diff --git a/complex.go b/complex.go
new file mode 100644
index 0000000..37e2b29
--- /dev/null
+++ b/complex.go
@@ -0,0 +1,36 @@
+package python3
+
+/*
+#include "Python.h"
+#include "macro.h"
+#include "type.h"
+*/
+import "C"
+
+//Complex : https://docs.python.org/3/c-api/complex.html#c.PyComplex_Type
+var Complex = togo(C._go_PyComplex_Type)
+
+//PyComplex_Check : https://docs.python.org/3/c-api/complex.html#c.PyComplex_Check
+func PyComplex_Check(p *PyObject) bool {
+	return C._go_PyComplex_Check(toc(p)) != 0
+}
+
+//PyComplex_CheckExact : https://docs.python.org/3/c-api/complex.html#c.PyComplex_CheckExact
+func PyComplex_CheckExact(p *PyObject) bool {
+	return C._go_PyComplex_CheckExact(toc(p)) != 0
+}
+
+//PyComplex_FromDoubles : https://docs.python.org/3/c-api/complex.html#c.PyComplex_FromDoubles
+func PyComplex_FromDoubles(real, imag float64) *PyObject {
+	return togo(C.PyComplex_FromDoubles(C.double(real), C.double(imag)))
+}
+
+//PyComplex_RealAsDouble : https://docs.python.org/3/c-api/complex.html#c.PyComplex_RealAsDouble
+func PyComplex_RealAsDouble(op *PyObject) float64 {
+	return float64(C.PyComplex_RealAsDouble(toc(op)))
+}
+
+//PyComplex_ImagAsDouble : https://docs.python.org/3/c-api/complex.html#c.PyComplex_ImagAsDouble
+func PyComplex_ImagAsDouble(op *PyObject) float64 {
+	return float64(C.PyComplex_ImagAsDouble(toc(op)))
+}
diff --git a/complex_test.go b/complex_test.go
new file mode 100644
index 0000000..4dea378
--- /dev/null
+++ b/complex_test.go
@@ -0,0 +1,20 @@
+package python3
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestComplex(t *testing.T) {
+	real := 2.
+	imaginary := 5.
+
+	complex := PyComplex_FromDoubles(real, imaginary)
+	assert.True(t, PyComplex_Check(complex))
+	assert.True(t, PyComplex_CheckExact(complex))
+	defer complex.DecRef()
+
+	assert.Equal(t, real, PyComplex_RealAsDouble(complex))
+	assert.Equal(t, imaginary, PyComplex_ImagAsDouble(complex))
+}
diff --git a/float.go b/float.go
new file mode 100644
index 0000000..f41ef29
--- /dev/null
+++ b/float.go
@@ -0,0 +1,56 @@
+package python3
+
+/*
+#include "Python.h"
+#include "macro.h"
+#include "type.h"
+*/
+import "C"
+
+//Float : https://docs.python.org/3/c-api/float.html#c.PyFloat_Type
+var Float = togo(C._go_PyFloat_Type)
+
+//PyFloat_Check : https://docs.python.org/3/c-api/float.html#c.PyFloat_Check
+func PyFloat_Check(p *PyObject) bool {
+	return C._go_PyFloat_Check(toc(p)) != 0
+}
+
+//PyFloat_CheckExact : https://docs.python.org/3/c-api/float.html#c.PyFloat_CheckExact
+func PyFloat_CheckExact(p *PyObject) bool {
+	return C._go_PyFloat_CheckExact(toc(p)) != 0
+}
+
+//PyFloat_FromDouble : https://docs.python.org/3/c-api/float.html#c.PyFloat_FromDouble
+func PyFloat_FromDouble(v float64) *PyObject {
+	return togo(C.PyFloat_FromDouble(C.double(v)))
+}
+
+//PyFloat_FromString : https://docs.python.org/3/c-api/float.html#c.PyFloat_FromString
+func PyFloat_FromString(str *PyObject) *PyObject {
+	return togo(C.PyFloat_FromString(toc(str)))
+}
+
+//PyFloat_AsDouble : https://docs.python.org/3/c-api/float.html#c.PyFloat_AsDouble
+func PyFloat_AsDouble(obj *PyObject) float64 {
+	return float64(C.PyFloat_AsDouble(toc(obj)))
+}
+
+//PyFloat_GetInfo : https://docs.python.org/3/c-api/float.html#c.PyFloat_GetInfo
+func PyFloat_GetInfo() *PyObject {
+	return togo(C.PyFloat_GetInfo())
+}
+
+//PyFloat_GetMax : https://docs.python.org/3/c-api/float.html#c.PyFloat_GetMax
+func PyFloat_GetMax() float64 {
+	return float64(C.PyFloat_GetMax())
+}
+
+//PyFloat_GetMin : https://docs.python.org/3/c-api/float.html#c.PyFloat_GetMin
+func PyFloat_GetMin() float64 {
+	return float64(C.PyFloat_GetMin())
+}
+
+//PyFloat_ClearFreeList : https://docs.python.org/3/c-api/float.html#c.PyFloat_ClearFreeList
+func PyFloat_ClearFreeList() int {
+	return int(C.PyFloat_ClearFreeList())
+}
diff --git a/float_test.go b/float_test.go
new file mode 100644
index 0000000..2b3668a
--- /dev/null
+++ b/float_test.go
@@ -0,0 +1,45 @@
+package python3
+
+import (
+	"math"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPyFloatCheck(t *testing.T) {
+	Py_Initialize()
+
+	pyFloat := PyFloat_FromDouble(345.)
+	assert.True(t, PyFloat_Check(pyFloat))
+	assert.True(t, PyFloat_CheckExact(pyFloat))
+	pyFloat.DecRef()
+}
+
+func TestPyFloatFromAsDouble(t *testing.T) {
+	Py_Initialize()
+	v := 2354.
+	pyFloat := PyFloat_FromDouble(v)
+	assert.NotNil(t, pyFloat)
+	assert.Equal(t, v, PyFloat_AsDouble(pyFloat))
+	pyFloat.DecRef()
+}
+
+func TestPyFloatFromAsString(t *testing.T) {
+	Py_Initialize()
+	pyString := PyUnicode_FromString("2354")
+	defer pyString.DecRef()
+
+	pyFloat := PyFloat_FromString(pyString)
+	assert.NotNil(t, pyFloat)
+	assert.Equal(t, 2354., PyFloat_AsDouble(pyFloat))
+	pyFloat.DecRef()
+}
+
+func TestPyFloatMinMax(t *testing.T) {
+	Py_Initialize()
+
+	assert.Equal(t, math.MaxFloat64, PyFloat_GetMax())
+
+	assert.Equal(t, 2.2250738585072014e-308, PyFloat_GetMin())
+}