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intmatcher: Avoid conversion from double to float and vice versa

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This fixes some clang warnings:

    src/classify/intmatcher.cpp:48:49: warning:
      implicit conversion loses floating-point precision:
      'double' to 'const float' [-Wimplicit-float-conversion]
    src/classify/intmatcher.cpp:405:34: warning:
      implicit conversion loses floating-point precision:
      'double' to 'float' [-Wimplicit-float-conversion]
    src/classify/intmatcher.cpp:405:64: warning:
      implicit conversion increases floating-point precision:
      'float' to 'double' [-Wdouble-promotion]

Signed-off-by: Stefan Weil <sw@weilnetz.de>
This commit is contained in:
Stefan Weil 2019-09-30 18:05:26 +02:00
parent 6d259ebe44
commit 7ec5f0ca02
1 changed files with 3 additions and 3 deletions
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6
src/classify/intmatcher.cpp
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@ -44,8 +44,8 @@ using tesseract::UnicharRating;
// Parameters of the sigmoid used to convert similarity to evidence in the
// similarity_evidence_table_ that is used to convert distance metric to an
// 8 bit evidence value in the secondary matcher. (See IntMatcher::Init).
const float IntegerMatcher::kSEExponentialMultiplier = 0.0;
const float IntegerMatcher::kSimilarityCenter = 0.0075;
const float IntegerMatcher::kSEExponentialMultiplier = 0.0f;
const float IntegerMatcher::kSimilarityCenter = 0.0075f;
static const uint8_t offset_table[] = {
255, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, 4, 0, 1, 0, 2, 0, 1, 0, 3,
@ -402,7 +402,7 @@ class ClassPruner {
results->init_to_size(num_classes_, empty);
for (int c = 0; c < num_classes_; ++c) {
(*results)[c].Class = sort_index_[num_classes_ - c];
(*results)[c].Rating = 1.0 - sort_key_[num_classes_ - c] /
(*results)[c].Rating = 1.0f - sort_key_[num_classes_ - c] /
(static_cast<float>(CLASS_PRUNER_CLASS_MASK) * num_features_);
}
return num_classes_;