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mirror of https://github.com/VCMP-SqMod/SqMod.git synced 2024-11-09 01:07:16 +01:00
SqMod/source/Library/Numeric/Math.cpp

1232 lines
42 KiB
C++

// ------------------------------------------------------------------------------------------------
#include "Library/Numeric/Math.hpp"
#include "Library/Numeric/LongInt.hpp"
#include "Base/Shared.hpp"
// ------------------------------------------------------------------------------------------------
#include <cmath>
#include <cstdlib>
#include <cstring>
// ------------------------------------------------------------------------------------------------
namespace SqMod {
// ------------------------------------------------------------------------------------------------
static SQInteger SqDiv(HSQUIRRELVM vm)
{
// The return type of the function
#ifdef _SQ64
typedef std::lldiv_t DivT;
#else
typedef std::div_t DivT;
#endif // _SQ64
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 2)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
const DivT r = std::div(PopStackInteger(vm, 2), PopStackInteger(vm, 3));
// Create a new table on the stack
sq_newtable(vm);
// Push the quotient index
sq_pushstring(vm, _SC("quot"), -1);
// Push the quotient value
sq_pushinteger(vm, r.quot);
// Attempt to create the array element
if (SQ_FAILED(sq_rawset(vm, -3)))
{
return sq_throwerror(vm, "Unable to insert the quotient element");
}
// Push the remainder index
sq_pushstring(vm, _SC("rem"), -1);
// Push the remainder value
sq_pushinteger(vm, r.rem);
// Attempt to create the array element
if (SQ_FAILED(sq_rawset(vm, -3)))
{
return sq_throwerror(vm, "Unable to insert the remainder element");
}
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqRemainder(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 2)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Are we both arguments floats?
if ((sq_gettype(vm, 2) == OT_FLOAT) && sq_gettype(vm, 3) == OT_FLOAT)
{
sq_pushfloat(vm, std::remainder(PopStackFloat(vm, 2), PopStackFloat(vm, 3)));
}
// Are we both arguments integers?
else if ((sq_gettype(vm, 2) == OT_INTEGER) && sq_gettype(vm, 3) == OT_INTEGER)
{
sq_pushinteger(vm, std::remainder(PopStackInteger(vm, 2), PopStackInteger(vm, 3)));
}
// Is the first argument float?
else if ((sq_gettype(vm, 2) == OT_FLOAT))
{
sq_pushfloat(vm, std::remainder(PopStackFloat(vm, 2), PopStackFloat(vm, 3)));
}
// Is the first argument integer?
else if ((sq_gettype(vm, 2) == OT_INTEGER))
{
sq_pushinteger(vm, std::remainder(PopStackInteger(vm, 2), PopStackInteger(vm, 3)));
}
// Default to both arhuments as float so we don't loos precision from the float one
else
{
sq_pushfloat(vm, std::remainder(PopStackFloat(vm, 2), PopStackFloat(vm, 3)));
}
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqFma(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 3)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::fma(PopStackFloat(vm, 2), PopStackFloat(vm, 3), PopStackFloat(vm, 4)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqMax(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 2)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::fmax(PopStackFloat(vm, 2), PopStackFloat(vm, 3)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqMin(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 2)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::fmin(PopStackFloat(vm, 2), PopStackFloat(vm, 3)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqDim(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 2)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::fdim(PopStackFloat(vm, 2), PopStackFloat(vm, 3)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqNan(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Attempt to generate the string value
StackStrF val(vm, 2);
// Have we failed to retrieve the string?
if (SQ_FAILED(val.mRes))
{
return val.mRes; // Propagate the error!
}
// Fetch the arguments from the stack and perform the requested operation
#ifdef _SQ64
sq_pushfloat(vm, std::nan(val.mPtr));
#else
sq_pushfloat(vm, std::nanf(val.mPtr));
#endif // _SQ64
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqNanL(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Attempt to generate the string value
StackStrF val(vm, 2);
// Have we failed to retrieve the string?
if (SQ_FAILED(val.mRes))
{
return val.mRes; // Propagate the error!
}
// Fetch the arguments from the stack and perform the requested operation
try
{
Var< SLongInt * >::push(vm, new SLongInt(std::nanl(val.mPtr)));
}
catch (const Sqrat::Exception & e)
{
return sq_throwerror(vm, e.Message().c_str());
}
catch (const std::exception e)
{
return sq_throwerror(vm, e.what());
}
catch (...)
