Esempi in C++ (Cpp) per Need_Float2

Esempio n. 1

File: math.c Progetto: 217/ruby

static VALUE
math_atan2(VALUE obj, VALUE y, VALUE x)
{
    double dx, dy;
    Need_Float2(y, x);
    dx = RFLOAT_VALUE(x);
    dy = RFLOAT_VALUE(y);
    if (dx == 0.0 && dy == 0.0) domain_error("atan2");
    if (isinf(dx) && isinf(dy)) domain_error("atan2");
    return DBL2NUM(atan2(dy, dx));
}

Esempio n. 2

File: math.c Progetto: senthilnayagam/pure-math.rb

static VALUE
math_atan2(VALUE obj, VALUE y, VALUE x)
{
#ifndef M_PI
# define M_PI 3.14159265358979323846
#endif
    double dx, dy;
    Need_Float2(y, x);
    dx = RFLOAT_VALUE(x);
    dy = RFLOAT_VALUE(y);
    if (dx == 0.0 && dy == 0.0) {
	if (!signbit(dx))
	    return DBL2NUM(dy);
        if (!signbit(dy))
	    return DBL2NUM(M_PI);
	return DBL2NUM(-M_PI);
    }
    if (isinf(dx) && isinf(dy)) domain_error("atan2");
    return DBL2NUM(atan2(dy, dx));
}

Esempio n. 3

File: math.c Progetto: senthilnayagam/pure-math.rb

static VALUE
math_hypot(VALUE obj, VALUE x, VALUE y)
{
    Need_Float2(x, y);
    return DBL2NUM(hypot(RFLOAT_VALUE(x), RFLOAT_VALUE(y)));
}

Esempio n. 4

static VALUE
math_atan2(VALUE obj, VALUE y, VALUE x)
{
    Need_Float2(y, x);
    return DBL2NUM(atan2(RFLOAT_VALUE(y), RFLOAT_VALUE(x)));
}