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emacs/mps/src/testlib.c
Gavin Matthews b1f65db60a Merge mmdevel_gavinm_mvff: change.epcore.anchovy.170476 and change.epcore.anchovy.160106
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1998-09-11 15:28:43 +01:00

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C

/* impl.c.testlib: Test library
*
* $HopeName: MMsrc!testlib.c(trunk.12) $
* Copyright (C) 1995, 1998 Harlequin Group plc. All rights reserved.
*
* .purpose: A library of functions that may be of use to unit tests.
*/
#include "testlib.h"
#include "mps.h"
#include "mpm.h"
#include "mpstd.h"
#ifdef MPS_OS_SU
#include "ossu.h"
#endif
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
/* rnd -- a random number generator
*
* I nabbed it from "ML for the Working Programmer"
* Originally from:
* Stephen K Park & Keith W Miller (1988). Random number generators:
* good one are to find. Communications of the ACM, 31:1192-1201
*/
unsigned long rnd(void)
{
static unsigned long seed = 1;
double s;
s = seed;
s *= 16807.0;
s = fmod(s, 2147483647.0); /* 2^31 - 1 */
seed = (unsigned long)s;
return seed;
}
/* die -- Test a return code, and exit on error */
void die(mps_res_t res, const char *s)
{
if(res != MPS_RES_OK)
{
fflush(stdout); /* synchronize */
fprintf(stderr, "\n%s: %d\n", s, res);
exit(1);
}
}
/* die_expect -- Test a return code, and exit on unexpected result */
void die_expect(mps_res_t res, mps_res_t expected, const char *s)
{
if(res != expected)
{
fflush(stdout); /* synchronize */
fprintf(stderr, "\n%s: %d\n", s, res);
exit(1);
}
}
/* adjust_collection_freq -- multiply all collection frequencies by
* a given factor
*
* If frequencies are adjusted too low, they are corrected so that all are
* non-zero and larger than the ones for lower generations.
*/
#define multFREQ(freq, mult) ((freq) = (unsigned long)((freq) * (mult)))
void adjust_collection_freq(double multiplier)
{
multFREQ(AMCGen0Frequency, multiplier);
if(AMCGen0Frequency == 0)
AMCGen0Frequency = 1;
multFREQ(AMCGen1Frequency, multiplier);
if(AMCGen1Frequency <= AMCGen0Frequency)
AMCGen1Frequency = AMCGen0Frequency + 1;
multFREQ(AMCGen2Frequency, multiplier);
if(AMCGen2Frequency <= AMCGen1Frequency)
AMCGen2Frequency = AMCGen1Frequency + 1;
multFREQ(AMCGen2plusFrequencyMultiplier, multiplier);
if(AMCGen2plusFrequencyMultiplier == 0)
AMCGen2plusFrequencyMultiplier = 1;
multFREQ(AMCGen0RampmodeFrequency, multiplier);
if(AMCGen0RampmodeFrequency == 0)
AMCGen0RampmodeFrequency = 1;
multFREQ(AMCGen1RampmodeFrequency, multiplier);
if(AMCGen1RampmodeFrequency <= AMCGen0RampmodeFrequency)
AMCGen1RampmodeFrequency = AMCGen0RampmodeFrequency + 1;
multFREQ(AMCRampGenFrequency, multiplier);
assert(AMCRampGenFollows == 1);
if(AMCRampGenFrequency <= AMCGen1RampmodeFrequency)
AMCRampGenFrequency = AMCGen1RampmodeFrequency + 1;
multFREQ(AMCGen2RampmodeFrequency, multiplier);
if(AMCGen2RampmodeFrequency <= AMCRampGenFrequency)
AMCGen2RampmodeFrequency = AMCRampGenFrequency * 2;
multFREQ(AMCGen2plusRampmodeFrequencyMultiplier, multiplier);
if(AMCGen2plusRampmodeFrequencyMultiplier == 0)
AMCGen2plusRampmodeFrequencyMultiplier = 1;
}