{
return sq_throwerror(vm, _SC("Failed to create a long integer instance"));
}
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqExp(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::exp(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqExp2(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::exp2(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqExpm1(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::expm1(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqLog(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::log(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqLog10(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::log10(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqLog2(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::log2(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqLog1p(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::log1p(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqPow(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 2)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::pow(PopStackFloat(vm, 2), PopStackFloat(vm, 3)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqSqrt(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::sqrt(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqCbrt(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::cbrt(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqHypot(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 2)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::hypot(PopStackFloat(vm, 2), PopStackFloat(vm, 3)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqSin(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::sin(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqCos(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::cos(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqTan(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::tan(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqAsin(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::asin(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqAcos(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::acos(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqAtan(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::atan(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqAtan2(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 2)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::atan2(PopStackFloat(vm, 2), PopStackFloat(vm, 3)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqSinh(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::sinh(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqCosh(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::cosh(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqTanh(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::tanh(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqAsinh(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::asinh(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqAcosh(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::acosh(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqAtanh(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::atanh(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqErf(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::erf(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqErfc(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::erfc(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqTgamma(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::tgamma(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqLgamma(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::lgamma(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqCeil(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::ceil(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqFloor(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::floor(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqTrunc(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::trunc(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqRound(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::round(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqRoundI(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
if (sq_gettype(vm, 2) == OT_FLOAT)
{
sq_pushinteger(vm, ConvTo< SQInteger >::From(std::llround(PopStackFloat(vm, 2))));
}
else
{
sq_pushinteger(vm, ConvTo< SQInteger >::From(std::llround(PopStackInteger(vm, 2))));
}
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqRoundL(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
try
{
if (sq_gettype(vm, 2) == OT_FLOAT)
{
Var< SLongInt * >::push(vm, new SLongInt(std::llround(PopStackFloat(vm, 2))));
}
else
{
Var< SLongInt * >::push(vm, new SLongInt(std::llround(PopStackInteger(vm, 2))));
}
}
catch (const Sqrat::Exception & e)
{
return sq_throwerror(vm, e.Message().c_str());
}
catch (const std::exception e)
{
return sq_throwerror(vm, e.what());
}
catch (...)
{
return sq_throwerror(vm, _SC("Failed to create a long integer instance"));
}
