/
loops.c.src
1517 lines (1366 loc) · 40.2 KB
/
loops.c.src
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/* -*- c -*- */
#define _UMATHMODULE
#include "Python.h"
#include "npy_config.h"
#ifdef ENABLE_SEPARATE_COMPILATION
#define PY_ARRAY_UNIQUE_SYMBOL _npy_umathmodule_ARRAY_API
#define NO_IMPORT_ARRAY
#endif
#include "numpy/noprefix.h"
#include "numpy/ufuncobject.h"
#include "numpy/npy_math.h"
#include "numpy/npy_3kcompat.h"
#include "ufunc_object.h"
/*
*****************************************************************************
** UFUNC LOOPS **
*****************************************************************************
*/
#define IS_BINARY_REDUCE ((args[0] == args[2])\
&& (steps[0] == steps[2])\
&& (steps[0] == 0))
#define OUTPUT_LOOP\
char *op1 = args[1];\
intp os1 = steps[1];\
intp n = dimensions[0];\
intp i;\
for(i = 0; i < n; i++, op1 += os1)
#define UNARY_LOOP\
char *ip1 = args[0], *op1 = args[1];\
intp is1 = steps[0], os1 = steps[1];\
intp n = dimensions[0];\
intp i;\
for(i = 0; i < n; i++, ip1 += is1, op1 += os1)
#define UNARY_LOOP_TWO_OUT\
char *ip1 = args[0], *op1 = args[1], *op2 = args[2];\
intp is1 = steps[0], os1 = steps[1], os2 = steps[2];\
intp n = dimensions[0];\
intp i;\
for(i = 0; i < n; i++, ip1 += is1, op1 += os1, op2 += os2)
#define BINARY_LOOP\
char *ip1 = args[0], *ip2 = args[1], *op1 = args[2];\
intp is1 = steps[0], is2 = steps[1], os1 = steps[2];\
intp n = dimensions[0];\
intp i;\
for(i = 0; i < n; i++, ip1 += is1, ip2 += is2, op1 += os1)
#define BINARY_REDUCE_LOOP(TYPE)\
char *iop1 = args[0], *ip2 = args[1]; \
intp is2 = steps[1]; \
intp n = dimensions[0]; \
intp i; \
TYPE io1 = *(TYPE *)iop1; \
for(i = 0; i < n; i++, ip2 += is2)
#define BINARY_LOOP_TWO_OUT\
char *ip1 = args[0], *ip2 = args[1], *op1 = args[2], *op2 = args[3];\
intp is1 = steps[0], is2 = steps[1], os1 = steps[2], os2 = steps[3];\
intp n = dimensions[0];\
intp i;\
for(i = 0; i < n; i++, ip1 += is1, ip2 += is2, op1 += os1, op2 += os2)
/******************************************************************************
** GENERIC FLOAT LOOPS **
*****************************************************************************/
typedef float floatUnaryFunc(float x);
typedef double doubleUnaryFunc(double x);
typedef longdouble longdoubleUnaryFunc(longdouble x);
typedef float floatBinaryFunc(float x, float y);
typedef double doubleBinaryFunc(double x, double y);
typedef longdouble longdoubleBinaryFunc(longdouble x, longdouble y);
/*UFUNC_API*/
NPY_NO_EXPORT void
PyUFunc_f_f(char **args, intp *dimensions, intp *steps, void *func)
{
floatUnaryFunc *f = (floatUnaryFunc *)func;
UNARY_LOOP {
const float in1 = *(float *)ip1;
*(float *)op1 = f(in1);
}
}
/*UFUNC_API*/
NPY_NO_EXPORT void
PyUFunc_f_f_As_d_d(char **args, intp *dimensions, intp *steps, void *func)
{
doubleUnaryFunc *f = (doubleUnaryFunc *)func;
UNARY_LOOP {
const float in1 = *(float *)ip1;
*(float *)op1 = (float)f((double)in1);
}
}
/*UFUNC_API*/
NPY_NO_EXPORT void
PyUFunc_ff_f(char **args, intp *dimensions, intp *steps, void *func)
{
