1 files changed, 0 insertions, 108 deletions
diff --git a/src/math.cpp b/src/math.cpp
deleted file mode 100644
index 540ab9eb..00000000
--- a/src/math.cpp
+++ /dev/null
@@ -1,108 +0,0 @@
-/******************************************************************************
- * Project:  PROJ
- * Purpose:  Make C99 math functions available on C89 systems
- * Author:   Kristian Evers
- *
- ******************************************************************************
- * Copyright (c) 2018, Kristian Evers
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *****************************************************************************/
-
-#include "proj_math.h"
-
-/* pj_isnan is used in gie.c which means that is has to */
-/* be exported in the Windows DLL and therefore needs   */
-/* to be declared even though we have isnan() on the    */
-/* system.                                              */
-
-#ifdef HAVE_C99_MATH
-int pj_isnan (double x);
-#endif
-
-/* Returns 0 if not a NaN and non-zero if val is a NaN */
-int pj_isnan (double x) {
-    /* cppcheck-suppress duplicateExpression */
-    return x != x;
-}
-
-#if !(defined(HAVE_C99_MATH) && HAVE_C99_MATH)
-
-/* Compute hypotenuse */
-double pj_hypot(double x, double y) {
-    x = fabs(x);
-    y = fabs(y);
-    if ( x < y ) {
-        x /= y;
-        return ( y * sqrt( 1. + x * x ) );
-    } else {
-        y /= (x != 0.0 ? x : 1.0);
-        return ( x * sqrt( 1. + y * y ) );
-    }
-}
-
-/* Compute log(1+x) accurately */
-double pj_log1p(double x) {
-    volatile double
-      y = 1 + x,
-      z = y - 1;
-    /* Here's the explanation for this magic: y = 1 + z, exactly, and z
-     * approx x, thus log(y)/z (which is nearly constant near z = 0) returns
-     * a good approximation to the true log(1 + x)/x.  The multiplication x *
-     * (log(y)/z) introduces little additional error. */
-    return z == 0 ? x : x * log(y) / z;
-}
-
-/* Compute asinh(x) accurately */
-double pj_asinh(double x) {
-    double y = fabs(x); /* Enforce odd parity */
-    y = log1p(y * (1 + y/(hypot(1.0, y) + 1)));
-    return x > 0 ? y : (x < 0 ? -y : x);
-}
-
-double pj_round(double x) {
-  /* The handling of corner cases is copied from boost; see
-   *   https://github.com/boostorg/math/pull/8
-   * with improvements to return -0.0 when appropriate */
-  double t;
-  if (x == 0)
-    return x;               /* Retain sign of 0 */
-  else if (0 < x && x <  0.5)
-    return +0.0;
-  else if (0 > x && x > -0.5)
-    return -0.0;
-  else if (x > 0) {
-    t = ceil(x);
-    return 0.5 < t - x ? t - 1 : t;
-  } else {                  /* Includes NaN */
-    t = floor(x);
-    return 0.5 < x - t ? t + 1 : t;
-  }
-}
-
-long pj_lround(double x) {
-  /* Default value for overflow + NaN + (x == LONG_MIN) */
-  long r = LONG_MIN;
-  x = round(x);
-  if (fabs(x) < -(double)LONG_MIN) /* Assume (double)LONG_MIN is exact */
-    r = (int)x;
-  return r;
-}
-
-#endif /* !(defined(HAVE_C99_MATH) && HAVE_C99_MATH) */