Bill Yi | 4e213d5 | 2015-06-23 13:53:11 -0700 | [diff] [blame] | 1 | /* Verify correctness of the peak routine |
| 2 | * Copyright 2004 Phil Karn, KA9Q |
| 3 | */ |
| 4 | #include <stdio.h> |
| 5 | #include <stdlib.h> |
| 6 | #include <time.h> |
| 7 | |
| 8 | /* These values should trigger leading/trailing array fragment handling */ |
| 9 | #define NSAMP 200002 |
| 10 | #define OFFSET 1 |
| 11 | |
| 12 | int peakval(signed short *,int); |
| 13 | int peakval_port(signed short *,int); |
| 14 | |
| 15 | int main(){ |
| 16 | int i,s; |
| 17 | int result,rresult; |
| 18 | signed short samples[NSAMP]; |
| 19 | |
| 20 | srandom(time(NULL)); |
| 21 | |
| 22 | for(i=0;i<NSAMP;i++){ |
| 23 | do { |
| 24 | s = random() & 0x0fff; |
| 25 | } while(s == 0x8000); |
| 26 | samples[i] = s; |
| 27 | } |
| 28 | samples[5] = 25000; |
| 29 | |
| 30 | rresult = peakval_port(&samples[OFFSET],NSAMP-OFFSET); |
| 31 | result = peakval(&samples[OFFSET],NSAMP-OFFSET); |
| 32 | if(result == rresult){ |
| 33 | printf("OK\n"); |
| 34 | } else { |
| 35 | printf("peak mismatch: %d != %d\n",result,rresult); |
| 36 | } |
| 37 | exit(0); |
| 38 | } |