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[liba] add constant INFINITY

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Change-Id: I801a23f5bb84bd86a4e93f6c24815737555ee8ce
This commit is contained in:
Émilie Feral
2016-12-16 14:30:56 +01:00
parent fbadd2ef0e
commit 24c23f761c
4 changed files with 6 additions and 4 deletions
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2
apps/probability/law/exponential_law.cpp
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@@ -69,7 +69,7 @@ float ExponentialLaw::cumulativeDistributiveFunctionAtAbscissa(float x) const {
float ExponentialLaw::cumulativeDistributiveInverseForProbability(float * probability) {
if (*probability >= 1.0f) {
return FLT_MAX+1.0f;
return INFINITY;
}
if (*probability <= 0.0f) {
return 0.0f;

2
apps/probability/law/law.cpp
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@@ -58,7 +58,7 @@ float Law::finiteIntegralBetweenAbscissas(float a, float b) const {
float Law::cumulativeDistributiveInverseForProbability(float * probability) {
if (*probability >= 1.0f) {
return FLT_MAX+1.0f;
return INFINITY;
}
if (!isContinuous()) {
if (*probability <= 0.0f) {

4
apps/probability/law/normal_law.cpp
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@@ -106,10 +106,10 @@ float NormalLaw::standardNormalCumulativeDistributiveFunctionAtAbscissa(float ab
float NormalLaw::standardNormalCumulativeDistributiveInverseForProbability(float probability) {
if (probability >= 1.0f) {
return FLT_MAX+1.0f;
return INFINITY;
}
if (probability <= 0.0f) {
return -FLT_MAX-1.0f;
return -INFINITY;
}
if (probability < 0.5f) {
return -standardNormalCumulativeDistributiveInverseForProbability(1-probability);

2
liba/include/math.h
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@@ -6,6 +6,8 @@
LIBA_BEGIN_DECLS
#define NAN (0.0f/0.0f)
#define HUGE_VALF 1e50f
#define INFINITY HUGE_VALF
#define M_E 2.71828182845904523536028747135266250
#define M_PI 3.14159265358979323846264338327950288