floatBinaryFunc *f = (floatBinaryFunc *)func;
BINARY_LOOP {
float in1 = *(float *)ip1;
float in2 = *(float *)ip2;
*(float *)op1 = f(in1, in2);
}
}
/*UFUNC_API*/
NPY_NO_EXPORT void
PyUFunc_ff_f_As_dd_d(char **args, intp *dimensions, intp *steps, void *func)
{
doubleBinaryFunc *f = (doubleBinaryFunc *)func;
BINARY_LOOP {
float in1 = *(float *)ip1;
float in2 = *(float *)ip2;
*(float *)op1 = (double)f((double)in1, (double)in2);
}
}
/*UFUNC_API*/
NPY_NO_EXPORT void
PyUFunc_d_d(char **args, intp *dimensions, intp *steps, void *func)
{
doubleUnaryFunc *f = (doubleUnaryFunc *)func;
UNARY_LOOP {
double in1 = *(double *)ip1;
*(double *)op1 = f(in1);
}
}
/*UFUNC_API*/
NPY_NO_EXPORT void
PyUFunc_dd_d(char **args, intp *dimensions, intp *steps, void *func)
{
doubleBinaryFunc *f = (doubleBinaryFunc *)func;
BINARY_LOOP {
double in1 = *(double *)ip1;
double in2 = *(double *)ip2;
*(double *)op1 = f(in1, in2);
}
}
/*UFUNC_API*/
NPY_NO_EXPORT void
PyUFunc_g_g(char **args, intp *dimensions, intp *steps, void *func)
{
longdoubleUnaryFunc *f = (longdoubleUnaryFunc *)func;
UNARY_LOOP {
longdouble in1 = *(longdouble *)ip1;
*(longdouble *)op1 = f(in1);
}
}
/*UFUNC_API*/
NPY_NO_EXPORT void
PyUFunc_gg_g(char **args, intp *dimensions, intp *steps, void *func)
{
longdoubleBinaryFunc *f = (longdoubleBinaryFunc *)func;
BINARY_LOOP {
longdouble in1 = *(longdouble *)ip1;
longdouble in2 = *(longdouble *)ip2;
*(longdouble *)op1 = f(in1, in2);
}
}
/******************************************************************************
** GENERIC COMPLEX LOOPS **
*****************************************************************************/
typedef void cdoubleUnaryFunc(cdouble *x, cdouble *r);
typedef void cfloatUnaryFunc(cfloat *x, cfloat *r);
typedef void clongdoubleUnaryFunc(clongdouble *x, clongdouble *r);
typedef void cdoubleBinaryFunc(cdouble *x, cdouble *y, cdouble *r);
typedef void cfloatBinaryFunc(cfloat *x, cfloat *y, cfloat *r);
typedef void clongdoubleBinaryFunc(clongdouble *x, clongdouble *y,
clongdouble *r);
/*UFUNC_API*/
NPY_NO_EXPORT void
PyUFunc_F_F(char **args, intp *dimensions, intp *steps, void *func)
{
cfloatUnaryFunc *f = (cfloatUnaryFunc *)func;
UNARY_LOOP {
cfloat in1 = *(cfloat *)ip1;
cfloat *out = (cfloat *)op1;
f(&in1, out);
}
}
/*UFUNC_API*/
NPY_NO_EXPORT void
PyUFunc_F_F_As_D_D(char **args, intp *dimensions, intp *steps, void *func)
{
cdoubleUnaryFunc *f = (cdoubleUnaryFunc *)func;
UNARY_LOOP {
cdouble tmp, out;
tmp.real = (double)((float *)ip1)[0];
tmp.imag = (double)((float *)ip1)[1];
f(&tmp, &out);
((float *)op1)[0] = (float)out.real;
((float *)op1)[1] = (float)out.imag;
}
}
/*UFUNC_API*/
NPY_NO_EXPORT void
PyUFunc_FF_F(char **args, intp *dimensions, intp *steps, void *func)
{
cfloatBinaryFunc *f = (cfloatBinaryFunc *)func;
BINARY_LOOP {
cfloat in1 = *(cfloat *)ip1;
cfloat in2 = *(cfloat *)ip2;
cfloat *out = (cfloat *)op1;
f(&in1, &in2, out);
}
}
/*UFUNC_API*/
NPY_NO_EXPORT void
PyUFunc_FF_F_As_DD_D(char **args, intp *dimensions, intp *steps, void *func)
{
cdoubleBinaryFunc *f = (cdoubleBinaryFunc *)func;
BINARY_LOOP {