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqNearByInt(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::nearbyint(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqFrexp(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Where the exponent is retrieved
Int32 expv = 0;
// Fetch the arguments from the stack and perform the requested operation
const SQFloat sigv = std::frexp(PopStackFloat(vm, 2), &expv);
// Create a new table on the stack
sq_newtable(vm);
// Push the significand index
sq_pushstring(vm, _SC("sig"), -1);
// Push the significand value
sq_pushfloat(vm, sigv);
// Attempt to create the array element
if (SQ_FAILED(sq_rawset(vm, -3)))
{
return sq_throwerror(vm, "Unable to insert the significand element");
}
// Push the exponent index
sq_pushstring(vm, _SC("exp"), -1);
// Push the exponent value
sq_pushinteger(vm, expv);
// Attempt to create the array element
if (SQ_FAILED(sq_rawset(vm, -3)))
{
return sq_throwerror(vm, "Unable to insert the exponent element");
}
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqLdexp(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 2)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::ldexp(PopStackFloat(vm, 2), PopStackInteger(vm, 3)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqModF(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Where the fractional part is retrieved
SQFloat intv = 0;
// Fetch the arguments from the stack and perform the requested operation
const SQFloat fracv = std::modf(PopStackFloat(vm, 2), &intv);
// Create a new table on the stack
sq_newtable(vm);
// Push the integral index
sq_pushstring(vm, _SC("integral"), -1);
// Push the integral value
sq_pushfloat(vm, intv);
// Attempt to create the array element
if (SQ_FAILED(sq_rawset(vm, -3)))
{
return sq_throwerror(vm, "Unable to insert the integral element");
}
// Push the fractional index
sq_pushstring(vm, _SC("fractional"), -1);
// Push the fractional value
sq_pushfloat(vm, fracv);
// Attempt to create the array element
if (SQ_FAILED(sq_rawset(vm, -3)))
{
return sq_throwerror(vm, "Unable to insert the fractional element");
}
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqScalbn(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 2)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
#ifdef _SQ64
sq_pushfloat(vm, std::scalbln(PopStackFloat(vm, 2), PopStackInteger(vm, 3)));
#else
sq_pushfloat(vm, std::scalbn(PopStackFloat(vm, 2), PopStackInteger(vm, 3)));
#endif // _SQ64
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqIlogb(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushinteger(vm, std::ilogb(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqLogb(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::logb(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqNextAfter(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 2)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::nextafter(PopStackFloat(vm, 2), PopStackFloat(vm, 3)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqNextForward(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 2)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::nexttoward(PopStackFloat(vm, 2), PopStackFloat(vm, 3)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqCopySign(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 2)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushfloat(vm, std::copysign(PopStackFloat(vm, 2), PopStackFloat(vm, 3)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqFpClassify(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushinteger(vm, std::fpclassify(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqIsFinite(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushbool(vm, std::isfinite(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqIsInf(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushbool(vm, std::isinf(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqIsNan(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushbool(vm, std::isnan(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqIsNormal(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushbool(vm, std::isnormal(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqSignBit(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushbool(vm, std::signbit(PopStackFloat(vm, 2)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqIsGreater(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 2)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushbool(vm, std::isgreater(PopStackFloat(vm, 2), PopStackFloat(vm, 3)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqIsGreaterEqual(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 2)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushbool(vm, std::isgreaterequal(PopStackFloat(vm, 2), PopStackFloat(vm, 3)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqIsLess(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 2)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushbool(vm, std::isless(PopStackFloat(vm, 2), PopStackFloat(vm, 3)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqIsLessEqual(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 2)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushbool(vm, std::islessequal(PopStackFloat(vm, 2), PopStackFloat(vm, 3)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqIsLessGreater(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 2)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushbool(vm, std::islessgreater(PopStackFloat(vm, 2), PopStackFloat(vm, 3)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqIsUnordered(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 2)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the arguments from the stack and perform the requested operation
