lstm: Fix compilation (undeclared 'isnan')

stweil · stweil · commit beb564df8220 · 2016-11-22T11:31:01.000+01:00
gcc report:

lstm/lstmrecognizer.cpp:608:47: error: 'isnan' was not declared in this scope
     ASSERT_HOST(!isnan(output.f(t)[null_char_]));

Signed-off-by: Stefan Weil &lt;sw@weilnetz.de&gt;
diff --git a/lstm/lstmrecognizer.cpp b/lstm/lstmrecognizer.cpp
@@ -600,7 +600,7 @@ void LSTMRecognizer::LabelsViaThreshold(const NetworkIO& output,
     ++t;
   }
   while (t < width) {
-    ASSERT_HOST(!isnan(output.f(t)[null_char_]));
+    ASSERT_HOST(!std::isnan(output.f(t)[null_char_]));
     int label = output.BestLabel(t, null_char_, null_char_, NULL);
     int char_start = t++;
     while (t < width && !NullIsBest(output, null_thr, null_char_, t) &&

Original file line number	Diff line number	Diff line change
`@@ -600,7 +600,7 @@ void LSTMRecognizer::LabelsViaThreshold(const NetworkIO& output,`
`600`	`600`	`++t;`
`601`	`601`	`}`
`602`	`602`	`while (t < width) {`
`603`		`- ASSERT_HOST(!isnan(output.f(t)[null_char_]));`
	`603`	`+ ASSERT_HOST(!std::isnan(output.f(t)[null_char_]));`
`604`	`604`	`int label = output.BestLabel(t, null_char_, null_char_, NULL);`
`605`	`605`	`int char_start = t++;`
`606`	`606`	`while (t < width && !NullIsBest(output, null_thr, null_char_, t) &&`