cdouble tmp1, tmp2, out;
tmp1.real = (double)((float *)ip1)[0];
tmp1.imag = (double)((float *)ip1)[1];
tmp2.real = (double)((float *)ip2)[0];
tmp2.imag = (double)((float *)ip2)[1];
f(&tmp1, &tmp2, &out);
((float *)op1)[0] = (float)out.real;
((float *)op1)[1] = (float)out.imag;
}
}
/*UFUNC_API*/
NPY_NO_EXPORT void
PyUFunc_D_D(char **args, intp *dimensions, intp *steps, void *func)
{
cdoubleUnaryFunc *f = (cdoubleUnaryFunc *)func;
UNARY_LOOP {
cdouble in1 = *(cdouble *)ip1;
cdouble *out = (cdouble *)op1;
f(&in1, out);
}
}
/*UFUNC_API*/
NPY_NO_EXPORT void
PyUFunc_DD_D(char **args, intp *dimensions, intp *steps, void *func)
{
cdoubleBinaryFunc *f = (cdoubleBinaryFunc *)func;
BINARY_LOOP {
cdouble in1 = *(cdouble *)ip1;
cdouble in2 = *(cdouble *)ip2;
cdouble *out = (cdouble *)op1;
f(&in1, &in2, out);
}
}
/*UFUNC_API*/
NPY_NO_EXPORT void
PyUFunc_G_G(char **args, intp *dimensions, intp *steps, void *func)
{
clongdoubleUnaryFunc *f = (clongdoubleUnaryFunc *)func;
UNARY_LOOP {
clongdouble in1 = *(clongdouble *)ip1;
clongdouble *out = (clongdouble *)op1;
f(&in1, out);
}
}
/*UFUNC_API*/
NPY_NO_EXPORT void
PyUFunc_GG_G(char **args, intp *dimensions, intp *steps, void *func)
{
clongdoubleBinaryFunc *f = (clongdoubleBinaryFunc *)func;
BINARY_LOOP {
clongdouble in1 = *(clongdouble *)ip1;
clongdouble in2 = *(clongdouble *)ip2;
clongdouble *out = (clongdouble *)op1;
f(&in1, &in2, out);
}
}
/******************************************************************************
** GENERIC OBJECT lOOPS **
*****************************************************************************/
/*UFUNC_API*/
NPY_NO_EXPORT void
PyUFunc_O_O(char **args, intp *dimensions, intp *steps, void *func)
{
unaryfunc f = (unaryfunc)func;
UNARY_LOOP {
PyObject *in1 = *(PyObject **)ip1;
PyObject **out = (PyObject **)op1;
PyObject *ret = f(in1);
if ((ret == NULL) || PyErr_Occurred()) {
return;
}
Py_XDECREF(*out);
*out = ret;
}
}
/*UFUNC_API*/
NPY_NO_EXPORT void
PyUFunc_O_O_method(char **args, intp *dimensions, intp *steps, void *func)
{
char *meth = (char *)func;
UNARY_LOOP {
PyObject *in1 = *(PyObject **)ip1;
PyObject **out = (PyObject **)op1;
PyObject *ret = PyObject_CallMethod(in1, meth, NULL);
if (ret == NULL) {
return;
}
Py_XDECREF(*out);
*out = ret;
}
}
/*UFUNC_API*/
NPY_NO_EXPORT void
PyUFunc_OO_O(char **args, intp *dimensions, intp *steps, void *func)
{
binaryfunc f = (binaryfunc)func;
BINARY_LOOP {
PyObject *in1 = *(PyObject **)ip1;
PyObject *in2 = *(PyObject **)ip2;
PyObject **out = (PyObject **)op1;
PyObject *ret = f(in1, in2);
if (PyErr_Occurred()) {
return;
}
Py_XDECREF(*out);
*out = ret;
}
}
/*UFUNC_API*/
NPY_NO_EXPORT void
PyUFunc_OO_O_method(char **args, intp *dimensions, intp *steps, void *func)
{
char *meth = (char *)func;
BINARY_LOOP {
PyObject *in1 = *(PyObject **)ip1;
PyObject *in2 = *(PyObject **)ip2;
PyObject **out = (PyObject **)op1;
PyObject *ret = PyObject_CallMethod(in1, meth, "(O)", in2);
if (ret == NULL) {
return;
}
Py_XDECREF(*out);
*out = ret;
}
}
/*
* A general-purpose ufunc that deals with general-purpose Python callable.
