float Value)
{
	return exp(Value);
}

// Returns an absolute value
float CBuiltins::ABS(float Value)
{
	return abs(Value);
}

// Return a natural logarithm
float CBuiltins::LOG(float Value)
{
	return log(Value);
}

// Return a square root
float CBuiltins::SQR(float Value)
{
	return sqrt(Value);
}

// Return a random value between 0 and 1
float CBuiltins::RND(float Value)
{
	return (rand() / ((float)RAND_MAX));
}

// Return an integer (technically, just strips off the mantissa)
float CBuiltins::INT(float Value)
{
	return (float)(int)Value;
}