From 225629954ac6951fe81de77c07644aea0926f74b Mon Sep 17 00:00:00 2001
From: Amir MOHAMMADI <amir.mohammadi@idiap.ch>
Date: Fri, 19 Jan 2018 16:35:50 +0100
Subject: [PATCH] use std::nextafter instead of nexttoward
---
bob/measure/cpp/error.cpp | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/bob/measure/cpp/error.cpp b/bob/measure/cpp/error.cpp
index a242e1a..a67f28f 100644
--- a/bob/measure/cpp/error.cpp
+++ b/bob/measure/cpp/error.cpp
@@ -126,7 +126,7 @@ double bob::measure::farThreshold(const blitz::Array<double, 1> &negatives,
double epsilon = std::numeric_limits<double>::epsilon();
// handle special case of far == 1 without any iterating
if (far_value >= 1 - epsilon)
- return nexttoward(scores(0), scores(0)-1);
+ return std::nextafter(scores(0), scores(0)-1);
// Reverse negatives so the end is the start. This way the code below will be
// very similar to the implementation in the frrThreshold function. The
@@ -139,7 +139,7 @@ double bob::measure::farThreshold(const blitz::Array<double, 1> &negatives,
// since the comparison is `if score >= threshold then accept as genuine`, we
// can choose the largest score value + eps as the threshold so that we can
// get for 0% FAR.
- double valid_threshold = nexttoward(scores(current_position), scores(current_position)+1);
+ double valid_threshold = std::nextafter(scores(current_position), scores(current_position)+1);
double current_threshold;
double future_far;
while (current_position < total_count) {
@@ -181,7 +181,7 @@ double bob::measure::frrThreshold(const blitz::Array<double, 1> &negatives,
double epsilon = std::numeric_limits<double>::epsilon();
// handle special case of frr == 1 without any iterating
if (frr_value >= 1 - epsilon)
- return nexttoward(scores(scores.extent(0)-1), scores(scores.extent(0)-1)+1);
+ return std::nextafter(scores(scores.extent(0)-1), scores(scores.extent(0)-1)+1);
// Move towards the end of array changing the threshold until we pass the
// desired FRR value. Starting with a threshold that corresponds to FRR == 0.
--
GitLab