* func is a structure with nin, nout, and a Python callable function
*/
/*UFUNC_API*/
NPY_NO_EXPORT void
PyUFunc_On_Om(char **args, intp *dimensions, intp *steps, void *func)
{
intp n = dimensions[0];
PyUFunc_PyFuncData *data = (PyUFunc_PyFuncData *)func;
int nin = data->nin;
int nout = data->nout;
PyObject *tocall = data->callable;
char *ptrs[NPY_MAXARGS];
PyObject *arglist, *result;
PyObject *in, **op;
intp i, j, ntot;
ntot = nin+nout;
for(j = 0; j < ntot; j++) {
ptrs[j] = args[j];
}
for(i = 0; i < n; i++) {
arglist = PyTuple_New(nin);
if (arglist == NULL) {
return;
}
for(j = 0; j < nin; j++) {
in = *((PyObject **)ptrs[j]);
if (in == NULL) {
Py_DECREF(arglist);
return;
}
PyTuple_SET_ITEM(arglist, j, in);
Py_INCREF(in);
}
result = PyEval_CallObject(tocall, arglist);
Py_DECREF(arglist);
if (result == NULL) {
return;
}
if (PyTuple_Check(result)) {
if (nout != PyTuple_Size(result)) {
Py_DECREF(result);
return;
}
for(j = 0; j < nout; j++) {
op = (PyObject **)ptrs[j+nin];
Py_XDECREF(*op);
*op = PyTuple_GET_ITEM(result, j);
Py_INCREF(*op);
}
Py_DECREF(result);
}
else {
op = (PyObject **)ptrs[nin];
Py_XDECREF(*op);
*op = result;
}
for(j = 0; j < ntot; j++) {
ptrs[j] += steps[j];
}
}
}
/*
*****************************************************************************
** BOOLEAN LOOPS **
*****************************************************************************
*/
/**begin repeat
* #kind = equal, not_equal, greater, greater_equal, less, less_equal#
* #OP = ==, !=, >, >=, <, <=#
**/
NPY_NO_EXPORT void
BOOL_@kind@(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
BINARY_LOOP {
Bool in1 = *((Bool *)ip1) != 0;
Bool in2 = *((Bool *)ip2) != 0;
*((Bool *)op1)= in1 @OP@ in2;
}
}
/**end repeat**/
/**begin repeat
* #kind = logical_and, logical_or#
* #OP = &&, ||#
* #SC = ==, !=#
**/
NPY_NO_EXPORT void
BOOL_@kind@(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
if(IS_BINARY_REDUCE) {
BINARY_REDUCE_LOOP(Bool) {
const Bool in2 = *(Bool *)ip2;
io1 = io1 @OP@ in2;
if (io1 @SC@ 0) {
break;
}
}
*((Bool *)iop1) = io1;
}
else {
BINARY_LOOP {
const Bool in1 = *(Bool *)ip1;
const Bool in2 = *(Bool *)ip2;
*((Bool *)op1) = in1 @OP@ in2;
}
}
}
/**end repeat**/
NPY_NO_EXPORT void
BOOL_logical_xor(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
BINARY_LOOP {
Bool in1 = *((Bool *)ip1) != 0;
Bool in2 = *((Bool *)ip2) != 0;
*((Bool *)op1)= (in1 && !in2) || (!in1 && in2);
}
}
/**begin repeat
* #kind = maximum, minimum#
* #OP = >, <#
**/
NPY_NO_EXPORT void
BOOL_@kind@(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
BINARY_LOOP {
Bool in1 = *((Bool *)ip1) != 0;
Bool in2 = *((Bool *)ip2) != 0;
*((Bool *)op1) = (in1 @OP@ in2) ? in1 : in2;
}
}
/**end repeat**/
/**begin repeat
* #kind = absolute, logical_not#
* #OP = !=, ==#
**/
NPY_NO_EXPORT void
BOOL_@kind@(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
UNARY_LOOP {
Bool in1 = *(Bool *)ip1;
*((Bool *)op1) = in1 @OP@ 0;
}
}
/**end repeat**/
NPY_NO_EXPORT void
BOOL_ones_like(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(data))
{
OUTPUT_LOOP {
*((Bool *)op1) = 1;
}
}
/*
*****************************************************************************
** INTEGER LOOPS
*****************************************************************************
*/
