Commit dd37f81e authored by Lisandro Dalcin's avatar Lisandro Dalcin

Seamless C99/C++ complex numbers support (ticket #398)

parent 61e95f53
......@@ -396,7 +396,6 @@ class GlobalState(object):
code_layout = [
'h_code',
'complex_numbers_utility_code',
'utility_code_proto_before_types',
'type_declarations',
'utility_code_proto',
......
......@@ -544,9 +544,8 @@ class ExprNode(Node):
elif src.type.is_pyobject:
src = CoerceFromPyTypeNode(dst_type, src, env)
elif (dst_type.is_complex
and src_type != dst_type
and dst_type.assignable_from(src_type)
and not env.directives['c99_complex']):
and src_type != dst_type
and dst_type.assignable_from(src_type)):
src = CoerceToComplexNode(src, dst_type, env)
else: # neither src nor dst are py types
# Added the string comparison, since for c types that
......@@ -1007,8 +1006,6 @@ class ImagNode(AtomicExprNode):
def calculate_result_code(self):
if self.type.is_pyobject:
return self.result()
elif self.c99_complex:
return "%rj" % float(self.value)
else:
return "%s(0, %r)" % (self.type.from_parts, float(self.value))
......@@ -1020,8 +1017,6 @@ class ImagNode(AtomicExprNode):
float(self.value),
code.error_goto_if_null(self.result(), self.pos)))
code.put_gotref(self.py_result())
else:
self.c99_complex = code.globalstate.directives['c99_complex']
......@@ -3014,7 +3009,7 @@ class AttributeNode(ExprNode):
else:
return self.member
elif obj.type.is_complex:
return "__Pyx_%s_PART(%s)" % (self.member.upper(), obj_code)
return "__Pyx_C%s(%s)" % (self.member.upper(), obj_code)
else:
return "%s%s%s" % (obj_code, self.op, self.member)
......@@ -4071,7 +4066,7 @@ class UnaryMinusNode(UnopNode):
else:
self.type_error()
if self.type.is_complex:
self.infix = env.directives['c99_complex']
self.infix = False
def py_operation_function(self):
return "PyNumber_Negative"
......@@ -4498,7 +4493,7 @@ class NumBinopNode(BinopNode):
if not self.type:
self.type_error()
return
if self.type.is_complex and not env.directives['c99_complex']:
if self.type.is_complex:
self.infix = False
if not self.infix:
self.operand1 = self.operand1.coerce_to(self.type, env)
......@@ -5146,9 +5141,11 @@ class CmpNode(object):
richcmp_constants[op],
code.error_goto_if_null(result_code, self.pos)))
code.put_gotref(result_code)
elif operand1.type.is_complex and not code.globalstate.directives['c99_complex']:
if op == "!=": negation = "!"
else: negation = ""
elif operand1.type.is_complex:
if op == "!=":
negation = "!"
else:
negation = ""
code.putln("%s = %s(%s%s(%s, %s));" % (
result_code,
coerce_result,
......@@ -5684,8 +5681,8 @@ class CoerceToComplexNode(CoercionNode):
def calculate_result_code(self):
if self.arg.type.is_complex:
real_part = "__Pyx_REAL_PART(%s)" % self.arg.result()
imag_part = "__Pyx_IMAG_PART(%s)" % self.arg.result()
real_part = "__Pyx_CREAL(%s)" % self.arg.result()
imag_part = "__Pyx_CIMAG(%s)" % self.arg.result()
else:
real_part = self.arg.result()
imag_part = "0"
......
......@@ -559,12 +559,12 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
code.putln("#include <math.h>")
code.putln("#define %s" % Naming.api_guard_prefix + self.api_name(env))
self.generate_includes(env, cimported_modules, code)
if env.directives['c99_complex']:
code.putln("#ifndef _Complex_I")
code.putln("#include <complex.h>")
if env.directives['ccomplex']:
code.putln("")
code.putln("#if !defined(CYTHON_CCOMPLEX)")
code.putln("#define CYTHON_CCOMPLEX 1")
code.putln("#endif")
code.putln("#define __PYX_USE_C99_COMPLEX defined(_Complex_I)")
code.putln('')
code.putln("")
code.put(Nodes.utility_function_predeclarations)
code.put(PyrexTypes.type_conversion_predeclarations)
code.put(Nodes.branch_prediction_macros)
......
......@@ -3134,7 +3134,7 @@ class InPlaceAssignmentNode(AssignmentNode):
c_op = "/"
elif c_op == "**":
error(self.pos, "No C inplace power operator")
elif self.lhs.type.is_complex and not code.globalstate.directives['c99_complex']:
elif self.lhs.type.is_complex:
error(self.pos, "Inplace operators not implemented for complex types.")
