/* array02 - tests for MathArray from libMathArray Copyright (C) 1995, Adam Fedor */ #ifdef NEXT_FOUNDATION #include #include #else #include #include #endif #include #include #include "MathArray/MathArray.h" #include "MathArray/MaskedException.h" #include "MathArray/MAValue.h" #include "MathArray/MAValueData.h" /* Replace value by the exponent of it's index */ id exp_array(id number, unsigned *index, void *info) { return [MANumber numberWithDouble:index[0]*index[1]]; } int main() { MathArray *array; unsigned index[2]; double *data; NSAutoreleasePool* pool = [NSAutoreleasePool new]; [MaskedException bodysnatchNSException]; [MaskedException setMaskForAllExceptions:AbortException]; /* Matrices */ printf("Create 64X64 matrix...\n"); array = [MathArray maMatrixWithCols:64 rows:64 objCType:NULL]; printf("Perform user function...\n"); [array maPerformFunction:exp_array userInfo:NULL]; printf("Perform fft with origin in center...\n"); index[0] = 32; index[1] = 32; data = [[array mathData] mutableBytes]; [array maShift:index]; [array maFFt:-1]; [array maShift:index]; data = [[array mathData] mutableBytes]; index[0] = 32; index[1] = 32; printf("Value at (32,32) is %g (should be 992.250)\n", [[array arrayValueAtIndex:index] doubleValue]); printf("Total is %g (should be 1024.00)\n", [[array maTotal] doubleValue]); printf("Finished Tests\n"); [pool release]; return 0; }