/**begin repeat
* #type = byte, short, int, long, longlong#
* #TYPE = BYTE, SHORT, INT, LONG, LONGLONG#
* #ftype = float, float, double, double, double#
*/
/**begin repeat1
* both signed and unsigned integer types
* #s = , u#
* #S = , U#
*/
#define @S@@TYPE@_floor_divide @S@@TYPE@_divide
#define @S@@TYPE@_fmax @S@@TYPE@_maximum
#define @S@@TYPE@_fmin @S@@TYPE@_minimum
NPY_NO_EXPORT void
@S@@TYPE@_ones_like(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(data))
{
OUTPUT_LOOP {
*((@s@@type@ *)op1) = 1;
}
}
NPY_NO_EXPORT void
@S@@TYPE@_square(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(data))
{
UNARY_LOOP {
const @s@@type@ in1 = *(@s@@type@ *)ip1;
*((@s@@type@ *)op1) = in1*in1;
}
}
NPY_NO_EXPORT void
@S@@TYPE@_reciprocal(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(data))
{
UNARY_LOOP {
const @s@@type@ in1 = *(@s@@type@ *)ip1;
*((@s@@type@ *)op1) = (@s@@type@)(1.0/in1);
}
}
NPY_NO_EXPORT void
@S@@TYPE@_conjugate(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
UNARY_LOOP {
const @s@@type@ in1 = *(@s@@type@ *)ip1;
*((@s@@type@ *)op1) = in1;
}
}
NPY_NO_EXPORT void
@S@@TYPE@_negative(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
UNARY_LOOP {
const @s@@type@ in1 = *(@s@@type@ *)ip1;
*((@s@@type@ *)op1) = (@s@@type@)(-(@type@)in1);
}
}
NPY_NO_EXPORT void
@S@@TYPE@_logical_not(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
UNARY_LOOP {
const @s@@type@ in1 = *(@s@@type@ *)ip1;
*((Bool *)op1) = !in1;
}
}
NPY_NO_EXPORT void
@S@@TYPE@_invert(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
UNARY_LOOP {
const @s@@type@ in1 = *(@s@@type@ *)ip1;
*((@s@@type@ *)op1) = ~in1;
}
}
/**begin repeat2
* Arithmetic
* #kind = add, subtract, multiply, bitwise_and, bitwise_or, bitwise_xor,
* left_shift, right_shift#
* #OP = +, -,*, &, |, ^, <<, >>#
*/
NPY_NO_EXPORT void
@S@@TYPE@_@kind@(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
if(IS_BINARY_REDUCE) {
BINARY_REDUCE_LOOP(@s@@type@) {
io1 @OP@= *(@s@@type@ *)ip2;
}
*((@s@@type@ *)iop1) = io1;
}
else {
BINARY_LOOP {
const @s@@type@ in1 = *(@s@@type@ *)ip1;
const @s@@type@ in2 = *(@s@@type@ *)ip2;
*((@s@@type@ *)op1) = in1 @OP@ in2;
}
}
}
/**end repeat2**/
/**begin repeat2
* #kind = equal, not_equal, greater, greater_equal, less, less_equal,
* logical_and, logical_or#
* #OP = ==, !=, >, >=, <, <=, &&, ||#
*/
NPY_NO_EXPORT void
@S@@TYPE@_@kind@(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
BINARY_LOOP {
const @s@@type@ in1 = *(@s@@type@ *)ip1;
const @s@@type@ in2 = *(@s@@type@ *)ip2;
*((Bool *)op1) = in1 @OP@ in2;
}
}
/**end repeat2**/
NPY_NO_EXPORT void
@S@@TYPE@_logical_xor(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
BINARY_LOOP {
const @s@@type@ in1 = *(@s@@type@ *)ip1;
const @s@@type@ in2 = *(@s@@type@ *)ip2;
*((Bool *)op1)= (in1 && !in2) || (!in1 && in2);
}
}
/**begin repeat2
* #kind = maximum, minimum#
* #OP = >, <#
**/
NPY_NO_EXPORT void
@S@@TYPE@_@kind@(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
BINARY_LOOP {
const @s@@type@ in1 = *(@s@@type@ *)ip1;
const @s@@type@ in2 = *(@s@@type@ *)ip2;
*((@s@@type@ *)op1) = (in1 @OP@ in2) ? in1 : in2;
}
}
/**end repeat2**/
NPY_NO_EXPORT void