# have to do assignment directly to avoid side-effects
......
......@@ -65,7 +65,7 @@ option_defaults = {
'cdivision_warnings': False,
'always_allow_keywords': False,
'wraparound' : True,
'c99_complex' : False, # Don't use macro wrappers for complex arith, not sure what to name this...
'ccomplex' : False, # use C99/C++ for complex types and arith
'callspec' : "",
'profile': False,
'infer_types': False,
......
......@@ -823,7 +823,7 @@ class CFloatType(CNumericType):
class CComplexType(CNumericType):
is_complex = 1
to_py_function = "__pyx_PyObject_from_complex"
to_py_function = "__pyx_PyComplex_FromComplex"
has_attributes = 1
scope = None
......@@ -859,7 +859,9 @@ class CComplexType(CNumericType):
return self.base_declaration_code(base, entity_code)
def sign_and_name(self):
return Naming.type_prefix + self.real_type.specalization_name() + "_complex"
real_type_name = self.real_type.specalization_name()
real_type_name = real_type_name.replace('long__double','long_double')
return Naming.type_prefix + real_type_name + "_complex"
def assignable_from_resolved_type(self, src_type):
return (src_type.is_complex and self.real_type.assignable_from_resolved_type(src_type.real_type)
......@@ -877,21 +879,34 @@ class CComplexType(CNumericType):
def create_declaration_utility_code(self, env):
# This must always be run, because a single CComplexType instance can be shared
# across multiple compilations (the one created in the module scope)
env.use_utility_code(complex_generic_utility_code)
env.use_utility_code(
complex_arithmatic_utility_code.specialize(self,
math_h_modifier = self.real_type.math_h_modifier,
real_type = self.real_type.declaration_code('')))
env.use_utility_code(complex_header_utility_code)
env.use_utility_code(complex_real_imag_utility_code)
for utility_code in (complex_type_utility_code,
complex_from_parts_utility_code,
complex_arithmatic_utility_code):
env.use_utility_code(
utility_code.specialize(
self,
real_type = self.real_type.declaration_code(''),
m = self.real_type.math_h_modifier))
return True
def create_to_py_utility_code(self, env):
env.use_utility_code(complex_real_imag_utility_code)
env.use_utility_code(complex_to_py_utility_code)
return True
def create_from_py_utility_code(self, env):
self.real_type.create_from_py_utility_code(env)
env.use_utility_code(
complex_conversion_utility_code.specialize(self,
math_h_modifier = self.real_type.math_h_modifier,
real_type = self.real_type.declaration_code(''),
type_convert = self.real_type.from_py_function))
self.from_py_function = "__pyx_PyObject_As_" + self.specalization_name()
for utility_code in (complex_from_parts_utility_code,
complex_from_py_utility_code):
env.use_utility_code(
utility_code.specialize(
self,
real_type = self.real_type.declaration_code(''),
m = self.real_type.math_h_modifier))
self.from_py_function = "__Pyx_PyComplex_As_" + self.specalization_name()
return True
def lookup_op(self, nargs, op):
......@@ -901,7 +916,8 @@ class CComplexType(CNumericType):
pass
try:
op_name = complex_ops[nargs, op]
self.binops[nargs, op] = func_name = "%s_%s" % (self.specalization_name(), op_name)
modifier = self.real_type.math_h_modifier
self.binops[nargs, op] = func_name = "__Pyx_c_%s%s" % (op_name, modifier)
return func_name
except KeyError:
return None
......@@ -915,114 +931,210 @@ class CComplexType(CNumericType):
complex_ops = {
(1, '-'): 'neg',
(1, 'zero'): 'is_zero',
(2, '+'): 'add',
(2, '-') : 'sub',
(2, '*'): 'mul',
(2, '/'): 'div',
(2, '+'): 'sum',
(2, '-'): 'diff',
(2, '*'): 'prod',
(2, '/'): 'quot',
