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Adding Wolfe line search algorithm and full BFGS search direction options.

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Change-Id: I9d3fb117805bdfa5bc33613368f45ae8f10e0d79
This commit is contained in:
Alex Stewart
2013-07-05 20:22:37 +01:00
committed by Keir Mierle
parent 51c772c843
commit 9aa0e3cf72
18 changed files with 1519 additions and 180 deletions
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internal/ceres/types.cc
+4
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@@ -165,6 +165,7 @@ const char* LineSearchDirectionTypeToString(LineSearchDirectionType type) {
CASESTR(STEEPEST_DESCENT);
CASESTR(NONLINEAR_CONJUGATE_GRADIENT);
CASESTR(LBFGS);
CASESTR(BFGS);
default:
return "UNKNOWN";
}
@@ -176,12 +177,14 @@ bool StringToLineSearchDirectionType(string value,
STRENUM(STEEPEST_DESCENT);
STRENUM(NONLINEAR_CONJUGATE_GRADIENT);
STRENUM(LBFGS);
STRENUM(BFGS);
return false;
}
const char* LineSearchTypeToString(LineSearchType type) {
switch (type) {
CASESTR(ARMIJO);
CASESTR(WOLFE);
default:
return "UNKNOWN";
}
@@ -190,6 +193,7 @@ const char* LineSearchTypeToString(LineSearchType type) {
bool StringToLineSearchType(string value, LineSearchType* type) {
UpperCase(&value);
STRENUM(ARMIJO);
STRENUM(WOLFE);
return false;
}