mirror of
https://github.com/ceres-solver/ceres-solver.git
synced 2026-08-29 16:40:38 +08:00
Keir Mierle
7492b0d8de
Since Ceres is moving to using GitHub for issues, and the Google Code URL in the current copyright header will soon become invalid, update all the headers. Change-Id: I1fce70375d1bcf098591f07b4d8f01a5c1e0789c
90 lines
3.7 KiB
C++
90 lines
3.7 KiB
C++
// Ceres Solver - A fast non-linear least squares minimizer
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// Copyright 2015 Google Inc. All rights reserved.
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// http://ceres-solver.org/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of Google Inc. nor the names of its contributors may be
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// used to endorse or promote products derived from this software without
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// specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Author: Sanjay Ghemawat
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//
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// Printf variants that place their output in a C++ string.
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//
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// Usage:
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// string result = StringPrintf("%d %s\n", 10, "hello");
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// SStringPrintf(&result, "%d %s\n", 10, "hello");
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// StringAppendF(&result, "%d %s\n", 20, "there");
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#ifndef CERES_INTERNAL_STRINGPRINTF_H_
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#define CERES_INTERNAL_STRINGPRINTF_H_
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#include <cstdarg>
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#include <string>
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#include "ceres/internal/port.h"
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namespace ceres {
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namespace internal {
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#if (defined(__GNUC__) || defined(__clang__))
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// Tell the compiler to do printf format string checking if the compiler
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// supports it; see the 'format' attribute in
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// <http://gcc.gnu.org/onlinedocs/gcc-4.3.0/gcc/Function-Attributes.html>.
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//
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// N.B.: As the GCC manual states, "[s]ince non-static C++ methods
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// have an implicit 'this' argument, the arguments of such methods
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// should be counted from two, not one."
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#define CERES_PRINTF_ATTRIBUTE(string_index, first_to_check) \
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__attribute__((__format__ (__printf__, string_index, first_to_check)))
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#define CERES_SCANF_ATTRIBUTE(string_index, first_to_check) \
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__attribute__((__format__ (__scanf__, string_index, first_to_check)))
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#else
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#define CERES_PRINTF_ATTRIBUTE(string_index, first_to_check)
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#endif
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// Return a C++ string.
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extern std::string StringPrintf(const char* format, ...)
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// Tell the compiler to do printf format string checking.
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CERES_PRINTF_ATTRIBUTE(1, 2);
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// Store result into a supplied string and return it.
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extern const std::string& SStringPrintf(std::string* dst, const char* format, ...)
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// Tell the compiler to do printf format string checking.
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CERES_PRINTF_ATTRIBUTE(2, 3);
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// Append result to a supplied string.
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extern void StringAppendF(std::string* dst, const char* format, ...)
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// Tell the compiler to do printf format string checking.
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CERES_PRINTF_ATTRIBUTE(2, 3);
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// Lower-level routine that takes a va_list and appends to a specified string.
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// All other routines are just convenience wrappers around it.
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extern void StringAppendV(std::string* dst, const char* format, va_list ap);
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#undef CERES_PRINTF_ATTRIBUTE
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} // namespace internal
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} // namespace ceres
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#endif // CERES_INTERNAL_STRINGPRINTF_H_
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