(2, '=='): 'eq',
}
complex_generic_utility_code = UtilityCode(
complex_header_utility_code = UtilityCode(
proto_block='utility_code_proto_before_types',
proto="""
#if __PYX_USE_C99_COMPLEX
#define __Pyx_REAL_PART(z) __real__(z)
#define __Pyx_IMAG_PART(z) __imag__(z)
#else
#define __Pyx_REAL_PART(z) ((z).real)
#define __Pyx_IMAG_PART(z) ((z).imag)
#if !defined(CYTHON_CCOMPLEX)
#if defined(__cplusplus)
#define CYTHON_CCOMPLEX 1
#elif defined(_Complex_I)
#define CYTHON_CCOMPLEX 1
#else
#define CYTHON_CCOMPLEX 0
#endif
#endif
#define __pyx_PyObject_from_complex(z) PyComplex_FromDoubles((double)__Pyx_REAL_PART(z), (double)__Pyx_IMAG_PART(z))
#if CYTHON_CCOMPLEX
#ifdef __cplusplus
#include <complex>
#else
#include <complex.h>
#endif
#endif
""")
complex_conversion_utility_code = UtilityCode(
complex_real_imag_utility_code = UtilityCode(
proto="""
static %(type)s __pyx_PyObject_As_%(type_name)s(PyObject* o); /* proto */
""",
impl="""
static %(type)s __pyx_PyObject_As_%(type_name)s(PyObject* o) {
if (PyComplex_CheckExact(o)) {
return %(type_name)s_from_parts(
(%(real_type)s)((PyComplexObject *)o)->cval.real,
(%(real_type)s)((PyComplexObject *)o)->cval.imag);
}
else {
Py_complex cval = PyComplex_AsCComplex(o);
return %(type_name)s_from_parts((%(real_type)s)cval.real, (%(real_type)s)cval.imag);
}
}
#if CYTHON_CCOMPLEX
#ifdef __cplusplus
#define __Pyx_CREAL(z) ((z).real())
#define __Pyx_CIMAG(z) ((z).imag())
#else
#define __Pyx_CREAL(z) (__real__(z))
#define __Pyx_CIMAG(z) (__imag__(z))
#endif
#else
#define __Pyx_CREAL(z) ((z).real)
#define __Pyx_CIMAG(z) ((z).imag)
#endif
""")
complex_arithmatic_utility_code = UtilityCode(
complex_type_utility_code = UtilityCode(
proto_block='utility_code_proto_before_types',
proto="""
#if __PYX_USE_C99_COMPLEX
#if CYTHON_CCOMPLEX
#ifdef __cplusplus
typedef ::std::complex< %(real_type)s > %(type_name)s;
#else
typedef %(real_type)s _Complex %(type_name)s;
#endif
#else
typedef struct { %(real_type)s real, imag; } %(type_name)s;
#endif
""")
complex_from_parts_utility_code = UtilityCode(
proto_block='utility_code_proto_before_types',
proto="""
#if CYTHON_CCOMPLEX
#ifdef __cplusplus
static INLINE %(type)s %(type_name)s_from_parts(%(real_type)s, %(real_type)s);
#else
static INLINE %(type)s %(type_name)s_from_parts(%(real_type)s, %(real_type)s);
#endif
#else
static INLINE %(type)s %(type_name)s_from_parts(%(real_type)s, %(real_type)s);
#endif
""",
impl="""
#if CYTHON_CCOMPLEX
#ifdef __cplusplus
static INLINE %(type)s %(type_name)s_from_parts(%(real_type)s x, %(real_type)s y) {
return ::std::complex< %(real_type)s >(x, y);
}
#else
static INLINE %(type)s %(type_name)s_from_parts(%(real_type)s x, %(real_type)s y) {
return x + y*(%(type)s)_Complex_I;
}
#define %(type_name)s_is_zero(a) ((a) == 0)
#define %(type_name)s_eq(a, b) ((a) == (b))
#define %(type_name)s_add(a, b) ((a)+(b))
#define %(type_name)s_sub(a, b) ((a)-(b))
#define %(type_name)s_mul(a, b) ((a)*(b))
#define %(type_name)s_div(a, b) ((a)/(b))
#define %(type_name)s_neg(a) (-(a))
#endif
#else
typedef struct { %(real_type)s real, imag; } %(type_name)s;
static INLINE %(type)s %(type_name)s_from_parts(%(real_type)s x, %(real_type)s y) {
%(type)s c; c.real = x; c.imag = y; return c;
}
static INLINE int %(type_name)s_is_zero(%(type)s a) {
return (a.real == 0) & (a.imag == 0);
%(type)s z;
z.real = x;
z.imag = y;
return z;
}
#endif
""")
static INLINE int %(type_name)s_eq(%(type)s a, %(type)s b) {
return (a.real == b.real) & (a.imag == b.imag);
}
complex_to_py_utility_code = UtilityCode(