@S@@TYPE@_true_divide(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
BINARY_LOOP {
const double in1 = (double)(*(@s@@type@ *)ip1);
const double in2 = (double)(*(@s@@type@ *)ip2);
*((double *)op1) = in1/in2;
}
}
NPY_NO_EXPORT void
@S@@TYPE@_power(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
BINARY_LOOP {
const @ftype@ in1 = (@ftype@)*(@s@@type@ *)ip1;
const @ftype@ in2 = (@ftype@)*(@s@@type@ *)ip2;
*((@s@@type@ *)op1) = (@s@@type@) pow(in1, in2);
}
}
NPY_NO_EXPORT void
@S@@TYPE@_fmod(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
BINARY_LOOP {
const @s@@type@ in1 = *(@s@@type@ *)ip1;
const @s@@type@ in2 = *(@s@@type@ *)ip2;
if (in2 == 0) {
generate_divbyzero_error();
*((@s@@type@ *)op1) = 0;
}
else {
*((@s@@type@ *)op1)= in1 % in2;
}
}
}
/**end repeat1**/
NPY_NO_EXPORT void
U@TYPE@_absolute(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
UNARY_LOOP {
const u@type@ in1 = *(u@type@ *)ip1;
*((u@type@ *)op1) = in1;
}
}
NPY_NO_EXPORT void
@TYPE@_absolute(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
UNARY_LOOP {
const @type@ in1 = *(@type@ *)ip1;
*((@type@ *)op1) = (in1 >= 0) ? in1 : -in1;
}
}
NPY_NO_EXPORT void
U@TYPE@_sign(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
UNARY_LOOP {
const u@type@ in1 = *(u@type@ *)ip1;
*((u@type@ *)op1) = in1 > 0 ? 1 : 0;
}
}
NPY_NO_EXPORT void
@TYPE@_sign(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
UNARY_LOOP {
const @type@ in1 = *(@type@ *)ip1;
*((@type@ *)op1) = in1 > 0 ? 1 : (in1 < 0 ? -1 : 0);
}
}
NPY_NO_EXPORT void
@TYPE@_divide(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
BINARY_LOOP {
const @type@ in1 = *(@type@ *)ip1;
const @type@ in2 = *(@type@ *)ip2;
/*
* FIXME: On x86 at least, dividing the smallest representable integer
* by -1 causes a SIFGPE (division overflow). We treat this case here
* (to avoid a SIGFPE crash at python level), but a good solution would
* be to treat integer division problems separately from FPU exceptions
* (i.e. fixing generate_divbyzero_error()).
*/
if (in2 == 0 || (in1 == NPY_MIN_@TYPE@ && in2 == -1)) {
generate_divbyzero_error();
*((@type@ *)op1) = 0;
}
else if (((in1 > 0) != (in2 > 0)) && (in1 % in2 != 0)) {
*((@type@ *)op1) = in1/in2 - 1;
}
else {
*((@type@ *)op1) = in1/in2;
}
}
}
NPY_NO_EXPORT void
U@TYPE@_divide(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
BINARY_LOOP {
const u@type@ in1 = *(u@type@ *)ip1;
const u@type@ in2 = *(u@type@ *)ip2;
if (in2 == 0) {
generate_divbyzero_error();
*((u@type@ *)op1) = 0;
}
else {
*((u@type@ *)op1)= in1/in2;
}
}
}
NPY_NO_EXPORT void
@TYPE@_remainder(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
BINARY_LOOP {
const @type@ in1 = *(@type@ *)ip1;
const @type@ in2 = *(@type@ *)ip2;
if (in2 == 0) {
generate_divbyzero_error();
*((@type@ *)op1) = 0;
}
else {
/* handle mixed case the way Python does */
const @type@ rem = in1 % in2;
if ((in1 > 0) == (in2 > 0) || rem == 0) {
*((@type@ *)op1) = rem;
}
else {
*((@type@ *)op1) = rem + in2;
}
}
}
}
NPY_NO_EXPORT void
U@TYPE@_remainder(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
BINARY_LOOP {
const u@type@ in1 = *(u@type@ *)ip1;
const u@type@ in2 = *(u@type@ *)ip2;
if (in2 == 0) {
generate_divbyzero_error();
*((@type@ *)op1) = 0;