sq_pushbool(vm, std::isunordered(PopStackFloat(vm, 2), PopStackFloat(vm, 3)));
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqDigits1(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the integer value from the stack
Int64 n = std::llabs(PopStackSLong(vm, 2));
// Start with 0 digits
Uint8 d = 0;
// Identify the number of digits
while (n != 0)
{
n /= 10;
++d;
}
// Push the number of digits on the stack
sq_pushinteger(vm, d);
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
static SQInteger SqDigits0(HSQUIRRELVM vm)
{
// Do we have the correct number of arguments?
if (sq_gettop(vm) <= 1)
{
return sq_throwerror(vm, "Wrong number of arguments");
}
// Fetch the integer value from the stack
Int64 n = std::llabs(PopStackSLong(vm, 2));
// Start with 0 digits
Uint8 d = 0;
// Identify the number of digits
do
{
n /= 10;
++d;
} while (n != 0);
// Push the number of digits on the stack
sq_pushinteger(vm, d);
// Specify that we have a value on the stack
return 1;
}
// ------------------------------------------------------------------------------------------------
SQFloat SqIToF(Int64 sigv, Int64 expv, Int32 padn, bool negf)
{
// The number of characters to add before the exponent
static CharT padb[64];
// Make sure the pad number is positive
padn = ClampMin(padn, 0);
// Is the number of pad characters out of range?
if (static_cast< Uint32 >(padn) >= sizeof(padb))
{
STHROWF("Pad characters out of range: %d >= %d", padn, sizeof(padb));
}
// Write the padding characters
std::memset(padb, '0', padn);
// Add the null terminator
padb[padn] = '\0';
// The obtained string containing the floating point
CSStr fstr = nullptr;
// Generate the floating point value
if (negf)
{
fstr = ToStrF("-%lld.%s%lld", sigv, padb, expv);
}
else
{
fstr = ToStrF("%lld.%s%lld", sigv, padb, expv);
}
// Now transform the resulted string to a floating point value
#ifdef SQUSEDOUBLE
return std::strtod(fstr, nullptr);
#else
return std::strtof(fstr, nullptr);
#endif // SQUSEDOUBLE
}
// ================================================================================================
void Register_Math(HSQUIRRELVM vm)
{
Table mns(vm);
mns
.SquirrelFunc(_SC("Div"), &SqDiv)
.SquirrelFunc(_SC("Remainder"), &SqRemainder)
.SquirrelFunc(_SC("Fma"), &SqFma)
.SquirrelFunc(_SC("Max"), &SqMax)
.SquirrelFunc(_SC("Min"), &SqMin)
.SquirrelFunc(_SC("Dim"), &SqDim)
.SquirrelFunc(_SC("Nan"), &SqNan)
.SquirrelFunc(_SC("NanL"), &SqNanL)
.SquirrelFunc(_SC("Exp"), &SqExp)
.SquirrelFunc(_SC("Exp2"), &SqExp2)
.SquirrelFunc(_SC("Expm1"), &SqExpm1)
.SquirrelFunc(_SC("Log"), &SqLog)
.SquirrelFunc(_SC("Log10"), &SqLog10)
.SquirrelFunc(_SC("Log2"), &SqLog2)
.SquirrelFunc(_SC("Log1p"), &SqLog1p)
.SquirrelFunc(_SC("Pow"), &SqPow)
.SquirrelFunc(_SC("Sqrt"), &SqSqrt)
.SquirrelFunc(_SC("Cbrt"), &SqCbrt)
.SquirrelFunc(_SC("Hypot"), &SqHypot)
.SquirrelFunc(_SC("Sin"), &SqSin)
.SquirrelFunc(_SC("Cos"), &SqCos)
.SquirrelFunc(_SC("Tan"), &SqTan)
.SquirrelFunc(_SC("Asin"), &SqAsin)
.SquirrelFunc(_SC("Acos"), &SqAcos)
.SquirrelFunc(_SC("Atan"), &SqAtan)
.SquirrelFunc(_SC("Atan2"), &SqAtan2)
.SquirrelFunc(_SC("Sinh"), &SqSinh)
.SquirrelFunc(_SC("Cosh"), &SqCosh)
.SquirrelFunc(_SC("Tanh"), &SqTanh)
.SquirrelFunc(_SC("Asinh"), &SqAsinh)
.SquirrelFunc(_SC("Acosh"), &SqAcosh)
.SquirrelFunc(_SC("Atanh"), &SqAtanh)
.SquirrelFunc(_SC("Erf"), &SqErf)
.SquirrelFunc(_SC("Erfc"), &SqErfc)
.SquirrelFunc(_SC("Tgamma"), &SqTgamma)
.SquirrelFunc(_SC("Lgamma"), &SqLgamma)
.SquirrelFunc(_SC("Ceil"), &SqCeil)
.SquirrelFunc(_SC("Floor"), &SqFloor)
.SquirrelFunc(_SC("Trunc"), &SqTrunc)
.SquirrelFunc(_SC("Round"), &SqRound)
.SquirrelFunc(_SC("RoundI"), &SqRoundI)
.SquirrelFunc(_SC("RoundL"), &SqRoundL)
.SquirrelFunc(_SC("NearByInt"), &SqNearByInt)
.SquirrelFunc(_SC("Frexp"), &SqFrexp)
.SquirrelFunc(_SC("Ldexp"), &SqLdexp)
.SquirrelFunc(_SC("ModF"), &SqModF)
.SquirrelFunc(_SC("Scalbn"), &SqScalbn)
.SquirrelFunc(_SC("Ilogb"), &SqIlogb)
.SquirrelFunc(_SC("Logb"), &SqLogb)
.SquirrelFunc(_SC("NextAfter"), &SqNextAfter)
.SquirrelFunc(_SC("NextForward"), &SqNextForward)
.SquirrelFunc(_SC("CopySign"), &SqCopySign)
.SquirrelFunc(_SC("FpClassify"), &SqFpClassify)
.SquirrelFunc(_SC("IsFinite"), &SqIsFinite)
.SquirrelFunc(_SC("IsInf"), &SqIsInf)
.SquirrelFunc(_SC("IsNan"), &SqIsNan)
.SquirrelFunc(_SC("IsNormal"), &SqIsNormal)
.SquirrelFunc(_SC("SignBit"), &SqSignBit)
.SquirrelFunc(_SC("IsGreater"), &SqIsGreater)
.SquirrelFunc(_SC("IsGreaterEqual"), &SqIsGreaterEqual)
.SquirrelFunc(_SC("IsLess"), &SqIsLess)
.SquirrelFunc(_SC("IsLessEqual"), &SqIsLessEqual)
.SquirrelFunc(_SC("IsLessGreater"), &SqIsLessGreater)
.SquirrelFunc(_SC("IsUnordered"), &SqIsUnordered)
.SquirrelFunc(_SC("Digits1"), &SqDigits1)
.SquirrelFunc(_SC("Digits0"), &SqDigits0);
RootTable(vm).Bind(_SC("SqMath"), mns);
RootTable(vm).Func(_SC("IToF"), &SqIToF);
}
} // Namespace:: SqMod