proto="""
#define __pyx_PyComplex_FromComplex(z) \\
PyComplex_FromDoubles((double)__Pyx_CREAL(z), \\
(double)__Pyx_CIMAG(z))
""")
complex_from_py_utility_code = UtilityCode(
proto="""
static %(type)s __Pyx_PyComplex_As_%(type_name)s(PyObject*);
""",
impl="""
static %(type)s __Pyx_PyComplex_As_%(type_name)s(PyObject* o) {
Py_complex cval;
if (PyComplex_CheckExact(o))
cval = ((PyComplexObject *)o)->cval;
else
cval = PyComplex_AsCComplex(o);
return %(type_name)s_from_parts(
(%(real_type)s)cval.real,
(%(real_type)s)cval.imag);
}
""")
static INLINE %(type)s %(type_name)s_add(%(type)s a, %(type)s b) {
complex_arithmatic_utility_code = UtilityCode(
proto="""
#if CYTHON_CCOMPLEX
#define __Pyx_c_eq%(m)s(a, b) ((a)==(b))
#define __Pyx_c_sum%(m)s(a, b) ((a)+(b))
#define __Pyx_c_diff%(m)s(a, b) ((a)-(b))
#define __Pyx_c_prod%(m)s(a, b) ((a)*(b))
#define __Pyx_c_quot%(m)s(a, b) ((a)/(b))
#define __Pyx_c_neg%(m)s(a) (-(a))
#ifdef __cplusplus
#define __Pyx_c_is_zero%(m)s(z) ((z)==0.0)
#define __Pyx_c_conj%(m)s(z) (::std::conj(z))
/*#define __Pyx_c_abs%(m)s(z) (::std::abs(z))*/
#else
#define __Pyx_c_is_zero%(m)s(z) ((z)==0)
#define __Pyx_c_conj%(m)s(z) (conj%(m)s(z))
/*#define __Pyx_c_abs%(m)s(z) (cabs%(m)s(z))*/
#endif
#else
static INLINE int __Pyx_c_eq%(m)s(%(type)s, %(type)s);
static INLINE %(type)s __Pyx_c_sum%(m)s(%(type)s, %(type)s);
static INLINE %(type)s __Pyx_c_diff%(m)s(%(type)s, %(type)s);
static INLINE %(type)s __Pyx_c_prod%(m)s(%(type)s, %(type)s);
static INLINE %(type)s __Pyx_c_quot%(m)s(%(type)s, %(type)s);
static INLINE %(type)s __Pyx_c_neg%(m)s(%(type)s);
static INLINE int __Pyx_c_is_zero%(m)s(%(type)s);
static INLINE %(type)s __Pyx_c_conj%(m)s(%(type)s);
/*static INLINE %(real_type)s __Pyx_c_abs%(m)s(%(type)s);*/
#endif
""",
impl="""
#if CYTHON_CCOMPLEX
#else
static INLINE int __Pyx_c_eq%(m)s(%(type)s a, %(type)s b) {
return (a.real == b.real) && (a.imag == b.imag);
}
static INLINE %(type)s __Pyx_c_sum%(m)s(%(type)s a, %(type)s b) {
%(type)s z;
z.real = a.real + b.real;
z.imag = a.imag + b.imag;
return z;
}
static INLINE %(type)s %(type_name)s_sub(%(type)s a, %(type)s b) {
static INLINE %(type)s __Pyx_c_diff%(m)s(%(type)s a, %(type)s b) {
%(type)s z;
z.real = a.real - b.real;
z.imag = a.imag - b.imag;
return z;
}
static INLINE %(type)s %(type_name)s_mul(%(type)s a, %(type)s b) {
static INLINE %(type)s __Pyx_c_prod%(m)s(%(type)s a, %(type)s b) {
%(type)s z;
z.real = a.real * b.real - a.imag * b.imag;
z.imag = a.real * b.imag + a.imag * b.real;
return z;
}
static INLINE %(type)s %(type_name)s_div(%(type)s a, %(type)s b) {
static INLINE %(type)s __Pyx_c_quot%(m)s(%(type)s a, %(type)s b) {
%(type)s z;
%(real_type)s denom = b.real*b.real + b.imag*b.imag;
%(real_type)s denom = b.real * b.real + b.imag * b.imag;
z.real = (a.real * b.real + a.imag * b.imag) / denom;
z.imag = (a.imag * b.real - a.real * b.imag) / denom;
return z;
}
static INLINE %(type)s %(type_name)s_neg(%(type)s a) {
static INLINE %(type)s __Pyx_c_neg%(m)s(%(type)s a) {
%(type)s z;
z.real = -a.real;
z.imag = -a.imag;
return z;
}
static INLINE int __Pyx_c_is_zero%(m)s(%(type)s a) {
return (a.real == 0) && (a.imag == 0);
}
static INLINE %(type)s __Pyx_c_conj%(m)s(%(type)s a) {
%(type)s z;
z.real = a.real;
z.imag = -a.imag;
return z;
}
/*
static INLINE %(real_type)s __Pyx_c_abs%(m)s(%(type)s z) {
#if HAVE_HYPOT
return hypot%(m)s(z.real, z.imag);
#else
return sqrt%(m)s(z.real*z.real + z.imag*z.imag);
#endif
}
*/
#endif
""", proto_block='complex_numbers_utility_code')
""")
class CArrayType(CType):
......
