CofeehousePy/deps/numpy/tools/swig/test/Vector.cxx

101 lines
3.6 KiB
C++

#include <stdlib.h>
#include <math.h>
#include <iostream>
#include "Vector.h"
// The following macro defines a family of functions that work with 1D
// arrays with the forms
//
// TYPE SNAMELength( TYPE vector[3]);
// TYPE SNAMEProd( TYPE * series, int size);
// TYPE SNAMESum( int size, TYPE * series);
// void SNAMEReverse(TYPE array[3]);
// void SNAMEOnes( TYPE * array, int size);
// void SNAMEZeros( int size, TYPE * array);
// void SNAMEEOSplit(TYPE vector[3], TYPE even[3], odd[3]);
// void SNAMETwos( TYPE * twoVec, int size);
// void SNAMEThrees( int size, TYPE * threeVec);
//
// for any specified type TYPE (for example: short, unsigned int, long
// long, etc.) with given short name SNAME (for example: short, uint,
// longLong, etc.). The macro is then expanded for the given
// TYPE/SNAME pairs. The resulting functions are for testing numpy
// interfaces, respectively, for:
//
// * 1D input arrays, hard-coded length
// * 1D input arrays
// * 1D input arrays, data last
// * 1D in-place arrays, hard-coded length
// * 1D in-place arrays
// * 1D in-place arrays, data last
// * 1D argout arrays, hard-coded length
// * 1D argout arrays
// * 1D argout arrays, data last
//
#define TEST_FUNCS(TYPE, SNAME) \
\
TYPE SNAME ## Length(TYPE vector[3]) { \
double result = 0; \
for (int i=0; i<3; ++i) result += vector[i]*vector[i]; \
return (TYPE)sqrt(result); \
} \
\
TYPE SNAME ## Prod(TYPE * series, int size) { \
TYPE result = 1; \
for (int i=0; i<size; ++i) result *= series[i]; \
return result; \
} \
\
TYPE SNAME ## Sum(int size, TYPE * series) { \
TYPE result = 0; \
for (int i=0; i<size; ++i) result += series[i]; \
return result; \
} \
\
void SNAME ## Reverse(TYPE array[3]) { \
TYPE temp = array[0]; \
array[0] = array[2]; \
array[2] = temp; \
} \
\
void SNAME ## Ones(TYPE * array, int size) { \
for (int i=0; i<size; ++i) array[i] = 1; \
} \
\
void SNAME ## Zeros(int size, TYPE * array) { \
for (int i=0; i<size; ++i) array[i] = 0; \
} \
\
void SNAME ## EOSplit(TYPE vector[3], TYPE even[3], TYPE odd[3]) { \
for (int i=0; i<3; ++i) { \
if (i % 2 == 0) { \
even[i] = vector[i]; \
odd[ i] = 0; \
} else { \
even[i] = 0; \
odd[ i] = vector[i]; \
} \
} \
} \
\
void SNAME ## Twos(TYPE* twoVec, int size) { \
for (int i=0; i<size; ++i) twoVec[i] = 2; \
} \
\
void SNAME ## Threes(int size, TYPE* threeVec) { \
for (int i=0; i<size; ++i) threeVec[i] = 3; \
}
TEST_FUNCS(signed char , schar )
TEST_FUNCS(unsigned char , uchar )
TEST_FUNCS(short , short )
TEST_FUNCS(unsigned short , ushort )
TEST_FUNCS(int , int )
TEST_FUNCS(unsigned int , uint )
TEST_FUNCS(long , long )
TEST_FUNCS(unsigned long , ulong )
TEST_FUNCS(long long , longLong )
TEST_FUNCS(unsigned long long, ulongLong)
TEST_FUNCS(float , float )
TEST_FUNCS(double , double )