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rigol-ds: fix search for the closest vdiv. 

We try to find the smallest diff by comparing each diff with
the previously known smallest diff, so initially, this smallest diff
should be INFINITY so that we are sure to find a smaller one.

This fixes the following exception:
sr: rigol-ds: Negative vdiv index: -1.
Caught exception: not applicable
This commit is contained in:
Aurelien Jacobs 2015-02-14 23:48:36 +01:00 committed by Uwe Hermann
parent f44f7e61a3
commit c33ff3771b
1 changed files with 1 additions and 1 deletions
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2
src/hardware/rigol-ds/api.c
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@ -502,7 +502,7 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
const char *tmp_str; const char *tmp_str;
uint64_t samplerate; uint64_t samplerate;
int analog_channel = -1; int analog_channel = -1;
float smallest_diff = 0.0000000001; float smallest_diff = INFINITY;
int idx = -1; int idx = -1;
unsigned i; unsigned i;