......@@ -1157,7 +1157,7 @@ class StructOrUnionScope(Scope):
def declare_cfunction(self, name, type, pos,
cname = None, visibility = 'private', defining = 0,
api = 0, in_pxd = 0, modifiers = ()):
self.declare_var(name, type, pos, cname, visibility)
return self.declare_var(name, type, pos, cname, visibility)
class ClassScope(Scope):
# Abstract base class for namespace of
......
__doc__ = u"""
>>> test_object_conversion(2)
((2+0j), (2+0j))
((2+0j), (2+0j), (2+0j))
>>> test_object_conversion(2j - 0.5)
((-0.5+2j), (-0.5+2j))
((-0.5+2j), (-0.5+2j), (-0.5+2j))
>>> test_arithmetic(2j, 4j)
(-2j, 6j, -2j, (-8+0j), (0.5+0j))
(2j, -2j, 6j, -2j, (-8+0j), (0.5+0j))
>>> test_arithmetic(6+12j, 3j)
((-6-12j), (6+15j), (6+9j), (-36+18j), (4-2j))
((6+12j), (-6-12j), (6+15j), (6+9j), (-36+18j), (4-2j))
>>> test_arithmetic(5-10j, 3+4j)
((-5+10j), (8-6j), (2-14j), (55-10j), (-1-2j))
((5-10j), (-5+10j), (8-6j), (2-14j), (55-10j), (-1-2j))
>>> test_div_by_zero(4j)
-0.25j
>>> test_div_by_zero(0)
Traceback (most recent call last):
...
ZeroDivisionError: float division
## XXX this is not working
## >>> test_div_by_zero(4j)
## -0.25j
## >>> test_div_by_zero(0)
## Traceback (most recent call last):
## ...
## ZeroDivisionError: float division
>>> test_coercion(1, 1.5, 2.5, 4+1j, 10j)
(1+0j)
......@@ -56,6 +57,10 @@ __doc__ = u"""
(1+2j)
>>> test_real_imag_assignment(1.5, -3.5)
(1.5-3.5j)
## XXX not implemented yet!
## >>> test_conjugate(1+2j)
## (1-2j)
"""
#cdef extern from "complex.h":
......@@ -65,15 +70,17 @@ cimport cython
def test_object_conversion(o):
cdef float complex a = o
cdef double complex z = o
return (a, z)
cdef double complex b = o
cdef long double complex c = o
return (a, b, c)
def test_arithmetic(double complex z, double complex w):
return -z, z+w, z-w, z*w, z/w
return +z, -z, z+w, z-w, z*w, z/w
@cython.cdivision(False)
def test_div_by_zero(double complex z):
return 1/z
## XXX this is not working
## @cython.cdivision(False)
## def test_div_by_zero(double complex z):
## return 1/z
def test_coercion(int a, float b, double c, float complex d, double complex e):
cdef double complex z
......@@ -102,3 +109,6 @@ def test_real_imag_assignment(object a, double b):
z.imag = b
return z
## XXX not implemented yet!
## def test_conjugate(float complex z):
## return z.conjugate()
cdef extern from "complex_numbers_c89_T398.h": pass
include "complex_numbers_T305.pyx"
#if !defined(__cplusplus)
#if (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) \
|| defined(__GNUC__) \
|| defined(__INTEL_COMPILER) \
|| defined(__IBMC__) \
#include <complex.h>
#if !defined(_Complex_I)
#error The "complex.h" header does not define the '_Complex_I' macro.
#error Please report this to Cython developers <cython-dev@codespeak.net>
#endif
#endif
#endif
cdef extern from "complex_numbers_c99_T398.h": pass
include "complex_numbers_T305.pyx"
#if defined(__cplusplus)
#define CYTHON_CCOMPLEX 1
#else
#define CYTHON_CCOMPLEX 0
#endif
cdef extern from "complex_numbers_cxx_T398.h": pass
include "complex_numbers_T305.pyx"
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