}
else {
*((@type@ *)op1) = in1 % in2;
}
}
}
/**end repeat**/
/*
*****************************************************************************
** FLOAT LOOPS **
*****************************************************************************
*/
/**begin repeat
* Float types
* #type = float, double, longdouble#
* #TYPE = FLOAT, DOUBLE, LONGDOUBLE#
* #c = f, , l#
* #C = F, , L#
*/
/**begin repeat1
* Arithmetic
* # kind = add, subtract, multiply, divide#
* # OP = +, -, *, /#
*/
NPY_NO_EXPORT void
@TYPE@_@kind@(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
if(IS_BINARY_REDUCE) {
BINARY_REDUCE_LOOP(@type@) {
io1 @OP@= *(@type@ *)ip2;
}
*((@type@ *)iop1) = io1;
}
else {
BINARY_LOOP {
const @type@ in1 = *(@type@ *)ip1;
const @type@ in2 = *(@type@ *)ip2;
*((@type@ *)op1) = in1 @OP@ in2;
}
}
}
/**end repeat1**/
/**end repeat1**/
/**begin repeat1
* #kind = equal, not_equal, less, less_equal, greater, greater_equal,
* logical_and, logical_or#
* #OP = ==, !=, <, <=, >, >=, &&, ||#
*/
NPY_NO_EXPORT void
@TYPE@_@kind@(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
BINARY_LOOP {
const @type@ in1 = *(@type@ *)ip1;
const @type@ in2 = *(@type@ *)ip2;
*((Bool *)op1) = in1 @OP@ in2;
}
}
/**end repeat1**/
NPY_NO_EXPORT void
@TYPE@_logical_xor(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
BINARY_LOOP {
const @type@ in1 = *(@type@ *)ip1;
const @type@ in2 = *(@type@ *)ip2;
*((Bool *)op1)= (in1 && !in2) || (!in1 && in2);
}
}
NPY_NO_EXPORT void
@TYPE@_logical_not(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
UNARY_LOOP {
const @type@ in1 = *(@type@ *)ip1;
*((Bool *)op1) = !in1;
}
}
/**begin repeat1
* #kind = isnan, isinf, isfinite, signbit#
* #func = npy_isnan, npy_isinf, npy_isfinite, npy_signbit#
**/
NPY_NO_EXPORT void
@TYPE@_@kind@(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
UNARY_LOOP {
const @type@ in1 = *(@type@ *)ip1;
*((Bool *)op1) = @func@(in1) != 0;
}
}
/**end repeat1**/
NPY_NO_EXPORT void
@TYPE@_spacing(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
UNARY_LOOP {
const @type@ in1 = *(@type@ *)ip1;
*((@type@ *)op1) = npy_spacing@c@(in1);
}
}
NPY_NO_EXPORT void
@TYPE@_copysign(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
BINARY_LOOP {
const @type@ in1 = *(@type@ *)ip1;
const @type@ in2 = *(@type@ *)ip2;
*((@type@ *)op1)= npy_copysign@c@(in1, in2);
}
}
NPY_NO_EXPORT void
@TYPE@_nextafter(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
BINARY_LOOP {
const @type@ in1 = *(@type@ *)ip1;
const @type@ in2 = *(@type@ *)ip2;
*((@type@ *)op1)= npy_nextafter@c@(in1, in2);
}
}
/**begin repeat1
* #kind = maximum, minimum#
* #OP = >=, <=#
**/
NPY_NO_EXPORT void
@TYPE@_@kind@(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
/* */
BINARY_LOOP {
const @type@ in1 = *(@type@ *)ip1;
const @type@ in2 = *(@type@ *)ip2;
*((@type@ *)op1) = (in1 @OP@ in2 || npy_isnan(in1)) ? in1 : in2;
}
}
/**end repeat1**/
/**begin repeat1
* #kind = fmax, fmin#
* #OP = >=, <=#
**/
NPY_NO_EXPORT void
@TYPE@_@kind@(char **args, intp *dimensions, intp *steps, void *NPY_UNUSED(func))
{
/* */
BINARY_LOOP {
const @type@ in1 = *(@type@ *)ip1;
const @type@ in2 = *(@type@ *)ip2;
*((@type@ *)op1) = (in1 @OP@ in2 || npy_isnan(in2)) ? in1 : in2;